MS-6167 Memory Upgrade half being detected

Hi,
I built an Athlon K7 900mhz pc some years ago with Win XP, 128 MB RAM, 13G hard drive, award bios ver 1.6 (latest one) and now want to upgrade ram. I know this board goes up to 768mb ram but I can't find any info on MSI's website regarding this board. I purchased a single sided 256 MB of ram, info on the sticker said 256mb 32x8 SDR 133-4L pc100/66. My problem is that when I install the new 256mb stick only half is detected. I tried putting it in the other two slots, removing my existing memory but still only half of the 256 is detected.
Is there any way around this? Did I buy the wrong type of memory? I am sorry if I didn't provide enough info, I tried to think of everything you'd need to help me.
Thanks in advance.

the usual reason is the board cannot cope with modern memmory chip sizes
the cure is to get ram thats older with 2x as many chips on it
so if the dimm has 8 chips now get one with 16 but is still the same size

Similar Messages

Memory upgrade

Hi,
Can I install 2 x Crucial 4GB DDR3 - 1333 SODIMM 1.35V 204 PIN - CT51264BF1339J on a Macbook Pro 13 inch late 2011?
Currently, I have 4 GB (2 x 2 GB) and I want to upgrade to 8 GB. There is a controversial info regarding this particular memory module, some people say it is not compatible.
When I look to the specs I find:
204 PIN form factor = OK
1,35 V = OK
DDR3 = OK
1333 = OK
SODIMM = OK
Max 8GB = OK (2 x 4GB)
Latency= 9 cicles (same that stock modules supplied with the laptop) OK
The thing is Crucial, sell an identical specs module that costs quite more. They claim it to be compatible with Mac. The also sell this one I mentioned as being not compatible. The funny thing is that specs for both are identical. I only find a difference on the pricing. So I am really confused.
Do they one to sell me a more expensive one like being specific for Mac or there is a hiden specification that makes the two modules to differ from each other?
Can somebody confirm this info to me, please?
Many thanks in advance
Best Regards

News on this subject:
A Crucial support representative replied saying:
"Mac compatible memory is guaranteed to work in your specific system. There may be subtle differences in non specific memory that will cause it not to work for you such as chip solution and the configurations of chips..."
Well, I find it very ambiguous technically speaking. If they sell good quality memory as they claim, I do not see which subtle differences will affect the functionality. The chip configuration is standard and chip solution is about quality. So Crucial should be all right as everyone claims (even if manufactured in China)
So I went a head and both 2 x CT51264BF1339J for a very reasonable Belgian price and installed it into my system just two minutes ago. I am writing this using the mentioned system.
I was on Google after 30 seconds of taping the On button. Although it did not changed a lot as this startup timing is more related to the Hybrid 750GB HDD (SSD + Conventional Drive) I upgraded few months ago.
I upgraded the memory to run Virtual Box and Parallel desktop more easily though it worked quite good with 4GB. I did not upgraded to 16GB because it is not necessary on my usage. Only one virtual machine at once + E-mail + Browser + some PDF opened. Some technical stuff and nothing like Photoshop or similar. Thus the huge money difference would have gone for nothing if I buy the specific Mac modules of 8GB each as "Crucial Memory Upgrade Tool" subjected me.

MS 7309 Memory Upgrade

I have a question regarding a memory upgrade for the MS 7309 (K9)motherboard; A60 BIOS, Upgraded to 800Mhz DDR2 memory from 5400, with WinXp OS. I am experiencing system stability problems with both 2 Gb sticks installed, the system is stable on one stick, total upgrade 4GB. There was initially only 2Gb, 5400 installed.
Should I overclock my system or update the BIOS? And if I need to overclock is there a process or utility to use to do this. The currently installed overclocking center utility does not work, is there an updated one?

