Late 2012 iMac 27" reboots while under load - please help!

It seems that every time I put my iMac under load, usually GPU load, such as in playing games or watching movies - I get a kernel panic and the system reboots.
I need help deciphering the dump.  The iMac has been doing this for the last few months and it seems to be getting worse.  Here are two kernel panics from today.  I was watching an mkv and copying (via terminal) a lot of files.
nonymous UUID:       A35A30DB-8357-6083-0F47-759DB4F1FD92
Sun Feb 15 23:25:34 2015
*** Panic Report ***
panic(cpu 2 caller 0xffffff802761a46e): Kernel trap at 0xffffff80275ce257, type 14=page fault, registers:
CR0: 0x0000000080010033, CR2: 0xffffff8fcbbcca2c, CR3: 0x0000000005efd03b, CR4: 0x00000000001626e0
RAX: 0x00000000ffffff83, RBX: 0x0000000000000004, RCX: 0x00000002fffffe89, RDX: 0xffffff83cbbcd000
RSP: 0xffffff83cc3838d0, RBP: 0xffffff83cc383910, RSI: 0xffffff8027cddd48, RDI: 0xffffff8027cddd48
R8:  0xffffff83cc383af4, R9:  0xffffff83cc383af8, R10: 0xffffff7fa962ec88, R11: 0x0000000000000000
R12: 0xffffff80764d3d20, R13: 0x0000000000000000, R14: 0xffffff8027cddd48, R15: 0xffffff8027cde6c0
RFL: 0x0000000000010282, RIP: 0xffffff80275ce257, CS:  0x0000000000000008, SS:  0x0000000000000010
Fault CR2: 0xffffff8fcbbcca2c, Error code: 0x0000000000000000, Fault CPU: 0x2
Backtrace (CPU 2), Frame : Return Address
0xffffff83cc383580 : 0xffffff802752fe41
0xffffff83cc383600 : 0xffffff802761a46e
0xffffff83cc3837c0 : 0xffffff8027636683
0xffffff83cc3837e0 : 0xffffff80275ce257
0xffffff83cc383910 : 0xffffff80275bd25f
0xffffff83cc383960 : 0xffffff80275e0966
0xffffff83cc383990 : 0xffffff8027ae6507
0xffffff83cc3839f0 : 0xffffff8027ae622e
0xffffff83cc383a30 : 0xffffff7fa96449ea
0xffffff83cc383a60 : 0xffffff7fa9626433
0xffffff83cc383a90 : 0xffffff7fa962ee57
0xffffff83cc383ad0 : 0xffffff8027aff00c
0xffffff83cc383b60 : 0xffffff8027b01163
0xffffff83cc383bc0 : 0xffffff8027afe9c3
0xffffff83cc383d00 : 0xffffff80275e4a87
0xffffff83cc383e10 : 0xffffff8027533f8c
0xffffff83cc383e40 : 0xffffff8027518a93
0xffffff83cc383e90 : 0xffffff80275293bd
0xffffff83cc383f10 : 0xffffff80276059fa
0xffffff83cc383fb0 : 0xffffff8027636ea6
      Kernel Extensions in backtrace:
         com.apple.iokit.IOAcceleratorFamily2(156.6)[3CD19A58-C154-33E1-8466-30BF06B8F39 B]@0xffffff7fa960e000->0xffffff7fa967afff
            dependency: com.apple.iokit.IOPCIFamily(2.9)[56AD16B5-4F29-3F74-93E7-D492B3966DE2]@0xffffff 7fa7d24000
            dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[619F6C9F-0461-3BA1-A75F-53BB0F87ACD3]@0 xffffff7fa7fec000
BSD process name corresponding to current thread: WindowServer
Mac OS version:
14C109
Kernel version:
Darwin Kernel Version 14.1.0: Mon Dec 22 23:10:38 PST 2014; root:xnu-2782.10.72~2/RELEASE_X86_64
Kernel UUID: DCF5C2D5-16AE-37F5-B2BE-ED127048DFF5
Kernel slide:     0x0000000027200000
Kernel text base: 0xffffff8027400000
__HIB  text base: 0xffffff8027300000
System model name: iMac13,2 (Mac-FC02E91DDD3FA6A4)
System uptime in nanoseconds: 23275175264019
last loaded kext at 17572790019336: com.apple.driver.AppleUSBCDC 4.2.2b5 (addr 0xffffff7faa232000, size 20480)
last unloaded kext at 17781435420147: com.apple.driver.AppleUSBCDC 4.2.2b5 (addr 0xffffff7faa232000, size 16384)
loaded kexts:
com.apple.filesystems.exfat 1.4
com.apple.iokit.IOUSBAttachedSCSI 1.1.0
com.apple.filesystems.afpfs 11.0
com.apple.nke.asp-tcp 8.0.0
com.apple.driver.AudioAUUC 1.70
com.apple.driver.AppleHWSensor 1.9.5d0
com.apple.driver.AGPM 100.15.5
com.apple.driver.ApplePlatformEnabler 2.1.7d1
com.apple.driver.X86PlatformShim 1.0.0
com.apple.filesystems.autofs 3.0
com.apple.driver.AppleBluetoothMultitouch 85.3
com.apple.iokit.IOBluetoothSerialManager 4.3.2f6
com.apple.driver.AppleMikeyHIDDriver 124
com.apple.driver.AppleOSXWatchdog 1
com.apple.driver.AppleMikeyDriver 269.25
com.apple.driver.AppleHDA 269.25
com.apple.driver.AppleUpstreamUserClient 3.6.1
com.apple.iokit.IOUserEthernet 1.0.1
com.apple.GeForce 10.0.2
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AppleIntelHD4000Graphics 10.0.2
com.apple.driver.AppleHWAccess 1
com.apple.driver.AppleBacklight 170.5.0
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.3.2f6
com.apple.driver.AppleSMCLMU 2.0.7d0
com.apple.driver.AppleHV 1
com.apple.driver.AppleMCCSControl 1.2.11
com.apple.driver.AppleLPC 1.7.3
com.apple.driver.AppleIntelFramebufferCapri 10.0.2
com.apple.driver.AppleThunderboltIP 2.0.2
com.apple.iokit.SCSITaskUserClient 3.7.3
com.apple.driver.AppleUSBODD 3.5.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 35
com.apple.driver.XsanFilter 404
com.apple.iokit.IOAHCIBlockStorage 2.7.0
com.apple.driver.AppleSDXC 1.6.5
com.apple.driver.AppleUSBHub 705.4.2
com.apple.iokit.AppleBCM5701Ethernet 10.1.3
com.apple.driver.AirPort.Brcm4360 910.26.12
com.apple.driver.AppleAHCIPort 3.1.0
com.apple.driver.AppleUSBEHCI 705.4.14
com.apple.driver.AppleUSBXHCI 710.4.11
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleACPIButtons 3.1
com.apple.driver.AppleHPET 1.8
com.apple.driver.AppleSMBIOS 2.1
com.apple.driver.AppleACPIEC 3.1
com.apple.driver.AppleAPIC 1.7
com.apple.driver.AppleIntelCPUPowerManagementClient 218.0.0
com.apple.nke.applicationfirewall 161
com.apple.security.quarantine 3
com.apple.security.TMSafetyNet 8
com.apple.driver.AppleIntelCPUPowerManagement 218.0.0
com.apple.iokit.IOSCSIBlockCommandsDevice 3.7.3
com.apple.security.SecureRemotePassword 1.0
com.apple.driver.AppleBluetoothHIDKeyboard 176.2
com.apple.driver.AppleHIDKeyboard 176.2
com.apple.kext.triggers 1.0
com.apple.driver.IOBluetoothHIDDriver 4.3.2f6
com.apple.driver.AppleMultitouchDriver 262.33.1
com.apple.iokit.IOSerialFamily 11
com.apple.driver.DspFuncLib 269.25
com.apple.kext.OSvKernDSPLib 1.15
com.apple.nvidia.driver.NVDAGK100Hal 10.0.2
com.apple.nvidia.driver.NVDAResman 10.0.2
com.apple.iokit.IOSurface 97
com.apple.driver.AppleBacklightExpert 1.1.0
com.apple.iokit.IONDRVSupport 2.4.1
com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.3.2f6
com.apple.iokit.IOBluetoothFamily 4.3.2f6
com.apple.driver.X86PlatformPlugin 1.0.0
com.apple.driver.AppleSMBusPCI 1.0.12d1
com.apple.driver.AppleSMBusController 1.0.13d1
com.apple.iokit.IOUSBUserClient 705.4.0
com.apple.driver.IOPlatformPluginFamily 5.8.1d38
com.apple.driver.AppleSMC 3.1.9
com.apple.iokit.IOAcceleratorFamily2 156.6
com.apple.AppleGraphicsDeviceControl 3.8.6
com.apple.driver.AppleHDAController 269.25
com.apple.iokit.IOGraphicsFamily 2.4.1
