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CM2X512-5400C4 P5AD2 Deluxe


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I have a set of CM2X512-5400C. I have installed these modules in Asus P5AD2 Deluxe. About 3 times a day the blue screen pops up and complains about a memory location and reboots the system. After this goes on for awhile, the hard drive becomes corrupted and it has to be rebuit.


I have put these modules in another system with the same motherboard modle but different video card and drives and got the same results. I have replaced the memory with different modules and all is well on both systems.

Bios is the latest, cooling is good, timming is standard 4-4-4-12. Default settings, all internal devices dissabled, no other cards. Just video PS2 mouse and keyboard, HD, floppy, and CD.


May I have an RMA number?


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  • Corsair Employees

Please make sure that you have the latest BIOS for your MB and load Setup/optimized default settings, and try the following BIOS settings;

Twin2X1024 or Twin2X512-5400C4

Advanced/Jumper Free

AI over clocking: Manual

CPU Freq: 200

DRAM Clock: 533 MHz

PCI Express Frequency: Auto

PCI Clock: 33.33 MHz

Memory or Dim Reference voltage: 1.9 Volts

System performance: Auto


Configure Dram timing by SPD: Disabled/User define

SDRAM CAS Latency: 4

SDRAM RAS to CAS Delay (tRCD): 4T

SDRAM Row Precharge (tRP): 4T

SDRAM Active to Precharge Delay (tRAS): 12T

Hyper path 2: 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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