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Bad Memory


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Motherboard: Asus P4C800 Deluxe

Bio Ver: 1019

CPU: P4 3GHz HT Socket 478

Memory: TwinX1024 3200LLPT (512 x 2)

Video: Ti4600

Sound: Audigy

CD-RW, Floppy and 80Gb x 2 (Stripe)



I bought these memory with the MB and CPU back in May of 2003, everything is working fine until last week or so. I was having problem with my WinXp crashing and getting the blue screen of death. I thought it was windows' problems due to all the stuffs that I have installed on to it but I did not have time to back up all the data to reload windows until yesterday. I was unable to install windows, file copy failure, the blue screen of memory errors..... I came to this support forums to double check if I have the correct Bio setting for the memory and other advise. Everything check out in the Bio setting the only left was to run Memtest. I ran Memtest on both memory installed, (USB disable) 38000+ errors was find on the memory. (See screen shot) Then I ran Memtest on each of the memory, discover only one was a bad apple.


I did contact NCIX, they said they only cover the first year of the warranty. Now what do I do? I hope you guys can help me on this!


Thank You.


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  • Corsair Employees

Please try the following BIOS settings;

TwinX1024 or TwinX512-3200LL

Advanced/Jumper Free

AI over clocking: Manual

CPU Freq: 200

DRAM Clock: 400 MHz

Memory or Dim Reference voltage: 2.75 Volts

System performance: Standard

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


Configure Dram timing by SPD: Disabled/User define

SDRAM CAS Latency: 2T

SDRAM RAS to CAS Delay (tRCD): 3T

SDRAM Row Precharge (tRP): 2T

SDRAM Active to Precharge Delay (tRAS): 6T

SDRAM Burst Length: 8

Performance Acceleration Mode: Enabled

USB Legacy Support: Disabled

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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The memtest were run with your BIOS setting stated above (same as my default setting) with USB Legacy Support DISABLED for each memory stick.

The memtest show I have one BAD memory stick out of the pair. I ran the test 3 completed passes for each memory stick. Attached are the screen shot for each memory stick tested.


IMG01 = The Good Stick

IMG02 = The Bad Stick (95000+ errors after 3 passes)


What is my next step?


Thank You



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