com.apple.iokit.IOHDAFamily 269.25
com.apple.iokit.IOAudioFamily 203.3
com.apple.vecLib.kext 1.2.0
com.apple.driver.AppleThunderboltEDMSink 4.0.2
com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.7.3
com.apple.iokit.IOBDStorageFamily 1.7
com.apple.iokit.IODVDStorageFamily 1.7.1
com.apple.iokit.IOCDStorageFamily 1.7.1
com.apple.iokit.IOUSBMassStorageClass 3.7.1
com.apple.iokit.IOSCSIArchitectureModelFamily 3.7.3
com.apple.iokit.IOUSBHIDDriver 705.4.0
com.apple.driver.AppleUSBMergeNub 705.4.0
com.apple.driver.AppleUSBComposite 705.4.9
com.apple.driver.CoreStorage 471.10.6
com.apple.driver.AppleThunderboltDPInAdapter 4.0.6
com.apple.driver.AppleThunderboltDPOutAdapter 4.0.6
com.apple.driver.AppleThunderboltDPAdapterFamily 4.0.6
com.apple.driver.AppleThunderboltPCIDownAdapter 2.0.2
com.apple.driver.AppleThunderboltNHI 3.1.7
com.apple.iokit.IOThunderboltFamily 4.2.1
com.apple.iokit.IOEthernetAVBController 1.0.3b3
com.apple.iokit.IO80211Family 710.55
com.apple.driver.mDNSOffloadUserClient 1.0.1b8
com.apple.iokit.IONetworkingFamily 3.2
com.apple.iokit.IOAHCIFamily 2.7.5
com.apple.iokit.IOUSBFamily 710.4.14
com.apple.driver.AppleEFINVRAM 2.0
com.apple.driver.AppleEFIRuntime 2.0
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 300.0
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.AppleKeyStore 2
com.apple.driver.AppleMobileFileIntegrity 1.0.5
com.apple.driver.AppleCredentialManager 1.0
com.apple.driver.DiskImages 396
com.apple.iokit.IOStorageFamily 2.0
com.apple.iokit.IOReportFamily 31
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleACPIPlatform 3.1
com.apple.iokit.IOPCIFamily 2.9
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.corecrypto 1.0
com.apple.kec.Libm 1
com.apple.kec.pthread 1
Model: iMac13,2, BootROM IM131.010A.B05, 4 processors, Intel Core i7, 3.4 GHz, 32 GB, SMC 2.11f16
Graphics: NVIDIA GeForce GTX 680MX, NVIDIA GeForce GTX 680MX, PCIe, 2048 MB
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 0/DIMM1, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 1/DIMM1, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xF4), Broadcom BCM43xx 1.0 (7.15.159.13.12)
Bluetooth: Version 4.3.2f6 15235, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: APPLE HDD ST3000DM001, 3 TB
USB Device: Backup+  Desk
USB Device: WingMan Attack 2
USB Device: Hub
USB Device: Apple USB SuperDrive
USB Device: FaceTime HD Camera (Built-in)
USB Device: Hub
USB Device: Hub
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
Thunderbolt Bus: iMac, Apple Inc., 23.4
and here is the second one:
nonymous UUID:       A35A30DB-8357-6083-0F47-759DB4F1FD92
Sun Feb 15 23:54:53 2015
*** Panic Report ***
panic(cpu 2 caller 0xffffff8007c1a46e): Kernel trap at 0xffffff8007c0def7, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x0000000000006b08, CR3: 0x0000000008b2b001, CR4: 0x00000000001626e0
RAX: 0xffffff804d2110d8, RBX: 0x0000000000000000, RCX: 0x0000000000000000, RDX: 0x0000000000006b00
RSP: 0xffffff83abd93cc0, RBP: 0xffffff83abd93cc0, RSI: 0x0000000000000004, RDI: 0x0000000000006b00
R8:  0xffffff7f8a79e69a, R9:  0x0000000000000000, R10: 0x0000000000005800, R11: 0x00000000000006a0
R12: 0x0000000000006b00, R13: 0x0000000000000004, R14: 0xffffff804d21b5a0, R15: 0x0000000000000000
RFL: 0x0000000000010206, RIP: 0xffffff8007c0def7, CS:  0x0000000000000008, SS:  0x0000000000000010
Fault CR2: 0x0000000000006b08, Error code: 0x0000000000000000, Fault CPU: 0x2
mp = 0xffffff80426ce400, phys = 0x8e6e400, prev (0x7: 0x7913000-0x7a00000)
vp = 0xffffff80426ce400, phys = 0x80fefb5a0, prev (0xb: 0xffe70000-0xffea0000)
0xffffff80426cd000: nQAAAKMAAACrAAAAhJCi0oKDGj94AuoAgqqgoAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgICAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEICAGh8KCy4ACkAGAQIAIRMaD4aTotKCgxo /eALqAIKqpCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAACAoKBgq6oqKgAAAAAAAAAAAAAAAADabEKA////WN8mCKDcJQiA////oIUCQlBKA0LA1ft BUNBsQhiQkAQAAD2AACAAAAAAIAAxZtAVKW/WCgj3+QoLAAABEQAAAGhmcwAvVm9sdW1lcy9UaW1lIE1 hY2hpbmUgQmFja3VwL2Rldi9kaXNrNHMyCLCmUYD///8AACAAAAIAAAAAIAADAAAAABAAAFwEAABqMwk AcGEKAAAAACFw2PtBBAAAAADyUkhgyQxCXFiPAgDQbEIA5GxCgP///zDhgIoIDWhIgP///xB+DEIwPAd CkHgMQlDabEIAgBAEAAAPYAAQAAAAAAgAbBSiK1P+rBUZFvUVAwAALxcAAABhZnBmL1ZvbHVtZXMvVGl tZSBDYXBzdWxlIEhELy9MZWUlMjBIYXJyaXNAQWlycG9ydCUyQ2Fwc3VsZS5fYWZwb3ZlcnRjcC5fdGN wLmxvY2FsLi9UaW1lJTIwQ2Fwc3VsZSUyMEhEAODu7h4OAgwC4OAADQDuDuDu3u6ungoADnD8DzhgvDg HA4AQAP8DDgFjGCAAUfz/N2CqMQcwAAAA
0xffffff80426ce000: lQAAAJ0AAACnAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIC Amp+KyygACMAIAAgEIRMaDYqTotOGjyqvuAKrAIJqJCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAICAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAgBofBgsuAAZABhECACETGg2GkqL jgoMZPwACAgACKhgAAAAAAAAAAAAAAAAAAAAAAAiwC0KD////AAAQAAABAAAAABAA/w8AAAEAAADLK/f //////yr0//9hBAAAdSoKAAAAACE/AAAACN7LQsD8UkhweAxCToeFAwDabEIA7mxCvdEAABDweYqI5cx MgP///2CJ0Uyg9WxGwLUhTUBd0kxg5GxCgP///xgQIAAAABAAEAAAAAAABAA4EiMBW4O+AN2OZAA4EiM BW4O+AAcAAAEWAAAAZXhmYS9Wb2x1bWVzL0JsYWNrYm8vZGV2L2Rpc2syczIIamNIgP///wAAEACAAAA AAAABAAAQAAC0BgAA8bQHAAAAACFAW9BDAgAAAEAYbUUwXNJMMqA3MADkbEKA////APhsQtBB54l//// /IN4lCID///9wCOREgAfkRFDubEIAAFAEAAAIAAAEAAAAAgAAAgAALRUAAABhdXRvZnMAAC9ob20A4OD gDg7u7u7+7u4ADJAA4OANAw4O7g7u7j7tAAAAACAEADibA24AAvz/N5DSgQcDgBAAbv8POAQEsDmAGyA AAfwPOmCWAQAA
0xffffff80426cf000: YgAAAGYAAABrAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAICA gAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAACAgB4fCQcgAACACAAAACETGg2Gk6LjgYMZPwACAgACKggAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAgEAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAG1hcCBhdXRvX2hvbYjQ4kSA////AAACAP8PAAAAAAA h/////z8AAAAAZNFEgAfkRCUzkB4A7mxCAAJtQtBB54l/////IN4lCID///9AC+REUPhsQggAUAQAAAg AAAQAAAACAAABAAAtFQAAAGF1dG9mcwAAL25ldC1ob3PAzAAA4A4O7i7gLu7eAg4GZYAAICAEsDmAGyA AAfwPFoCBQTcA
Backtrace (CPU 2), Frame : Return Address
0xffffff83abd93970 : 0xffffff8007b2fe41
0xffffff83abd939f0 : 0xffffff8007c1a46e
0xffffff83abd93bb0 : 0xffffff8007c36683
0xffffff83abd93bd0 : 0xffffff8007c0def7
0xffffff83abd93cc0 : 0xffffff8007d34c26
0xffffff83abd93d30 : 0xffffff7f8a7996a0
0xffffff83abd93d80 : 0xffffff7f8a793bb8
0xffffff83abd93db0 : 0xffffff8007d3fffb
0xffffff83abd93e60 : 0xffffff7f8a793cd3
0xffffff83abd93eb0 : 0xffffff8007d59c2b
0xffffff83abd93ed0 : 0xffffff8007d442b4
0xffffff83abd93f40 : 0xffffff8007d4e4b7
0xffffff83abd93f50 : 0xffffff800804b386
0xffffff83abd93fb0 : 0xffffff8007c36e86
      Kernel Extensions in backtrace:
         com.apple.filesystems.exfat(1.4)[6B0642D6-786C-323D-A762-9FFE6BFABFAF]@0xffffff 7f8a792000->0xffffff7f8a79ffff
BSD process name corresponding to current thread: launchd
Mac OS version:
14C109
Kernel version:
Darwin Kernel Version 14.1.0: Mon Dec 22 23:10:38 PST 2014; root:xnu-2782.10.72~2/RELEASE_X86_64
Kernel UUID: DCF5C2D5-16AE-37F5-B2BE-ED127048DFF5
Kernel slide:     0x0000000007800000
Kernel text base: 0xffffff8007a00000
__HIB  text base: 0xffffff8007900000
System model name: iMac13,2 (Mac-FC02E91DDD3FA6A4)
System uptime in nanoseconds: 1716515364247
last loaded kext at 977341266443: com.apple.filesystems.afpfs 11.0 (addr 0xffffff7f8a7bf000, size 364544)
last unloaded kext at 203617449384: com.apple.driver.AirPort.Brcm4331 800.20.24 (addr 0xffffff7f899e0000, size 2043904)
loaded kexts:
com.apple.filesystems.afpfs 11.0
com.apple.nke.asp-tcp 8.0.0
com.apple.filesystems.exfat 1.4
com.apple.driver.AudioAUUC 1.70
com.apple.driver.AppleBluetoothMultitouch 85.3
com.apple.driver.AppleHWSensor 1.9.5d0
com.apple.driver.ApplePlatformEnabler 2.1.7d1
com.apple.driver.AGPM 100.15.5
com.apple.driver.X86PlatformShim 1.0.0
com.apple.filesystems.autofs 3.0
com.apple.iokit.IOBluetoothSerialManager 4.3.2f6
com.apple.driver.AppleMikeyHIDDriver 124
com.apple.driver.AppleOSXWatchdog 1
com.apple.driver.AppleMikeyDriver 269.25
com.apple.driver.AppleHDA 269.25
com.apple.driver.AppleUpstreamUserClient 3.6.1
com.apple.iokit.IOUserEthernet 1.0.1
com.apple.GeForce 10.0.2
com.apple.driver.AppleIntelHD4000Graphics 10.0.2
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.3.2f6
com.apple.driver.AppleHWAccess 1
com.apple.driver.AppleSMCLMU 2.0.7d0
com.apple.driver.AppleBacklight 170.5.0
com.apple.driver.AppleMCCSControl 1.2.11
com.apple.driver.AppleIntelFramebufferCapri 10.0.2
com.apple.driver.AppleHV 1
com.apple.driver.AppleLPC 1.7.3
com.apple.driver.AppleThunderboltIP 2.0.2
com.apple.iokit.SCSITaskUserClient 3.7.3
com.apple.iokit.IOUSBAttachedSCSI 1.1.0
com.apple.driver.AppleUSBODD 3.5.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 35
com.apple.driver.XsanFilter 404
com.apple.iokit.IOAHCIBlockStorage 2.7.0
com.apple.driver.AppleSDXC 1.6.5
com.apple.driver.AppleUSBHub 705.4.2
com.apple.iokit.AppleBCM5701Ethernet 10.1.3
com.apple.driver.AirPort.Brcm4360 910.26.12
com.apple.driver.AppleAHCIPort 3.1.0
com.apple.driver.AppleUSBEHCI 705.4.14
com.apple.driver.AppleUSBXHCI 710.4.11
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleACPIButtons 3.1
com.apple.driver.AppleHPET 1.8
com.apple.driver.AppleSMBIOS 2.1
com.apple.driver.AppleACPIEC 3.1
com.apple.driver.AppleAPIC 1.7
com.apple.driver.AppleIntelCPUPowerManagementClient 218.0.0
com.apple.nke.applicationfirewall 161
com.apple.security.quarantine 3
com.apple.security.TMSafetyNet 8
com.apple.driver.AppleIntelCPUPowerManagement 218.0.0
com.apple.security.SecureRemotePassword 1.0
com.apple.driver.AppleBluetoothHIDKeyboard 176.2
com.apple.driver.AppleHIDKeyboard 176.2
com.apple.driver.IOBluetoothHIDDriver 4.3.2f6
com.apple.driver.AppleMultitouchDriver 262.33.1
com.apple.kext.triggers 1.0
com.apple.iokit.IOSerialFamily 11
com.apple.driver.DspFuncLib 269.25
com.apple.kext.OSvKernDSPLib 1.15
com.apple.nvidia.driver.NVDAGK100Hal 10.0.2
com.apple.nvidia.driver.NVDAResman 10.0.2
com.apple.iokit.IOSurface 97
com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.3.2f6
com.apple.iokit.IOBluetoothFamily 4.3.2f6
com.apple.driver.AppleHDAController 269.25
com.apple.iokit.IOHDAFamily 269.25
com.apple.iokit.IOAudioFamily 203.3
com.apple.vecLib.kext 1.2.0
com.apple.driver.AppleSMBusPCI 1.0.12d1
com.apple.iokit.IOUSBUserClient 705.4.0
com.apple.driver.AppleBacklightExpert 1.1.0
com.apple.iokit.IONDRVSupport 2.4.1
com.apple.driver.AppleSMBusController 1.0.13d1
com.apple.iokit.IOAcceleratorFamily2 156.6
com.apple.AppleGraphicsDeviceControl 3.8.6
com.apple.iokit.IOGraphicsFamily 2.4.1
com.apple.driver.X86PlatformPlugin 1.0.0
com.apple.driver.AppleSMC 3.1.9
com.apple.driver.IOPlatformPluginFamily 5.8.1d38
com.apple.driver.AppleThunderboltEDMSink 4.0.2
com.apple.iokit.IOSCSIBlockCommandsDevice 3.7.3
com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.7.3
com.apple.iokit.IOBDStorageFamily 1.7
com.apple.iokit.IODVDStorageFamily 1.7.1
com.apple.iokit.IOCDStorageFamily 1.7.1
com.apple.iokit.IOUSBMassStorageClass 3.7.1
com.apple.iokit.IOSCSIArchitectureModelFamily 3.7.3
com.apple.iokit.IOUSBHIDDriver 705.4.0
com.apple.driver.AppleUSBMergeNub 705.4.0
com.apple.driver.AppleUSBComposite 705.4.9
com.apple.driver.CoreStorage 471.10.6
com.apple.driver.AppleThunderboltDPInAdapter 4.0.6
com.apple.driver.AppleThunderboltDPOutAdapter 4.0.6
com.apple.driver.AppleThunderboltDPAdapterFamily 4.0.6
com.apple.driver.AppleThunderboltPCIDownAdapter 2.0.2
com.apple.driver.AppleThunderboltNHI 3.1.7
com.apple.iokit.IOThunderboltFamily 4.2.1
com.apple.iokit.IOEthernetAVBController 1.0.3b3
com.apple.iokit.IO80211Family 710.55
com.apple.driver.mDNSOffloadUserClient 1.0.1b8
com.apple.iokit.IONetworkingFamily 3.2
com.apple.iokit.IOAHCIFamily 2.7.5
com.apple.iokit.IOUSBFamily 710.4.14
com.apple.driver.AppleEFINVRAM 2.0
com.apple.driver.AppleEFIRuntime 2.0
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 300.0
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.AppleKeyStore 2
com.apple.driver.AppleMobileFileIntegrity 1.0.5
com.apple.driver.AppleCredentialManager 1.0
com.apple.driver.DiskImages 396
com.apple.iokit.IOStorageFamily 2.0
com.apple.iokit.IOReportFamily 31
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleACPIPlatform 3.1
com.apple.iokit.IOPCIFamily 2.9
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.corecrypto 1.0
com.apple.kec.Libm 1
com.apple.kec.pthread 1
Model: iMac13,2, BootROM IM131.010A.B05, 4 processors, Intel Core i7, 3.4 GHz, 32 GB, SMC 2.11f16
Graphics: NVIDIA GeForce GTX 680MX, NVIDIA GeForce GTX 680MX, PCIe, 2048 MB
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 0/DIMM1, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 1/DIMM1, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xF4), Broadcom BCM43xx 1.0 (7.15.159.13.12)
Bluetooth: Version 4.3.2f6 15235, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: APPLE HDD ST3000DM001, 3 TB
USB Device: Backup+  Desk
USB Device: Hub
USB Device: Apple USB SuperDrive
USB Device: FaceTime HD Camera (Built-in)
USB Device: WingMan Attack 2
USB Device: Hub
USB Device: Hub
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
Thunderbolt Bus: iMac, Apple Inc., 23.4