To figure out what bios version you have, >>use the MSI HQ Forum USB flasher<<. After starting the MSI HQ Forum USB flasher it will automatically detect your board's current bios and save the details in a file on your desktop called MSIHQ_INFO.txt. There you can read up the exact bios version. You can quote this details here to make it easier for others to help you[/b]

HP Probook 6450b Memory upgrade issue

Hi All,
I appear to be having a strange issue trying to upgrade the memory in a HP 6450b probook (i5-480m & ATI card). The laptop came with 2gb of p/n sps 598856-002 which is 1333mhz 1.5v ram with the manufacturer being ramaxel. I ordered and fitted a couple of 4gb kingston sticks
http://h30094.www3.hp.com/product/sku/10473659/mfg_partno/KTH-X3BS/4G
Fitted them and all seemed to be well as the OS (win 7 32bit pro) showed the stick as 8gb recognised and 3gb usable, the bios also reports 8gb as well. However the moment a 64 bit OS (Linux or Windows) is attempted to be run the laptop just crashes or hangs
I previously attempted this upgrade with two sticks of crucial memory but had exactly the same problem, so thinking the crucial memory was the issue I returned them to the supplier and ordered the kingstons instead.
I have seen very similar issue noted here:
http://www.tomshardware.co.uk/forum/328016-30-memory-upgrade-probook
and
http://superuser.com/questions/580512/hp-probook-6450b-not-booting-after-memory-upgrade
My gut instinct suggests this laptop may be very fussy about the memory chips, it may have to be a 16 chip 4gb stick as opposed to 8 chip 4gb sticks.
Any thoughts and help on the matter would be greatly appreciated.
Thanks
This question was solved.
View Solution.

You're very welcome.
Glad the lower density memory worked for you, and now you know what to look for the next time you plan on upgrading the memory on any HP notebook made in the last 8 years or so.

Inbuilt isight camera is detected in system profiler but no image is being detected only a black screen shows up. I have tried all of the troubleshooting instructions and it still wont work. The iMac im using is OS X 10.6 and was an ex-floor model

inbuilt isight camera is detected in system profiler but no image is being detected only a black screen shows up. I have tried all of the troubleshooting instructions and it still wont work. The iMac im using is OS X 10.6 and was an ex-floor model

Hi,
I would try a Safe Boot first. (This will take longer than a normal Boot and you will need to Restart afterwards).
If it were an older OS I would also suggest going to System Preferences > Displays and making sure the display is set to Millions. (My MacBook Pro does not have this option in Snow Leopard so I did presume Snow Leopard does not have it).
With some laptops there have been some issues with the cable up the back of the screen pulling loose with regular and frequent use of the lid, but this will not apply to you based on your specs. (it does take time to appear and is also somewhat rare). However it seems enough contact with the camera can make it appear in System Profiler and power it on but not give a pic.
If a Safe Boot does not work I would also try a PRAM reset.
Shut down the computer.
Restart it holding down Apple/CMD (or ⌘)+ALT( ⌥)+P+R Keys until you have heard three Start Up Bongs.
This is actually "less" destructive in that it clears less memory items than Safe Boot but they are different enough to warrant trying.
Do you have an older version of iGlasses installed ?
The one for Leopard does not work for Snow Leopard.
Do you have Web Browser open ?
This may point to Google Video Chat Plug-in and Flash Conflict. It would be rare to allow another app to access the camera even if not displayiong a Pic.
(Chrome Installs the Plug-in as does the standalone download).
Knowing what "any application" exactly you are trying might help us pin it down.
Any additional downloaded apps that can use the camera ?
Do you happen to have something balck in front of the camera ?
8:20 PM Sunday; October 9, 2011
Please, if posting Logs, do not post any Log info after the line "Binary Images for iChat"
 G4/1GhzDual MDD (Leopard 10.5.8)
 MacBookPro 2Gb( 10.6.8)
 Mac OS X (10.6.8),
"Limit the Logs to the Bits above Binary Images."  No, Seriously

[SOLVED]HDMI port not being detected

Hi everyone. Since the last update (which I did yesterday) the HDMI port on my laptop is not being detected anymore. Before everything was working as expected. The xrandr output is:
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192
LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
1366x768 60.0*+
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
VGA1 disconnected (normal left inverted right x axis y axis)
The graphics card is Intel HD 4000. here's the lspci output:
00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4)
00:1c.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 (rev c4)
00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation HM77 Express Chipset LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04)
02:00.0 Ethernet controller: Broadcom Corporation NetLink BCM57785 Gigabit Ethernet PCIe (rev 10)
02:00.1 SD Host controller: Broadcom Corporation NetXtreme BCM57765 Memory Card Reader (rev 10)
02:00.2 System peripheral: Broadcom Corporation Device 16be (rev 10)
02:00.3 System peripheral: Broadcom Corporation Device 16bf (rev 10)
03:00.0 Network controller: Atheros Communications Inc. AR9485 Wireless Network Adapter (rev 01)
I tried downgrading mesa, mesa-libgl and intel-dri to their previous versions (9.1), but it didn't help. Is anyone else experiencing anything similar? What are your suggestions?
Thanks in advance.
Last edited by Caspian (2013-03-24 09:20:36)

