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TWIN2X4096-6400C5 G with ASUS P5B-Plus BIOS Settings


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I'm getting mad finding the right BIOS settings. PLEASE help me!!!!



Here are my BIOS settings:


CPU Frequency: 333

DRAM Frequency: DDR2-667MHz

Spread Spectrum: Auto

Memory Voltage: Auto


Memory Remap Feature: Disabled

Configure DRAM Timimg by SPD: Disabled

DRAM CAS# Latency: 5

DRAM RAS# to CAS# Delay: 5 DRAM Clocks

DRAM RAS# Precharge: 5 DRAM Clocks

DRAM RAS# Activate to Precha: 18 DRAM Clocks

DRAM Write Recovery Time: 2 DRAM Clocks



Rank Write to Read Delay: 10

Read to Precharge Delay: 10

Write to Precharge Delay: 10

Static Read Control: Auto


Can you PLEASE provide me with the correct settings.

Is it even correct that the DRAM Frequency is only 667MHz? I also can set this to 833MHz but that is too much, right? So the 667MHz-setting is slowing down my machine?


Thank you very much!


Best regards,


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  • Corsair Employees

According to the information on the CPU Support List it will run that CPU but not at 1333 FSB

beta,Due to chipset limitation, 1333FSB processors can only run at a maximum speed of 1066FSB on this motherboard.


That is why you are limited to DDR667 on the memory, if you want to run it this way I would suggest just using the Auto timings and you should be fine as far as the memory goes but I would suggest newer MB for better performance.

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