Adding USB 3.0 PCIe to K320 57123813 Intel Core i5 750 6GB DDR3 ATI HD5570 1GB

Hello,
does somebody have an idea if it is possible to upgrade a K320 ATI HD5570 1GB 57123813 Intel Core i5 750 6GB DDR3 with an USB 3.0 PCIe card? Lenovo support says no way, no Firewire, nothing but why it shouldn't work??
cheers

 Mixed Micron/Kingston memory with different timing specs,
 Try with only kit of 1 brand installed. You should not mix memory like that as problems can and most times will occur.

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    **Click the KUDOS thumb up on the left to say 'Thanks'**
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    panic(cpu 3 caller 0xffffff800a4b8655): Kernel trap at 0xffffff7f8aa00cf8, type 14=page fault, registers:
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    R12: 0x0000000000000000, R13: 0x0000000000000200, R14: 0xffffff80c1c7e000, R15: 0xffffff801981b000
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    0xffffff80bba3b2f0 : 0xffffff800a41d626
    0xffffff80bba3b360 : 0xffffff800a4b8655
    0xffffff80bba3b530 : 0xffffff800a4ce17d
    0xffffff80bba3b550 : 0xffffff7f8aa00cf8
    0xffffff80bba3b690 : 0xffffff7f8aa0a625
    0xffffff80bba3b6c0 : 0xffffff7f8aa0a2a9
    0xffffff80bba3b770 : 0xffffff7f8aa09f1a
    0xffffff80bba3b7d0 : 0xffffff7f8aa036f3
    0xffffff80bba3b7f0 : 0xffffff7f8a9b3591
    0xffffff80bba3b850 : 0xffffff800a84907a
    0xffffff80bba3b8b0 : 0xffffff7f8a9c400e
    0xffffff80bba3b910 : 0xffffff7f8a9c41dd
    0xffffff80bba3b970 : 0xffffff7f8a9a2eec
    0xffffff80bba3b9a0 : 0xffffff7f8a9a1bbf
    0xffffff80bba3b9e0 : 0xffffff800a83085b
    0xffffff80bba3ba40 : 0xffffff7f8a9a1b09
    0xffffff80bba3ba70 : 0xffffff800a84907a
    0xffffff80bba3bad0 : 0xffffff7f8a9a1a74
    0xffffff80bba3bb10 : 0xffffff7f8aeaa195
    0xffffff80bba3bb40 : 0xffffff800a83194b
    0xffffff80bba3bb80 : 0xffffff800a83146e
    0xffffff80bba3bc10 : 0xffffff800a82d400
    0xffffff80bba3bc50 : 0xffffff800a82d10f
    0xffffff80bba3bc90 : 0xffffff800a82cfc4
    0xffffff80bba3bcd0 : 0xffffff7f8a9ad2bd
    0xffffff80bba3bd00 : 0xffffff7f8a9adb68
    0xffffff80bba3bda0 : 0xffffff7f8ae08b47
    0xffffff80bba3bdd0 : 0xffffff7f8ae085b9
    0xffffff80bba3be40 : 0xffffff7f8ae07f6c
    0xffffff80bba3be60 : 0xffffff800a83194b
    0xffffff80bba3bea0 : 0xffffff800a83146e
    0xffffff80bba3bf30 : 0xffffff800a82d400
    0xffffff80bba3bf70 : 0xffffff800a831fc9
    0xffffff80bba3bfb0 : 0xffffff800a4b3137
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             com.apple.iokit.IOUSBFamily(5.6)[065077C5-A49E-3C52-BDC0-60169E293563]@0xffffff 7f8a997000->0xffffff7f8a9f2fff
                dependency: com.apple.iokit.IOPCIFamily(2.7.3)[1D668879-BEF8-3C58-ABFE-FAC6B3E9A292]@0xffff ff7f8a96e000
             net.osx86.kexts.VLIUSBXHCI(1.2.4)[00000000-0000-0000-0000-000000000000]@0xfffff f7f8a9ff000->0xffffff7f8aa17fff
                dependency: com.apple.iokit.IOUSBFamily(5.6.0)[065077C5-A49E-3C52-BDC0-60169E293563]@0xffff ff7f8a997000
                dependency: com.apple.iokit.IOPCIFamily(2.7.3)[1D668879-BEF8-3C58-ABFE-FAC6B3E9A292]@0xffff ff7f8a96e000
             com.apple.driver.AppleUSBComposite(5.2.5)[E52D4507-6DB1-392E-B46B-FC7107573D4C] @0xffffff7f8ae07000->0xffffff7f8ae0dfff
                dependency: com.apple.iokit.IOUSBFamily(5.6.0)[065077C5-A49E-3C52-BDC0-60169E293563]@0xffff ff7f8a997000
             com.apple.iokit.IOUSBAttachedSCSI(1.0.3)[1EBCBF6E-4BB8-341D-8B0B-D35C69425E67]@ 0xffffff7f8aea6000->0xffffff7f8aeadfff
                dependency: com.apple.iokit.IOUSBFamily(5.6.0)[065077C5-A49E-3C52-BDC0-60169E293563]@0xffff ff7f8a997000
                dependency: com.apple.iokit.IOStorageFamily(1.8)[5BA4CD36-E96D-3A9E-ADFF-A863BBD63BC7]@0xff ffff7f8aa96000