I should also mention that I ran the Apple Hardware Test.  I ran the extended test which took around a couple hours I believe.  It passed.

Similar Messages

  • I have a late 2012 iMac running osx 10.8.5.  I keep losing access to my internal hard drive.  I can reboot and regain access and it will last for a few minutes or hours.  Disk utility does not seems to help.

    I have a late 2012 iMac with an I5 precessor running OSX 10.8.5 and a 1tb internal hard drive.  I keep losing access to the internal hard drive/startup disk.
    I can reboot and everything operates as normal for a few minutes or hours but then I lose all access again to anything on the hard drive.  The computer is still up and running but no files can be accessed and certain websites cannot be acessed even though internet access appears to be normal.  Disk utility can only find permission errors related to iTunes which can be repaired only to come back at the next scan (I would not think permission errors would have anything to do with the hard drive crashing).  It does not seem to matter what program I am using at the time access is lost and it can lose access sometimes right after reboot when no program is running.

    You will need to boot into the Recovery Volume (command - R on a restart or hold down the option/alt key during restart and select it) to run Disk Utility/Disk Repair.

  • Late 2012 imac bootcamp error"Non system disk, press any key to reboot"

    Hey all,
    I'm having all sorts of issues with getting windows 7 installed through bootcamp. I have the late 2012 imac 27 inch fusion i7 16 gigs of ram 680gtx. I downloaded the latest bootcamp drivers to my usb after i re-formated it. Partitioned the drive 200 gig windows 700 gigs mac. It restarts and then i get this error screen, "non-system disk.(see photo below) Press any key to reboot." which of course is unresponsive. I hard reset with the Option held into boot back into mac. I'm using Windows 7 64 bit. Please, any help would be appreciated. I have a unopened copy of Bioshock Infinite waiting for me

    The Macs with a built-in Optical drive use the Windows DVD, because that is what BC tells it to be set to. The USB is not made bootable on such machines.
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    Can I use a downloaded (ISO) version of Windows with Boot Camp?
    MacBook Air (Mid 2011 and later), MacBook Pro (Mid 2012 and later, including Retina models), Mac mini (Mid 2011 and later), and iMac (Late 2012) can install downloaded (ISO) versions of Windows 7 and 8.

  • Late 2012 iMac Freezes every few days

    My iMac has been in the Apple Store for a week with the Geniuses and they came back saying they couldn't find anything so putting this out to this community in the hope someone else can help. Here are the details.
    Model: 21.5 inch Late-2012 iMac
    RAM: 8Gb
    Processor: 2.9Ghz Intel Core i5
    Graphics: NVIDIA GeForce GT 650M 512 MB
    Hard Drive: 1.12 Tb Fusion (653Gb free)
    OS: 10.8.4
    Software: Fairly vanilla with no MS or Adobe Apps. No system extensions or hacks installed.
    Symptom: Every few days or so the iMac locks up. Certain running applications will still work but many common ones such as Pages, Aperture, App Store & TextEdit will hang when trying to open. Force Quitting them doesn't affect them. When I try to shut down the computer it goes to the grey screen and stays there. Eventually the power needs to be turned off to reboot it. This has been doing this for the last several months.
    Solutions Tried:
    - Fixed permissions
    - Reset PRAM
    - Re-install OS X
    I can't replicate the crash but today it happened again. At around 3:50pm I went to the iMac and noticed that Pages wouldn't load. Force quitting the App didn't do anything. Aperture was not responding so force quit that. Still wouldn't re-open. Mail was working fine and I was able to send a test message. Safari worked fine. Launched System Preferences ok but could not launch TextEdit or App Store. Calendar opened and closed fine. Attempted to restart the Mac but got the grey screen and after 5 minutes of waiting turned the computer off & relaunched it.
    Here is a snapshot of some Console entries:
    5/09/13 2:27:41.316 PM coreaudiod[122]: Enabled automatic stack shots because audio IO is inactive
    5/09/13 2:28:16.449 PM coreaudiod[122]: Disabled automatic stack shots because audio IO is active
    5/09/13 2:28:17.262 PM coreaudiod[122]: Enabled automatic stack shots because audio IO is inactive
    5/09/13 2:28:50.579 PM com.apple.usbmuxd[68]: _heartbeat_failed heartbeat detected detach for device 0xdf3-10.0.1.10:0!
    5/09/13 2:37:54.690 PM com.apple.usbmuxd[68]: _heartbeat_failed heartbeat detected detach for device 0xdfc-10.0.1.10:0!
    5/09/13 2:42:04.656 PM lsboxd[209]: @AE relay 61657674:6f646f63
    5/09/13 2:47:21.156 PM com.apple.usbmuxd[68]: _heartbeat_failed heartbeat detected detach for device 0xe05-10.0.1.11:0!
    5/09/13 4:03:23.428 PM com.apple.launchd[1]: *** launchd[1] has started up. ***
    5/09/13 4:03:23.428 PM com.apple.launchd[1]: *** Shutdown logging is enabled. ***
    5/09/13 4:03:24.934 PM com.apple.launchd[1]: (com.apple.automountd) Unknown key for boolean: NSSupportsSuddenTermination
    5/09/13 4:03:26.157 PM airportd[30]: _processDLILEvent: en1 attached (down)
    5/09/13 4:03:26.342 PM UserEventAgent[11]: Captive: [HandleNetworkInformationChanged:2435] nwi_state_copy returned NULL
    5/09/13 4:03:26.609 PM fseventsd[39]: event logs in /.fseventsd out of sync with volume.  destroying old logs. (419745 5 419906)
    5/09/13 4:03:26.612 PM fseventsd[39]: log dir: /.fseventsd getting new uuid: A3689432-84D2-4FB0-8C25-0352BC004F8B
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    Notice that the last Console entry was at 2:47pm (in red) and then nothing. I went to use the computer at 3:50pm and did several actions on it. Plugged in iPad, opened iTunes. Copied a file from the iPad to the desktop. Prior to that it hadn't been used for several hours. The shutdown that I selected does not appear in the log (although it only managed to go to the grey screen rather than complete a full shut down).
    Appreciate any clues at all here. This is very frustrating and has been going on for far too long.
    TIA. Jordan

