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Memory Problems or CPU


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I have BSOD several times a day. Sometimes on bootup, sometimes running explorer, sometimes on shutdown.

Windows XPsp2 - clean install no other software installed

ASUS A8V Deluxe

AMD64 3800+

Corsair TWINX 1GB 3200LLPro

MSI FX5900XT128

SB Audigy


If I test with Windows Memory Tester boot disk I get errors always in the region of 9e300-9fc00.

I do not see these errors with Memtest86 v1.3.


What is the difference? Is the memory good? Do I have a bad CPU memory controller?

I have switched banks with the errors in the same region after switching.

Memtest86 shows CAS 2 3 2 6

The bios settings are all auto, but I have tried them hand selected with the same results.


What can I do to determine the cause

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  • Corsair Employees

With the modules installed in slots 2-4 (A2 & B2 ) please install the latest bios 1.006 beta 6 or newer and then load setup defaults and set the following settings.

Dim Voltage: 2.7 Volts

CAS Latency CL=2.0

Row Cycle Time tRC Bios Default

Row Refresh Cyc Time tRFC Bios Default

Ras# to CAS# delay tRCD 3

Row to Row delay Bios Default

Min Ras# Active Time tRAS 6

Row Precharge Time tRP 2

Write Recovery Time Bios Default

Write to Read delay Bios Default

Read to Write Delay Bios Default

Refresh Period tREF Bios Default

Enable 2T Timing Disabled

Then test the system with http://www.memtest.org and make sure it's stable! If you have problems, I would set Enable 2T Timings to AUTO and test it again!

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