My X220 laptop has a DisplayPort which I plug in a DisplayPort to HDMI adapter to connect to a TV. Working fine here after I updated this morning. The X220 is Intel SandyBridge (HD3000 I believe).
$ xrandr
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 32767 x 32767
LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 277mm x 156mm
1366x768 60.0*+
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 connected (normal left inverted right x axis y axis)
1920x1080 60.0 +
1920x1080i 60.1
1280x720 60.0
1024x768 75.1 70.1 60.0
1440x480i 60.1 60.1
800x600 75.0 60.3
720x480 59.9
640x480 75.0 60.0 59.9
720x400 70.1
DP1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
HDMI3 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
DP3 disconnected (normal left inverted right x axis y axis)

Frequent kernel panic due to memory upgrade?

My 3.5 year-old MacBook Pro started to have increasingly frequent kernel panics a while ago, sometimes even several times per week. The Apple Store said it must be connected to the memory upgrade (from 2 to 4 GB). However, having the modules replaced with new Samsung ones provided little relief. Could both memory upgrades have compatibility issues or is something wrong with the mainboard? Right now, I am mostly running Win 7 in Bootcamp. The cursor will just freeze following an action such as trying to open a web site or formatting a row in Excel.
BTW, the most battery life the machine ever gave me was two and a half hours, regardless of whether I was running Snow Leopard (with Parallels) or Windows.
Thanks!
Kind regards,
Hans Christian, Oldenburg, Germany

well... the first time i got the kernel panic. it was text overlay on my screensaver that was running. The second time the computer just froze. I wonder though if the kernel panic would have eventually happened.
i keep noticing now that this iChat Agent slowly creeps up during the day to about 2GB Real Memory and 2.4 Virtual Memory. is this normal or causing the freeze??

Programs Quit Since Memory Upgrade

I recently upgraded my iMac G5 1.8GHz memory. I formerly had 1GB and 256MB modules; I removed the 256 and added a second 1GB module (this is the max allowed for this computer). Performance seems improved, but it does seem that some of my programs (iTunes, Real Player, Firefox, Lightroom) periodically quit without warning. Is there any reason my memory upgrade could be the cause of this?
Thanks.
Chris

CCCarter wrote:
I've heard two things about my memory question. One technical guy has told me you know immediately when you install bad memory, suggesting things would not work as well as they currently do if it was the module. But someone else has said that Lightroom is "adept" at detecting bad memory - I believe indicating that if there's a problem with the module, Lightroom's reaction to it would be an indication it was bad. I'm really not sure which person to believe on this. Any thoughts?
It would be nice if this were true but unfortunately it's not always that easy. Faulty RAM can sometimes cause intermittent problems that are difficult to diagnose. Dennis has a good suggestion in reseating the RAM. Another thing you can try is the AHT again but this time run the Extended test in a Loop overnight as it may not fail the first time you run it. It may take a few runs before an error is detected. Or just flat out remove the newly added RAM and test it with the original dimms.
George

System crash just got a memory upgrade and installed tiger.

When I was runnig panther and connected to net and at random times I get a message that read " Your computer needs be reset" . The message appears in several different langauges. When I was using Panther i did two clean installs of panther i still got the fore mentioned message. I thought installing tiger would take care of the problem but it didn't. i get the same message and a system crash. Is my mini shot?

Grizzo, what you're suffering from is known as a 'Kernel Panic'. It's not all that common, but it's not unheard of either. Kernel panics can be caused by a wide variety of things - often by memory problems (hence the previous poster asking whether your memory upgrade was done before or after you first started getting these) but can also be caused by other hardware issues, or even by software.
One thing that a kernel panic doesn't mean is that your mini is faulty. It MIGHT be, but it's also possible they're being caused by something you have installed on your mini, or a device connected to it.
First thing to try is to disconnect all external devices other than keyboard, mouse and screen and see if the mini panics then. If it doesn't, the problem is in something you had connected to it before. If it does, then it's in the mini (though some displays have been known to cause kernel panics too!).
You might find the page at http://www.macmaps.com/kernelpanic.html an interesting place to start.

Memory upgraded to 32 or 64gb? for iPad?