    Back up all data immediately as your boot drive may be failing.
    If you have more than one user account, these instructions must be carried out as an administrator.
    Triple-click anywhere in the line below on this page to select it:
    syslog -k Sender kernel -k Message CReq 'Channel t|GPU D|I/O|Previous Sh' | tail | open -ef
    Copy the selected text to the Clipboard (command-C).
    Launch the Terminal application in any of the following ways:
    ☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
    ☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
    ☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
    Paste into the Terminal window (command-V).
    The command may take a noticeable amount of time to run. Wait for a new line ending in a dollar sign (“$”) to appear.
    A TextEdit window will open with the output of the command. If the command produced no output, the window will be empty. Post the contents of the TextEdit window (not the Terminal window), if any — the text, please, not a screenshot. The title of the window doesn't matter, and you don't need to post that.

  • Memory corruption due to bad RAM in late 2012 iMac

    I just unpacked a brand new late-2012 iMac a few days ago. Its specs are basically maxed out, only choice being the 3TB fusion drive. To summarize:
    3.4 GHz Core i7
    32GB RAM
    3TB Fusion Drive
    2GB NVidia
    Latest patches for Mountain Lion
    Since I got it, I have been experiencing intermittent abnormalities with it. Programs randomly crash with error messages along the lines of "such and such file appears corrupt, please run --repair".
    I do a lot of programming in my job and just today I started getting bizarre 'segmentation fault' messages in Terminal. What worked just a few minutes ago started crashing with a segfault. The exact same programs have no negative effect on my Macbook Pro and work just fine. In a matter of minutes, the entire iMac became unresponsive and I got the "we shut down your computer to prevent damage" panic screen.
    After a reboot, I started thinking it could be some sort of memory corruption. I downloaded the 'memtest' utility and started the basic test with:
    memtest all 2
    In just a few minutes, below are the results I receive (I re-ran multiple times to the same effect).
    Any opinions on whether this is indeed bad RAM? How do I handle this with Apple support? Any suggestions/comments are most welcome.
    Thank you,
    Ozgun
    Excerpt from the crash report in Console:
    Process:         ghc [96618]
    Path:            /usr/local/lib/ghc-7.6.2/ghc
    Identifier:      ghc
    Version:         ???
    Code Type:       X86-64 (Native)
    Parent Process:  Emacs-10.7 [37299]
    User ID:         501
    Date/Time:       2013-03-20 21:06:30.389 -0400
    OS Version:      Mac OS X 10.8.3 (12D78)
    Report Version:  10
    Crashed Thread:  0  Dispatch queue: com.apple.main-thread
    Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
    Exception Codes: EXC_I386_GPFLT
    Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
    0   ghc                                     0x000000010bb44b10 evacuate1 + 5296
    1   ghc                                     0x000000010bb4927f scavenge_block1 + 703
    2   ghc                                     0x000000010bb4a78c scavenge_loop1 + 1548
    3   ghc                                     0x000000010bb4639e scavenge_until_all_done + 798
    4   ghc                                     0x000000010bb46c57 GarbageCollect + 1639
    5   ghc                                     0x000000010bb378ff scheduleDoGC + 991
    6   ghc                                     0x000000010bb3982b schedule + 1579
    7   ghc                                     0x000000010bb39df4 scheduleWaitThread + 164
    8   ghc                                     0x000000010bb3478e real_main + 68
    Memtest Results:
    Memtest version 4.22 (64-bit)
    Copyright (C) 2004 Charles Cazabon
    Copyright (C) 2004-2008 Tony Scaminaci (Macintosh port)
    Licensed under the GNU General Public License version 2 only
    Mac OS X 10.8.3 (12D78) running in multiuser mode
    Memory Page Size: 4096
    System has 8 Intel core(s) with SSE
    Requested memory: 24009MB (25176211456 bytes)
    Available memory: 24009MB (25176211456 bytes)
    Allocated memory: 24009MB (25176211456 bytes) at local address 0x0000000101000000
    Attempting memory lock... locked successfully
    Partitioning memory into 2 comparison buffers...
    Buffer A: 12004MB (12588105728 bytes) starts at local address 0x0000000101000000
    Buffer B: 12004MB (12588105728 bytes) starts at local address 0x00000003ef4f4000
    Running 2 test sequences... (CTRL-C to quit)
    Test sequence 1 of 2:
    Running tests on full 24009MB region...
      Stuck Address       : testing  1 of 16
    FAILURE! Data mismatch at local address 0x0000000262d778c0
    Actual Data: 0x0200000262d778c0
      Linear PRN          : testing  1 of 16
    FAILURE! Data mismatch at local address 0x0000000262d77900
    Expected Data: 0xa378ecfaa3ecf6b9, Actual Data: 0x0178ecfaa3ecf6b9
    Running comparison tests using 12004MB buffers...
      Random Value        :
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x3ddd57d041eb5a06, BUFB Data: 0x3fdd57d041eb5a06
      Compare XOR         :
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x826aabfcebf44332, BUFB Data: 0x806aabfcebf44332
      Compare SUB         :
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x8e6cbb4010b8a88d, BUFB Data: 0x8a6cbb4010b8a88d
      Compare MUL         :
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x54fd2f0176d1ab9e, BUFB Data: 0xfefd2f0176d1ab9e
      Compare DIV         :
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x0200000000000000, BUFB Data: 0x0000000000000002
      Compare OR          :
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x6eaf35c4f7fc13fb, BUFB Data: 0x6caf35c4f7fc13fb
      Compare AND         :
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x6ea704c077fc1399, BUFB Data: 0x6ca704c077fc1399
      Sequential Increment:
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x7caad7e9fb32b8ca, BUFB Data: 0x7eaad7e9fb32b8ca
      Solid Bits          : testing  1 of 64
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0xfdffffffffffffff, BUFB Data: 0xffffffffffffffff
      Block Sequential    : testing   1 of 256
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x0200000000000000, BUFB Data: 0x0000000000000000
      Checkerboard        : testing  1 of 64
    FAILURE! Data mismatch at local BUFA address 0x0000000262d77900, BUFB address 0x000000055126b900
    BUFA Data: 0x0155555555555555, BUFB Data: 0x5555555555555555
      Bit Spread          : testing   1 of 128
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x0200000000000005, BUFB Data: 0x0000000000000005
      Bit Flip            : testing   1 of 512
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0xfdfffffffffffffe, BUFB Data: 0xfffffffffffffffe
      Walking Ones        : testing   1 of 128
    FAILURE! Data mismatch at local BUFA address 0x0000000262d77900, BUFB address 0x000000055126b900
    BUFA Data: 0x11fffffffffffffe, BUFB Data: 0xfffffffffffffffe
      Walking Zeroes      : testing   1 of 128
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x0200000000000001, BUFB Data: 0x0000000000000001
    Test sequence 2 of 2:
    Running tests on full 24009MB region...
      Stuck Address       : testing  1 of 16
    FAILURE! Data mismatch at local address 0x0000000262d778c0
    Actual Data: 0x0200000262d778c0
      Linear PRN          : testing  1 of 16
    FAILURE! Data mismatch at local address 0x0000000262d77900
    Expected Data: 0xa378ecfaa3ecf6b9, Actual Data: 0x0178ecfaa3ecf6b9
    Running comparison tests using 12004MB buffers...
      Random Value        :
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0xf54d78773a1d75d1, BUFB Data: 0xf74d78773a1d75d1
      Compare XOR         :
    FAILURE! Data mismatch at local BUFA address 0x0000000262d77900, BUFB address 0x000000055126b900
    BUFA Data: 0x01e08f19e0bd343d, BUFB Data: 0xbbe08f19e0bd343d
      Compare SUB         :
    FAILURE! Data mismatch at local BUFA address 0x0000000262d77900, BUFB address 0x000000055126b900
    BUFA Data: 0x01e38c4ae6cbd9e0, BUFB Data: 0x5be38c4ae6cbd9e0
      Compare MUL         :
    FAILURE! Data mismatch at local BUFA address 0x0000000262d77900, BUFB address 0x000000055126b900
    BUFA Data: 0x01d2ccf452aabcc0, BUFB Data: 0x5ed2ccf452aabcc0
      Compare DIV         :
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x0200000000000003, BUFB Data: 0x0000000000000003
      Compare OR          :
    FAILURE! Data mismatch at local BUFA address 0x0000000262d77900, BUFB address 0x000000055126b900
    BUFA Data: 0x01f97d3f343b8641, BUFB Data: 0xe7f97d3f343b8641
      Compare AND         :
    FAILURE! Data mismatch at local BUFA address 0x0000000262d77900, BUFB address 0x000000055126b900
    BUFA Data: 0x0181413c143a0641, BUFB Data: 0xe381413c143a0641
      Sequential Increment:
    FAILURE! Data mismatch at local BUFA address 0x0000000262d77900, BUFB address 0x000000055126b900
    BUFA Data: 0x11df0c80ebf82821, BUFB Data: 0xf2df0c80ebf82821
      Solid Bits          : testing  1 of 64
    FAILURE! Data mismatch at local BUFA address 0x0000000262d77900, BUFB address 0x000000055126b900
    BUFA Data: 0x11ffffffffffffff, BUFB Data: 0xffffffffffffffff
      Block Sequential    : testing   1 of 256
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x0200000000000000, BUFB Data: 0x0000000000000000
      Checkerboard        : testing  1 of 64
    FAILURE! Data mismatch at local BUFA address 0x0000000262d77900, BUFB address 0x000000055126b900
    BUFA Data: 0x0155555555555555, BUFB Data: 0x5555555555555555
      Bit Spread          : testing   1 of 128
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x0200000000000005, BUFB Data: 0x0000000000000005
      Bit Flip            : testing   1 of 512
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0xfdfffffffffffffe, BUFB Data: 0xfffffffffffffffe
      Walking Ones        : testing   1 of 128
    FAILURE! Data mismatch at local BUFA address 0x0000000262d77900, BUFB address 0x000000055126b900
    BUFA Data: 0x11fffffffffffffe, BUFB Data: 0xfffffffffffffffe
      Walking Zeroes      : testing   1 of 128
    FAILURE! Data mismatch at local BUFA address 0x0000000262d778c0, BUFB address 0x000000055126b8c0
    BUFA Data: 0x0200000000000001, BUFB Data: 0x0000000000000001
    *** Address Test Failed ***  One or more DIMM address lines are non-functional.
    Execution time: 230 seconds.
    ➜  ~  memtest all 2