                dependency: com.apple.iokit.IOSCSIArchitectureModelFamily(3.5.5)[DCE95F6E-F7D4-33D8-9515-FB C4FF5B1AB4]@0xffffff7f8ab65000
    BSD process name corresponding to current thread: kernel_task
    Mac OS version:
    Not yet set
    Kernel version:
    Darwin Kernel Version 12.4.0: Wed May  1 17:57:12 PDT 2013; root:xnu-2050.24.15~1/RELEASE_X86_64
    Kernel UUID: 896CB1E3-AB79-3DF1-B595-549DFFDF3D36
    Kernel slide:     0x000000000a200000
    Kernel text base: 0xffffff800a400000
    System model name: MacPro3,1 (Mac-F42C88C8)
    System uptime in nanoseconds: 1372235172
    last loaded kext at 1219506626: com.apple.driver.CSRHIDTransitionDriver          4.1.4f2 (addr 0xffffff7f8b24a000, size 16384)
    loaded kexts:
    com.rogueamoeba.InstantOn          6.0.2
    net.osx86.kexts.VLIUSBXHCI          1.2.4
    com.apple.driver.CSRHIDTransitionDriver          4.1.4f2
    com.apple.iokit.IOUSBAttachedSCSI          1.0.3
    com.apple.iokit.SCSITaskUserClient          3.5.5
    com.apple.driver.XsanFilter          404
    com.apple.iokit.IOAHCIBlockStorage          2.3.1
    com.apple.driver.AppleFileSystemDriver          3.0.1
    com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
    com.apple.BootCache          34
    com.apple.driver.AppleUSBXHCI          5.6.0
    com.apple.driver.AppleUSBHub          5.5.5
    com.apple.driver.AppleIntel8254XEthernet          3.1.1b1
    com.apple.driver.AppleAHCIPort          2.5.2
    com.apple.driver.AppleFWOHCI          4.9.6
    com.apple.driver.AppleIntelPIIXATA          2.5.1
    com.apple.driver.AppleUSBEHCI          5.5.0
    com.apple.driver.AppleUSBUHCI          5.2.5
    com.apple.driver.AppleEFINVRAM          1.7
    com.apple.driver.AppleACPIButtons          1.7
    com.apple.driver.AppleHPET          1.8
    com.apple.driver.AppleRTC          1.5
    com.apple.driver.AppleSMBIOS          1.9
    com.apple.driver.AppleACPIEC          1.7
    com.apple.driver.AppleAPIC          1.6
    com.apple.driver.AppleIntelCPUPowerManagementClient          196.0.0
    com.apple.nke.applicationfirewall          4.0.39
    com.apple.security.quarantine          2.1
    com.apple.driver.AppleIntelCPUPowerManagement          196.0.0
    com.apple.driver.AppleUSBHIDKeyboard          170.2
    com.apple.driver.AppleHIDKeyboard          170.2
    com.apple.iokit.IOUSBHIDDriver          5.2.5
    com.apple.iokit.IOSCSIBlockCommandsDevice          3.5.5
    com.apple.iokit.IOUSBMassStorageClass          3.5.1
    com.apple.driver.AppleUSBMergeNub          5.5.5
    com.apple.driver.AppleUSBComposite          5.2.5
    com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.5.5
    com.apple.iokit.IOBDStorageFamily          1.7
    com.apple.iokit.IODVDStorageFamily          1.7.1
    com.apple.iokit.IOCDStorageFamily          1.7.1
    com.apple.iokit.IOATAPIProtocolTransport          3.5.0
    com.apple.iokit.IOSCSIArchitectureModelFamily          3.5.5
    com.apple.iokit.IONetworkingFamily          3.0
    com.apple.iokit.IOUSBUserClient          5.5.5
    com.apple.iokit.IOAHCIFamily          2.3.1
    com.apple.iokit.IOFireWireFamily          4.5.5
    com.apple.iokit.IOATAFamily          2.5.1
    com.apple.iokit.IOUSBFamily          5.6.0
    com.apple.iokit.IOHIDFamily          1.8.1
    com.apple.driver.AppleEFIRuntime          1.7
    com.apple.iokit.IOSMBusFamily          1.1
    com.apple.security.sandbox          220.3
    com.apple.kext.AppleMatch          1.0.0d1
    com.apple.security.TMSafetyNet          7
    com.apple.driver.DiskImages          345
    com.apple.iokit.IOStorageFamily          1.8
    com.apple.driver.AppleKeyStore          28.21
    com.apple.driver.AppleACPIPlatform          1.7
    com.apple.iokit.IOPCIFamily          2.7.3
    com.apple.iokit.IOACPIFamily          1.4
    com.apple.kec.corecrypto          1.0