Hi,
I have a 16gb ipad2, is it possible to get the memory upgraded to 32 or 64gb?
The problem I have encountered is that when I syc the iPad with iTunes through my PC there is a message appearing to say that there is not enough memory on the iPad it requires 5.1gb more memory?
How can I resolve this problem please?
Thanks look forward to your responses, I hope it is easy as I am knew to the world of Apple?
Ian

How much space is your Other using? You may be able to reduce.
How Do I Get Rid Of The “Other” Data Stored On My iPad Or iPhone?
http://tinyurl.com/85w6xwn
With an iOS device, the “Other” space in iTunes is used to store things like documents, settings, caches, and a few other important items. If you sync lots of documents to apps like GoodReader, DropCopy, or anything else that reads external files, your storage use can skyrocket. With iOS 5, you can see exactly which applications are taking up the most space. Just head to Settings > General > Usage, and tap the button labeled Show All Apps. The storage section will show you the app and how much storage space it is taking up. Tap on the app name to get a description of the additional storage space being used by the app’s documents and data. You can remove the storage-hogging application and all of its data directly from this screen, or manually remove the data by opening the app. Some applications, especially those designed by Apple, will allow you to remove stored data by swiping from left to right on the item to reveal a Delete button.
 Cheers, Tom

Memory upgrade on iMac G3 700, help with system crashes

I tried to do a memory upgrade on my iMac, so I bought two kingston 256 MB PC133 modules, but none will work, the system starts, but hangs in about two minutes after loading the desktop. I went back to use the older memory module wich is an spectek, but I need the upgrade, any ideas?
Thanks!
FedericoMG.
Ps: Sorry about my english... I'm from Argentina... :-P

Hi Federicomg
The iMac 700 G3 should have been supplied with 1 stick of 256mb ram. However which is the correct type i am not sure as the Apple specifications for this model state PC100 whereas my iMac G3 700 graphite was supplied with 256 MB PC133-333 SDRAM
http://support.apple.com/specs/imac/iMacSummer2001.html
Apple profiler from my iMac this is the original supplied RAM from Apple:-
DIMM0/J13: Size: 256 MB
Type: SDRAM
Speed: PC133-333
1) I would re-instal the original ram and open system profiler to see what type the ram is.
2) Keeping the original stick in place add another stick of the new ram and look again in profiler to see if its recognised and again try the second stick to see if there's a problem with one of the sticks.
I am currently running my iMac with a small upgrade of RAM and the additional RAM is 128MB of PC100 and i have noticed the performance improvement since adding the PC100 so it's working and i have suffered no ill effects doing this..
paul..

Ipod not being detected on my dell latitude620

I just got a dell latitude 620 laptop
My ipod is being detected as a "device"
My ipod will charge, but itunes does not recognize it.
I've uninstalled itunes and reinstalled it twice.
And tried about 90% of what apple support suggests
There is nothing wrong with the laptop...that im aware of.
Please help
- manic mass

When you uninstalled iTunes, did you uninstall *everything*? Take a look at http://support.apple.com/kb/ht1925 , and make sure you completely uninstall iTunes, including the drivers, before you reinstall. If that doesn't work, you might try going back to the last version of iTunes you knew was working -- at least, that will eliminate the question of whether it is iTunes or the iPod. Lastly, sometimes rebooting either the computer and/or the iPod (remember the 5Rs) can sometimes solve the issue.

MS-6195 memory upgrade

Hi,
My system is based on Ms-6195 K7 pro and Athlon 700 mhz. 192 Mb Ram (128Mb module + 64Mb module)
Problem:
when I try to upgrade memory with a sdram 256Mb PC100 module, the memory test can't finish and my system don't boot.
Please can you tell me how configure coreectly the BIOS or tell how to do.

MS-6195 memory upgrade.
I have also tried using new PC100 256Mb memory and am getting nowhere.
The ones that I have bought are single sided, [8 chips on only one side]
and do not work with my motherboard, however, if I put them into another,
older PC, it shows up as 128Mb.
So I assume that the DIMM is working OK, and that the 'old' PC has a memory size limitation??
I have tried the same things as wbs and Grommit and got the same results.
So I assume that the answer is in getting older DIMMs, double sided with 8 chips on either side.
Does this seem to be about right???

