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Dear sir,



AMD 64 3500+

Asus A8V deluxe mainboard

Corsair TWINX1024-3200XLPRO

Normal cooling, case ASUS A600A fan+ standard cpu fan, standard bios settings, no voltage changes at all.


System is unstable at times... pc was bought in aug 2004.

I first thought software was to blame, but lately have checked a few times with a clean system.


Memtest 86 testing did show errors however for one of the memory sticks.

In dual channel mode i get errors using mem86 test.


In single channel mode, the first one shows no errors at all after 8hrs testing


For the second one: errors in test #7 and #5, for 144,1mb and 160,1mb, these show a number of about 7-8 errors after only two hours of testing.


I use standard setting, also tried setting 2T, and the CAS, tRCD, tRP and tRAS by hand, same result...errors on while testing the second module.


At this moment i am inclined to think the problem is indeed due to the memory bank....


Whats is your opinion there?


And secondly, since i am in europe, are there different channels contacts should my reseller be unwilling to RMA it ? (they are sluggishly and evasive at this point)


Lot # 0429033-1 TWINX1024-3200XLPRO

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  • Corsair Employees

Please put the memory modules on either slots 1&3 or 2&4; make sure that you have the latest BIOS installed for your MB; load optimized/set up default, and set the following BIOS settings;

TwinX512 or TwinX1024-3200XL

Advanced CPU/Memory Configuration:

Memclock Mode: Limit

Memclock Value: 2:1 (DDR400)

Bank Interleaving: 4/Enabled

Burst Length: 8

SDRAM CAS Latency: 2T

SDRAM RAS to CAS Delay (tRCD): 2T

SDRAM Active to Precharge Delay (tRAS): 5T

SDRAM Row Precharge (tRP): 2T

2T Command Rate: Disabled

Jumper Free/Frequency Voltage Control:

AI Overclock Tuner: Manual

CPU FSB Clock: 200

DDR Voltage: 2.8 Volts

AGP Voltage: Default *unless you have ATI (9200 or 9600) or NVIDIA (5200 or 5700) then 1.6 Volts suggested!*

All other settings should be set to default settings!Then please test them one at a time with http://www.memtest.org and let's make sure it's not some other issue! I would run the test for at least 2-3 passes to be sure!

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  • Corsair Employees
RMA procedure is the same for everybody, regardless on your location; unless the place where you bought it from is willing to replace or take care of it for you. Please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!
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