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    The linked PCI card with the NEC chip-set will be better than a VIA or ALI chip-set card. It should work, and you don't need to worry about drivers- all you need is within Tiger.
    So, as far as issues with sleep, either not sleeping, or, the most common problem, not waking from sleep. VIA and ALI chip-sets can cause problems with no device attached at all. NEC chip-sets allow the card to reside nicely in the computer (no conflicts), but the connected device may cause problems.
    Memory writing USB hardware, or, as I like to say, mass storage devices, can be used on the USB 2.0, but, to keep from having sleep problems, especially if they are USB powered (like the iPod, and some card readers), the device must be ejected, and disconnected, before sleeping the computer.
    Other devices, printers, scanners, cameras, some card readers, and such, are on a case by case basis. If the device has it's own power supply, often times they won't cause any problems. If, the device does cause a sleep problem while connected to the PCI card, often times a powered USB 2.0 hub between the device and the USB card will take care of the problem.
    Real world results- I have a Logicool QCam Ultra, a powered mouse-pad, a Wacom tablet, and a HP All-in-one printer connected to my USB 2.0 card. All devices work without causing sleep problems. I also have a 30gb iPod. If I leave the iPod connected when I command sleep, or if the computer goes to sleep while the iPod is connected, I cannot wake the machine. It requires a hard restart (holding the power button for 5 seconds) to bring the machine back. As long as I eject and disconnect the ipod, all is fine with sleep. To aid in the connect/disconnect, I leave the iPod cable connected to the PCI card, and leave the cable where it is easily accessed.
    Many people will inquire as to external USB hard drives-I say, firewire is better, period. USB HDD's and USB 2.0 PCI cards are the most common culprits with USB 2.0 incompatibilities. If you want headaches, use USB HDD'S and USB 2.0 PCI cards.
    Testing each USB 2.0 device, individually, will soon confirm whether or not special needs are required. I realize that most all of us are "plug it and leave it" conditioned, but, with some modification of habits, USB 2.0 can work, and work well, on non USB 2.0 native machines.

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