Memory upgrade fail - Kernel panic after put old memories back

I People, this is my first post here and unfortunately is to report a problem, not to help friends.
I did an memory upgrade last weekend. After this, he will not boot normally, only in safe mode.
I discovered that they sent me 1333Mhz memories, and my mac (mid 2009) supports only 1066Mhz.
I put the old memories again, however I believe that the system did not recognize.
As you can see below, the system recognizes two modules:
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353237334448302D4348392020
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353637334648302D4346382020
It is not true, I' using now 2 x 2GB, DDR3, 1067 Mhz (stock)
I tried to reinstall the system, but when I try, I got crash again.
how can I solve this issue?
Interval Since Last Panic Report: 5298 sec
Panics Since Last Report:          6
Anonymous UUID:                    EAEB74C4-4B23-BCC2-1A48-B6FEB255C9FF
Mon Apr 1 16:37:33 2013
panic(cpu 1 caller 0xffffff800e0876ab): "Spinlock acquisition timed out: lock=0xffffff8011bff270, lock owner thread=0x10d9fb0aa, current_thread: 0xffffff801f873000, lock owner active on CPU 0xffffffff, current owner: 0x10d9fb0aa"@/SourceCache/xnu/xnu-2050.7.9/osfmk/i386/locks_i386.c:363
Backtrace (CPU 1), Frame : Return Address
0xffffff80f54fbd10 : 0xffffff800e01d5f6
0xffffff80f54fbd80 : 0xffffff800e0876ab
0xffffff80f54fbdb0 : 0xffffff800e06256b
0xffffff80f54fbf40 : 0xffffff800e0b7f69
0xffffff80f54fbfb0 : 0xffffff800e0ce3d1
BSD process name corresponding to current thread: diskarbitrationd
Boot args: config="\OS X Install Data\com.apple.Boot" root-dmg=file:///OS%20X%20Install%20Data/BaseSystem.dmg
Mac OS version:
12A269
Kernel version:
Darwin Kernel Version 12.0.0: Sun Jun 24 23:00:16 PDT 2012; root:xnu-2050.7.9~1/RELEASE_X86_64
Kernel UUID: 8D5F8EF3-9D12-384B-8070-EF2A49C45D24
Kernel slide:     0x000000000de00000
Kernel text base: 0xffffff800e000000
System model name: MacBookPro7,1 (Mac-F222BEC8)
System uptime in nanoseconds: 8887270925
last loaded kext at 1689458563: com.apple.driver.AppleUSBTCButtons     235.4 (addr 0xffffff7f8f6c7000, size 20480)
loaded kexts:
com.apple.driver.AppleUSBTCButtons     235.4
com.apple.driver.AppleIRController     320.15
com.apple.driver.AppleUSBTCKeyEventDriver     235.4
com.apple.driver.AppleUSBTCKeyboard     235.4
com.apple.driver.DiskImages.ReadWriteDiskImage     344
com.apple.driver.DiskImages.SparseDiskImage     344
com.apple.driver.DiskImages.UDIFDiskImage     344
com.apple.driver.DiskImages.FileBackingStore     344
com.apple.driver.DiskImages.HTTPBackingStore     344
com.apple.driver.DiskImages.RAMBackingStore     344
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.AppleUSBCardReader     3.1.0
com.apple.iokit.SCSITaskUserClient     3.5.1
com.apple.driver.XsanFilter     404
com.apple.iokit.IOAHCIBlockStorage     2.2.0
com.apple.driver.AppleSmartBatteryManager     161.0.0
com.apple.driver.AppleUSBHub     5.1.6
com.apple.iokit.AppleBCM5701Ethernet     3.2.5b3
com.apple.driver.AirPort.Brcm4331     600.15.20
com.apple.driver.AppleFWOHCI     4.9.5
com.apple.driver.AppleAHCIPort     2.4.0
com.apple.driver.AppleUSBEHCI     5.1.5
com.apple.driver.AppleUSBOHCI     5.1.5
com.apple.driver.AppleEFINVRAM     1.6.1
com.apple.driver.AppleRTC     1.5
com.apple.driver.AppleHPET     1.7
com.apple.driver.AppleACPIButtons     1.6
com.apple.driver.AppleSMBIOS     1.9
com.apple.driver.AppleACPIEC     1.6
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
com.apple.driver.AppleIntelCPUPowerManagement     196.0.0
com.apple.driver.AppleUSBMultitouch     235.7
com.apple.iokit.IOUSBHIDDriver     5.0.0
com.apple.driver.DiskImages.KernelBacked     344
com.apple.iokit.IOSCSIBlockCommandsDevice     3.5.1
com.apple.iokit.IOUSBMassStorageClass     3.5.0
com.apple.driver.AppleUSBMergeNub     5.1.5
com.apple.driver.AppleUSBComposite     5.0.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice     3.5.1
com.apple.iokit.IOBDStorageFamily     1.7
com.apple.iokit.IODVDStorageFamily     1.7.1
com.apple.iokit.IOCDStorageFamily     1.7.1
com.apple.iokit.IOAHCISerialATAPI     2.5.0
com.apple.iokit.IOSCSIArchitectureModelFamily     3.5.1
com.apple.iokit.IOUSBUserClient     5.0.0
com.apple.iokit.IOEthernetAVBController     1.0.2b1
com.apple.iokit.IO80211Family     500.15
com.apple.iokit.IONetworkingFamily     3.0
com.apple.iokit.IOFireWireFamily     4.5.5
com.apple.driver.AppleMCP89RootPortPM     1.11
com.apple.iokit.IOAHCIFamily     2.2.0
com.apple.iokit.IOUSBFamily     5.1.6
com.apple.driver.NVSMU     2.2.9
com.apple.driver.AppleEFIRuntime     1.6.1
com.apple.iokit.IOHIDFamily     1.8.0
com.apple.iokit.IOSMBusFamily     1.1
com.apple.security.sandbox     220
com.apple.kext.AppleMatch     1.0.0d1
com.apple.security.TMSafetyNet     7
com.apple.driver.DiskImages     344
com.apple.iokit.IOStorageFamily     1.8
com.apple.driver.AppleKeyStore     28.18
com.apple.driver.AppleACPIPlatform     1.6
com.apple.iokit.IOPCIFamily     2.7
com.apple.iokit.IOACPIFamily     1.4
com.apple.kec.corecrypto     1.0
Model: MacBookPro7,1, BootROM MBP71.0039.B0E, 2 processors, Intel Core 2 Duo, 2.4 GHz, 8 GB, SMC 1.62f7
Graphics: NVIDIA GeForce 320M, NVIDIA GeForce 320M, PCI, 256 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353237334448302D4348392020
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353637334648302D4346382020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8D), Broadcom BCM43xx 1.0 (5.106.98.100.16)
Bluetooth: Version 4.1.3f3 11349, 2 service, 11 devices, 0 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: ST9500420AS, 500.11 GB
Serial ATA Device: MATSHITADVD-R   UJ-898
USB Device: Built-in iSight, apple_vendor_id, 0x8507, 0x24600000 / 2
USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403, 0x26100000 / 2
USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x06600000 / 4
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8213, 0x06610000 / 7
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x06500000 / 3
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0236, 0x06300000 / 2