    This must be my last last thing.  AHT was on an iMac I bought in 2009.  It was included on my "disk 2" along with several other applications.  When I wiped and installed the full Lion, AHT was gone.  Same is true for the full Mountain Lion installation media.  It does not have AHT.  I'm not at all sure how to get it back from Apple.
    I was able to find it on my SL disc 2 and extract it again from that.  Disc 2 won't install on Mountain Lion (the packages are too out of date) but the AHT pkg does.
    Since you have it, consider packing it up and keeping it safe.  Maybe someone who knows AHT better than I can elaborate on AHT.  From what I've seen, you get it when your mac ships but if you ever wipe and reinstall the OS, you lose it.

  • Late 2012 iMac freezing

    I've got a 21.5 late 2012 iMac. Mavericks has been on it for about a week, and I've had to restart the computer from the power button about 10 times. I cant put it to sleep, because sometimes it will wake up, then freeze when I unlock, or sometimes it just won't wake up at all.
    It has lots of weird window placement bugs too, like when I wake it from sleep all the windows are in the top left hand corner and they won't move out of there unless I restart.
    Then theres the fact that I cant run my iMac under anywhere near the same kind of load that I could before. Right now I have 3 safari windows open and 10 apps and this thing is running like a dog, literally stuttering all over the place and barely useable, would run beautifully with the same load on ML.
    Any way to solve these bugs or am I just going to have to roll back to ML? The only reason I installed Mavericks (well the main reason) was iCloud keychain, and the 'decen't' syncing of my pages and numbers files, between devices, but I'm not putting up with an OS that cant handle things or that freezes when I unlock my computer.

    I've got a 21.5 late 2012 iMac. Mavericks has been on it for about a week, and I've had to restart the computer from the power button about 10 times. I cant put it to sleep, because sometimes it will wake up, then freeze when I unlock, or sometimes it just won't wake up at all.
    It has lots of weird window placement bugs too, like when I wake it from sleep all the windows are in the top left hand corner and they won't move out of there unless I restart.
    Then theres the fact that I cant run my iMac under anywhere near the same kind of load that I could before. Right now I have 3 safari windows open and 10 apps and this thing is running like a dog, literally stuttering all over the place and barely useable, would run beautifully with the same load on ML.
    Any way to solve these bugs or am I just going to have to roll back to ML? The only reason I installed Mavericks (well the main reason) was iCloud keychain, and the 'decen't' syncing of my pages and numbers files, between devices, but I'm not putting up with an OS that cant handle things or that freezes when I unlock my computer.

  • [Guide] Install and run Windows 7/8 from an external drive without using bootcamp (works for late 2012 iMacs with 3TB drive)

