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Bad Memory Module


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Well, my problems started about a month ago. Everything worked great before this. I had random system crashes/reboots, applications quit for no apparent reason, and games would slow to the point of unplayable. Thinking maybe my operating system needed to be re-installed, I proceeded to reformat my computer. Upon re-installing Windows XP Pro, I received many error messages related to not being to find files on the CD. Every time I tried it was a different file. Now this is a near new CD I was installing from with no scratches. After that didn't work I attempted to install Windows 2000. Upon trying to copy the files to the hard drive during setup I received I/O error messages and "not able to read memory address <0x0000:0000>"(unfortunately I didn’t write down the memory address). That’s the point I knew it was the RAM. I had old memory lying around and put it in my system. I installed windows XP flawlessly. After getting my system setup again, I put the faulty memory back in and ran a game. Within 5 min the game crashed to my desktop and another error message "not able to read memory address <0x0000:0000>", I clicked the "OK" button and system rebooted. Put the old stuff back in and computer works again. Therefore I would like to request an RMA #. System Specs Below. Thanks.


Motherboard: Asus P4P800-E deluxe

Bios ver: 1002 (never over clocked or changed memory settings from default SPD, everything is set to default)

CPU: Intel P4 3.0Ghz

FSB: 800Mhz

OS: Windows XP Pro with SP2


Memory Specs:

2x 512Mb XMS3200 TWINX Modules

Part # CMX512-3200LL

Version 1.2

Lot # 0338055

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Please try the following settings and then test the modules one at a time with http://www.memtest.org.

System performance: Auto

CPU Freq: 200 MHz

Memory Frequency: 400DDR/200Mhz

Dim Voltage to 2.75 Volts


Resulting Frequency: 400DDR/200MHz

SDRAM CAS Latency: 2T

SDRAM RAS to CAS Delay (tRCD): 3T

SDRAM Row Precharge (tRP): 2T

SDRAM Active to Precharge Delay (tRAS): 6T

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Okay, used the above settings and ran Memtest seperatly for both modules. The first module I tried had 2955 errors. The second module had 0. Are these the memory settings I should normally be using with my Motherboard/RAM combo? I never really knew how to get the best proformance out of memory timings, so I always left it up to SPD. Thanks
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