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Windows 7: Is my motherboard faulty after damaged my RAMs?

19 Sep 2010   #1

Windows 7 Ultimate x64
Is my motherboard faulty after damaged my RAMs?


I have used ASUS P5Q-EM motherboard since January. It had 8 GB (a couple of paired 2x2048 kits) Corsair 1066Mhz RAM (dual-channel). It had infrequent crashed which I was unable to determine what was the cause. I installed them in pairs.

Two weeks ago, Windows 7 highlighted that 1st kit of 2x2048 RAM was faulty which are replacing. Two days ago, 2nd set of 2x2048 became faulty too.

I discovered that those are compatible to asus p45q-em motherboard if properly applied according to the ASUS mobo manual/guide (P5Q-EM Manual). So I got replacements for those faulty RAMs which I will sell them off and buy 2 x 2 kits of RAM in total 8GB which works in 2xpairs with the accordance to the manual

Corsair RAMs I used are dual channel kits but does not work in pair on my mobo which caused instability and damaged my RAMs. According to the manual, it can be used a single channel only. I learnt the hard way that a certain paired kits of RAM does not always works on dual channel mobo. eg corsair twin dominator (CM2X2048-8500C5D)

So i had to get RAMs that support 4 modules,which meets the asus mobo manual's compatibility list, inserted into blue & black slots as two pairs of Duel-channel memory configuration. eg 2 x 2 kits of 2048 Geil (GX24GB8500C5UDC) works on Asus p4q em mobo.

I found RAMs are faulty by using memtest86+ and windows diagnostic test. But how do I determine that my mobo is not faulty and wont affects my new RAMs? Can faulty RAMs affects my mobo?

Thanks kindly in advance.


My System SpecsSystem Spec
19 Sep 2010   #2

Windows 7 Home Premium 64bit

Althoug Time Consuming, the best method would be:

1) Remove All RAM from the system

2) Insert the 1st module in the very first DIMM slot.
Test & record the results.

3) Remove the module and set aside, and put in the next module
(Still in the very first DIMM slot and still only 1 RAM module)
Test & record the results.

4) Repeat until you have tested all RAM modules in the Motherboards first DIMM slot.

At this point you may have all of them Pass, Fail, or a combination of both.

keep things organized and recorded so you know which failed, or passed in that slot.

Move to DIMM slot 2, testing a single RAM module (repeating step 1 & 2)

Continue the process onto DIMM 3 and 4 etc.

This process will help you pinpoint if it is in fact a RAM issue, or a MOBO issue.

For example, if Module 2 fails in every slot, but Modules 1,3 & 4 pass .... Then Module 2 is likely defective.

If all 4 modules pass in say DIMM slot 1,2 & 4, YET Fail in DIMM slot 3 ... The RAM is fine, but the Motherboards DIMM slot 3 may be defective.
My System SpecsSystem Spec
05 Oct 2010   #3

Windows 7 Ultimate x64

Hi Wishmaster,

Thank you for reply. I have carried out all RAMs and slots as you suggested. I discovered that all my four RAMs (a pair of dual channel) are faulty and my motherboard is free from errors.

I ve tested them by using memtest86+. However, I installed new Geill (2xduel channel) RAMs and unexpectly error:

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7600.
Locale ID: 2057

Additional information about the problem:
BCCode: 3b
BCP1: 00000000C0000005
BCP3: FFFFF88005EA6F70
BCP4: 0000000000000000
OS Version: 6_1_7600
Service Pack: 0_0
Product: 256_1

Files that help describe the problem:

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What are they, I hope it is only software problem?

Thanks kindly in advance

My System SpecsSystem Spec


 Is my motherboard faulty after damaged my RAMs?

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