    This is a copy of a post from my blog, you can also Read it on my blog...
    Introduction
    After I received my new iMac with a 3 TB Fusion Drive, I was disappointed when I realized that Bootcamp was not running on this model and prevented me from installing Windows on it. I wanted to take advantage of the powerful iMac hardware to play games but I couldn't.
    There are a few ways of working around this limitation, but I found most of them quite complex and most of the time they required formatting the internal hard drive or repartitioning it and go for a brand new installation of Mac OS X. I was not comfortable with that.
    But there is another way, and that is to install Windows on an external hard drive, using either USB or Thunderbolt. Personally I used a Lacie Rugged 1 TB drive that has both USB3 and Thunderbolt connectors. Both work very well.
    This guide may interest you if:
    You have an internal hard drive of more than 2TB and you can't run bootcamp at all (like late 2012 iMacs with a 3TB drive)
    You have limited space or you don't want to dedicate disk space on your internal hard disk drive to a Windows installation
    What this guide will make you do:
    It will make you erase all your data from your external USB3/Thunderbolt hard drive
    It will make you install Windows on your external USB3/Thunderbolt hard drive
    It will make you install bootcamp drivers
    What this will not make you do:
    It will not make you modify anything on your internal Mac hard drive
    It will not make you use or install the bootcamp assistant
    It will not activate the Preference Pane for the default boot drive. You have to boot by pressing the ALT key to manually select your boot drive each tome you want to boot Windows.
    What you'll need
    An external hard drive with a USB3 and/or Thunderbolt connector. This drive will be formatted so ensure you saved your files before going further. You can use either an SSD drive or a classic hard drive.
    A Windows 7 or 8 install DVD or ISO (check whether to install 32 or 64 bits versions based on your Bootcamp drivers) and the corresponding Windows serial number.
    One of the following:
    Mac OS X with a Windows 7 or 8 Virtual Machine (use VMWare Fusion or Parallels Desktop for example. Note: VMWare Fusion seems to have some issues with Thunderbolt and USB3. Plug your drive to a USB2 enclosure or hub to work around this -it worked for me-, or use another VM software) → Read the important note below
    A PC running Windows 7 or 8 → Read the important note below
    Windows AIK (free) running on your Virtual Machine or on your PC, or just the imagex.exe file (the rest of the Windows AIK package is not needed)
    Download imagex.exe
    Download Windows AIK (this download and installation is not required if you have already downloaded imagex.exe)
    Bootcamp drivers for your Mac. You can get these either by running bootcamp from your Mac (Applications > Utilities > Bootcamp) or, if like me you have a 3TB drive and can't run bootcamp at all, use the direct download links here.
    A USB stick to store your bootcamp drivers
    IMPORTANT: If your Mac has a 64 bits processor, your Windows Virtual Machine on OSX, your Windows installation on your PC and your Windows DVD/ISO must also be in 64 bits!
    Step by Step guide
    Step 1: Get the install.wim file
    If you have a Windows ISO file:
    Mount the ISO
    If you're on OS X: double click on the ISO file
    If you're on on Windows 7: Use a software like Virtual Clone Drive (free)
    If you're on Windows 8: double click on the ISO file
    Open the mounted drive, then go to the "sources" folder and locate the "install.wim" file. Save this file to C:\wim\ on your Windows installation or virtual machine.
    If you have a Windows DVD: open the "sources" folder on the DVD and locate the "install.wim" file. Save this file to C:\wim\ on your Windows installation or virtual machine.
    IMPORTANT: If instead of a "install.wim" file, you have "install.esd", you can not continue this step by step guide. And an ESD file can not be converted into a WIM file. So you must get a version of the Windows installation DVD/ISO that has an install.wim file.
    Step 2: Clean, partition and format your external hard drive
    On your Windows installation or virtual machine, plug in your external hard drive (can be plugged using USB2, USB3 or Thunderbolt at this stage)
    Open the command prompt in administrator mode (cmd.exe). To run it in administrator mode, right click on cmd.exe > Run as admin.
    Type the following and hit enter to open the disk partitioner utility:
    diskpartType the following and hit enter to list your drives:
    list disk
    This will display a list of disks mounted on your computer or virtual machine. Make sure your drive is listed here before you continue.Identify the disk ID of your external hard drive. Replace # by your real external disk ID in the command below:
    select disk #Clean all partitions by typing the following (warning: this will erase all data from your external drive!):
    clean
    Create the boot parition by typing the following followed by the enter key:
    create partition primary size=350
    This will create a 350MB partition on your external driveFormat the partition in FAT32 by typing the following:
    format fs=fat32 quick
    Set this partition to active by typing:
    active
    Assign a letter to mount this partition. We will use letter B in our example. If B is already used on your PC, replace B by any other available letter:
    assign letter=b
    Windows will detect a new drive and probably display a pop-up. Ignore that.Create the Windows installation partition using all the remaining space available on the external drive by typing the following:
    create partition primary
    Format the new partition in NTFS:
    format fs=ntfs quick
    Assign a letter to mount this partition. We will use letter O in our example. If O is already used on your PC, replace O by any other available letter:
    assign letter=o
    Windows will detect a new drive and probably display a pop-up. Ignore that.Exit the disk partitioner utility by typing:
    exit
    Step 3: Deploy the Windows installation image
    Still using the command prompt in admin mode (you didn't close it, did you? ), locate the imagex.exe file mentioned in the "What you'll need" section and access its folder. In our example, we have put this file in C:\imagex\imagex.exe
    Type the following and hit enter (remember to replace o: with the letter you have chosen in the previous step):
    imagex.exe /apply C:\wim\install.wim 1 o:
    This will take some time. The Windows installation image is being deployed to your external driveOnce done, type the following to create the boot section (remember to replace o: and b: with the letters you've chosen in the previous step):
    o:\windows\system32\bcdboot o:\windows /f ALL /s b:
    If you get an error message saying that you can't run this program on your PC, then most probably you are running on a 32 bits installation of windows and you're trying to deploy a 64 bits install. This means you did not read the important notes in the beginning of this guide
    If you get an error message on the options that can be used with the BCDBOOT command, then it's because you're installing Windows 7, and the /f option is not supported. If that is the case, remove /f ALL from the command and retry.
    Step 4: Boot from your external drive and install Windows
    Plug in your external drive:
    If you've done all the previous steps from a Windows PC, unplug your external drive from your PC and plug it to your Mac, either on a USB3 or a Thunderbolt port.
    If you've done all the previous steps from your Mac using a Virtual Machine, ensure the external drive is plugged in to a USB3 or Thunderbolt port. Using USB2 should also work but you'll get very poor performance so I don't recommend doing that.
    Reboot your Mac and once the bootup sound is over, immediately press the ALT (option) key and release it only when the boot drives selection screen appears. If you did not get the boot drives selection screen, reboot and try again. The timing to press the ALT (option) key is quite short. It must not be too early or too late.
    On the boot selection screen, choose "Windows" using the arrow keys on your keyboard, then press enter.
    The Windows installation starts. Follow the on-screen instructions as normal. The installation program will restart your computer one or 2 times. Don't forget to press ALT (option) right after the bootup sound, and boot on Windows again each time to continue the installation.
    Step 5: Install bootcamp drivers
    Once the Windows installation is complete, plug in the USB stick where you stored the bootcamp drivers (see "what you'll need" section), open it and right click on "setup.exe" and select "Run as admin". Follow the on-screen instructions.If you have an error saying that you can't run this program on this PC, obviously you have installed a 32 bits version of Windows and the bootcamp drivers for your Mac are made for a 64 bits version. You have to restart the whole guide and make sure to get a 64 bits version of Windows this time!
    Once the bootcamp drivers are all installed, reboot and press ALT (option) after the bootup sound to boot on Windows again. And Voilà, you have Windows installed on your USB3/Thunderbolt drive running on your Mac.
    Now each time you want to boot on Windows, press and hold the ALT (option) key after the startup sound and select "Windows", then press Enter.

    Hi i'm trying to follow your guide, I installed windows 8 on bootcamp to do it planning to remove it after the operation is done, but i get stuck at part 3: every command i give to imagex i get a pop-up ftom windws asking how do I want to open this kind of file install.wim and imagex does nothing, what do i have to do to stop those pop-ups?

