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CMX512-3200C2 not running to claimed speeds / RMA request

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Asus A7N8X-Deluxe

AMD Athlon XP 3000+ OEM (200mhz FSB)

Corsair XMS PC3200 DDR 512MB 1 X DIMM

Sapphire ATi Radeon 9800 Pro 128MB DDR

NEC 16x Dual Layer DVD-RW/CD-RW

Lian-Li PC65-B

Antec TrueBlue 480w ATX PSU


I just upgraded the CPU from a 2100+ to a 3000+, which gave me a 200mhz FSB, which is compatible with my A7N8X-DLX motherboard. The CPU will run fine and is recognized correctly at these speeds. I set everything up in the BIOS (latest BIOS rev. installed) and set the FSB to 200mhz (400DDR). If I set the RAM frequency to 200mhz, with latency settings set to [Auto]- my PC freezes up or gets unreference memory errors when playing 3-d games. I've tested the problem with Doom3, Quake3Arena, Tribes, Counter Strike:Source, and Half-Life2. I can play for either a very short amount of time (as soon as I get in-game) or sometimes it will allow me to play for 10 minutes or so.


The onboard "Asus Speech Reporter" sometimes says "System failed memory test". This happens no matter what memory frequency I have the DIMM set to. I do not know if this is related to the crashing of 3-d applications.


If I bump the Memory frequency back down to 166mhz, still using the [Auto] latency settings, I have no problems.


I bought this specific set of memory 3-4years ago specifically because I wanted to use it when 200mhz CPUs were available for my motherboard. It was purchased either from Monach or Newegg, as all my components always come from them (usually newegg).

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  • Corsair Employees

Please make sure that you have the latest bios and then load setup defaults and set the to 2.7 Volts. Then test them one at a time with http://www.memtest.org. If you do find one failing then lets get it or them replaced. Please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!

However; if you get errors with both modules, that would suggest some other problem. And I would try testing the memory in another system to be sure.

CPU Freq: 200 MHz

System Performance: User Define

Memory Frequency: 100%

Dim Voltage to 2.7 Volts

Resulting Frequency: 200MHz

Memory Tinings: Manual/User Define

SDRAM CAS Latency: 2.5T

SDRAM RAS to CAS Delay (tRCD): 3T

SDRAM Row Precharge (tRP): 3T

SDRAM Active to Precharge Delay (tRAS): 6T

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  • 1 month later...

Sorry it took so long to reply, been really busy this summer- and I bought some substitute RAM to replace this stick for the time being


(Corsair branded, actually haha)


Anyways, I failed memtest86+, It ran for well over an hour, but it eventually failed.


The Corsair ValueSelect 512MB Pc3200 runs fine on my system @ 200mhz, so I believe it is this chip.


I'm going to fill out an RMA request form now.

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