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TWIN2X2048-6400 & Asus P5B deluxe problem

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I bought a Twin-Set of CM2X1024-6400-Modules with my new PC. When I bought it, I really had problems installing progs. I downloaded memtest86+ v1.70 and tried it. Many errors on one of the modules. I changed slots, tried only one module and it worked.

Opend BIOS and saw, all RAM-settings were AUTO. So I searched this forum for help and set the RAM to 5-5-5-12 1,9 Volts. No change. I tried 5-5-5-15 and 5-5-5-18. Didn't help.

Any idea if it is a settings-prob, or is one of my modules faulty?

Any help would be appreciated!



Oh, my system:

Asus P5B deluxe

Intel E6600 2,4GHz

Corsair TWIN2X2048-6400

MSI 7600GT

System is not overclocked!

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Actual settings in BIOS:


Memory Remap feature: DEACTIVATED

Configure DRAM Timing by SPD: DEACTIVATED

DRAM CAS# Latency: 5

DRAM RAS# to CAS# delay: 5 DRAM Clocks

DRAM RAS# Precharge: 5 DRAM Clocks

DRAM RAS# Activate to Precha: 12 DRAM Clocks

DRAM Write Recovery Time: 5 DRAM Clocks



Rank Write to Read Delay: 10

Read to Precharge Delay: 10

Write to Precharge Delay: 15

Static Read Control: Auto


CPU Frequency: 266

DRAM Frequency: DDR2-800MHz

Memory Voltage: 1,90V



Still getting errors testing both modules together and testing one of them single. Second module runs ok.

Any suggestions? Please help!

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