  • Issue with Fusion drive (Late 2012 iMac)

    I have a late 2009 iMac that has been backed up with Time Machine.  I recently picked up a late 2012 iMac with the 1TB Fusion drive.  When I first plugged in my Time Machine drive, I was asked if I'd like to transfer my files over.  I did, and everything was working fine.  I was using about 800GB of my 1.12TB Fusion Drive.
    I recently decided to add a new partition to the Macintosh HD in order to put Windows on it. I did this through the Disk Utility.  I noticed that it was taking an inordinately long time to create this partition.  Finally, I realized that the Disk Utility was locked up.  I was forced to reboot to fix it.
    I went back and tried again and I got an error stating that the drive had errors and I couldn't make a new partition.  So I attempted to "repair disk".  That gave me an error "Error: This disk needs to be repaired using the Recovery HD. Restart your computer, holding down the Command key and the R key until you see the Apple logo. When the OS X Utilities window appears, choose Disk Utility."
    So I rebooted into recovery.  Recovery was absolutely no help either.  It couldn't repair the drive, even though it had me erase all the data.  So I downloaded 10.8.2 on my Mac Mini and made a boot disk out of my Thunderbolt drive.  I booted into OS X and tried again to repair, thinking it would work since the Fusion was no longer the boot drive.  No such luck.  I then booted back into recovery and had recovery download and install a fresh version of 10.8.2.  2+ hours into the download/install, I get an error that says "OS X couldn't be installed because the disk Macintosh HD is damaged and can't be repaired."
    Ok, so as a final attempt, I had recovery use my time machine to start over.  That worked, kinda.  It now shows my Fusion drive as being completely filled in Disk Utility (49KB remains, only about 800 or so was used before), and Finder shows the Fusion drive as being 860GB capacity with 837GB used.  I still can't repair the disk.  And now my Time Machine acts like I'm working on an entirely new computer and says there's not enough room on the drive unless I format my Time Machine drive and start over.
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    Yes I have AppleCare.
    Before that I've now made a bootable disk and tried to repair the internal drive, but this was not possible.
    I have a Time Machine backup, but excluded some temporary folders.
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  • Late 2012 imac 'not enough ram' for photoshop

    I have a late 2012 imac - 3.4 i7 16 gig ram and yet when using photoshop elements 9 it keeps freezing with a message saying not enough ram. Another problem which may or may not be related is MS word tending to freeze when I cut and paste??
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    Thanks

    Well, I use PSE 11 and at least in my version I would recommend, as Adobe does, that you go into Adobe Photoshop Elements Editor>Preferences>Performance>and there I would set your RAM allocation ("Memory Useage" as they call it ) to at least around 12 GB while you are using PSE.  It is heavily dependent on the amount of RAM it has available:
    Message was edited by: Radiation Mac

  • How can I generate a mountain lion boot dvd for my 27" late 2012 iMac

    baught the 27" late 2012 iMac and didn´t get any software dvd with it.
    Due to the fact that I have the external DVD writer I would like to generate a bootable Mountain lion DVD for it.

    First you will need to Downl;oad and Save the Mt Lion install files. They are not on the system as it is. you need to use the Recovery HD partition to do the download to an external drive and then when the system goes to Reboot to start the actual install of Mt Lion on that external you Disconnect that external so the install doesn't start.
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  • Dirty inside Screen late 2012 imac

    Hi
    I have an iMac 21,5", late 2012 model.
    I have noticed that the lower left part of the screen has some yellowish rays. About 1 inch wide, 2-3 inches long, going up toward the center of the screen.
    Obviously have have cleaned the screen on the outside, and the smudge is clearly not on the outside.
    I have attached a photo that illustrates the problem.
    Would any of you know what could be causing this?
    I was also under the impression that the screen was sealed around the edges.

    Klaus, yes, I do intend on doing that.
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  • Late 2012 iMac Keyboard Problems

    Since I got the new 27" late 2012 iMac I am having keyboard issues.
    The issue mainly revolves around the number pad but sometimes the entire keyboard is affected.
    So I will be using the Bluetooth wireless keyboard and mouse and everything will be fine.
    Then all of a sudden the keyboard does not work. Sometime a reboot fixes it but sometimes not.
    Or when I hook up the wired keyboard all of a sudden the number pad on the right does not work but the plus and minus keys do.
    It is very strange and odd.
    When I called Apple tech support they said go get a new keyboard so I did.
    Then when it happened again with the wired keyboard being the problem I took it down to the store and they said because I had bluetooth on it could have been communicating with the wireless keyboard and getting confused.
    Now when trying to use the wireless keyboard I have issues and when I use the wired keyboard I have issues.
    Any other suggestions?

    Since I got the new 27" late 2012 iMac I am having keyboard issues.
    The issue mainly revolves around the number pad but sometimes the entire keyboard is affected.
    So I will be using the Bluetooth wireless keyboard and mouse and everything will be fine.
    Then all of a sudden the keyboard does not work. Sometime a reboot fixes it but sometimes not.
    Or when I hook up the wired keyboard all of a sudden the number pad on the right does not work but the plus and minus keys do.
    It is very strange and odd.
    When I called Apple tech support they said go get a new keyboard so I did.
    Then when it happened again with the wired keyboard being the problem I took it down to the store and they said because I had bluetooth on it could have been communicating with the wireless keyboard and getting confused.
    Now when trying to use the wireless keyboard I have issues and when I use the wired keyboard I have issues.
    Any other suggestions?

  • Installing Adobe Creative Suite - NEW 21" late 2012 iMac - Don't want to buy superdrive!! How can I trick the computer into thinking the USB drive is a CD?

    I've got a new late 2012 imac, but I realize yes it doesn't come with a compact disc drive. I have an Adobe Creative Suite CS5.5 install disc with all the information included (serial). I copied the contents of the CD into a USB Flash drive, but I can't get it to install because it is looking for the content on the CD. Since I don't want to have to buy the external Superdrive!! How do I convince the computer into installing adobe via the files on the flash drive?

    Your question makes perfect sense to me. I would contact Adobe Supptrt Services from the contacts listed here:
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    You will need adobe current serial number.
    I hope you'll post here with your results. I've interested know what happens.

  • Help for with slow, glitchy (late 2012) iMac

    This is an ANSWER and not a request for help.  I didn't know where to post this and apologize for stepping where I shouldn't. 
    I have a Late 2012 iMac that has been crashing, running slow, and now worse;  all my documents and everything in Finder have disappeared.  I discovered a fix that may help others with similar issues.  I use my iMac for use with Logic Pro X and Mainstage where freezeups are a disaster.  I thought about this awhile and realized I had installed a new USB 3.0 external hard disk a few months ago when this issue began. I began to experience more and more crashes and extremely slow performance.  Beach-balls and slow performance were common.  But the last straw was when everything in Finder disappeared.  My Document and Application folders were empty.  If I clicked on "About This Mac" I saw nothing.    It took two tries to prove my theory, but here's what I did to make "the fix".  I unplugged the USB 3.0 drive and all USB and external devices.  I did a restore of OSX Mt Lion.  All was back to normal.  But after plugging in the USB 3.0 drive, all the afore mentioned problems came back.  I did one more restore, this time NOT connecting the USB 3.0 external hard disk.  Now I have gone some time and my iMac's speed is back to "incredible", no beach balls or any sign of slow performance in recording or running any other app.  Apparently, the 2012 iMac; although spec'ed to be USB 3.0 compatible, may not be all that compatible. Hope this helps someone!

    Likely the external drive is bad or defective cable.

  • I have a late 2012 iMac and a late 2009 mac mini.  I want to know if I can take the 8 GB of ram from the iMac and install it in my mac mini.

    I have a late 2012 iMac and a late 2009 mac mini.  I want to know if I can take the 8 GB of ram from the iMac and install it in my mac mini.
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    Package: 204-pin SODIMM
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    Specs: DDR3 PC3-8500 • CL=7 • Unbuffered • NON-ECC • DDR3-1066 • 1.35V • 512Meg x 64
    Also According to Cruical my iMac uses:
    Module Size: 8GB Kit (4GBx2)
    Package: 204-pin SODIMM
    Feature: DDR3 PC3-12800
    Specs: DDR3 PC3-12800 • CL=11 • Unbuffered • NON-ECC • DDR3-1600 • 1.35V
    I want to increase the ram in both computers. 
    So,  can I put the iMac ram in my mac mini and then I'd only have to buy ram for my iMac?  Naturally the ulitmate test will be when I actually install it,  but having an expectation of success or failure will allow me to plan on what to spend money on.
    Thanks,
    Bear

    Thanks for the responses.  I probably wont even try as my priority is Ram for the mac mini.  2 is not enough.  8 for my imac is okay for now. 
    Somewhere I thought I'd heard that faster Ram would simply clock at the lower speed.  It seems that I am incorrect.
    Thanks,
    Bear

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