Hi BGreg,
I already reset the PRAM as you said.
I've cleaned the memory modules as indicated by Linc above.
Today I formatted my harddrive to try a clean install, but system crashs after 5%, 10%.
There is something making me worried:
In one of my tries, I opened the system view to check my actual hardware configuration, and to my surprise, the system shows me 8GB installed. Cannot be. I have 2 x 2GB.
Where my system stores this information? There is a way to reset it? I tried last hour install the snow leopard, that cames with my mac, by DVD, but does not worked too.
Thank you all so far.
Giuliano

Memory upgrade not working

I ordered 8GB memory for my imac mid-2011 model.
I then tried to install and all I'm getting is three beeps telling me there's something wrong with my memory.
I've tried all configurations but can't get the 2x4gb modules to work.
I've had to stay with only the original 2x2gb ones it came with.
Can anyone please help.
The only difference, besides the size, between the two modules is that on the 4gb ones is says PC3-10600S-9-10-F2 and the 2gb ones say all the same except instead of F2 at the end it's F1.
Cheers.

Which would seem to suggest that you may (unusually) have a doubtful memory module. Less unusually, you would have paid over the top for it.
Many people on these forums speak well of the following suppliers.
In North America contact OWC … Upgrade Apple iMac Memory
In Europe contact Crucial.com … RAM Memory Upgrade
Both companies have facilities to guide you and will recommend the correct memory package to meet whatever needs you describe to them.
There may be benefits buying from your own geographical location insofar as Shipping charges, Local sales taxes and Exchange rates. Check out the basic memory costs and do your sums next time you buy.

MS-6167 Memory Upgrade half being detected

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