Question about ASUS P5RD2-VM Motherboard

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Why does my comp didn't run Dual channel ?

This is my mainboard specs (from PC Wizard 2008):

Manufacturer : ASUSTeK Computer INC. (Asus) Product : P5RD2-VM 
Version : Rev 1.xx 
Serial Number : MB-1234567890 
Support MP : Yes, 1 CPU(s) 
Version MPS : 1.1 

Bios informations:
Manufacturer : American Megatrends Inc. 
Version : 1002 

Memory Information :  

Type : DDR2-SDRAM PC2-5300 
Frequency : 332.9 MHz 
Supported Channels : Dual (128-bit) 
Activated Channels : Single 
ECC Diagnostic : No 
CAS Latency (tCL) : 5 clocks 
RAS to CAS (tRCD) : 5 clocks 
RAS Precharge (tRP) : 5 clocks 
Cycle Time (tRAS) : 15 clocks 
Shared Memory (video) : Yes 

These two RAM sticks are identical, bought at the same time from one vendor. I don't understand why they don't run in Dual channel mode. Could you please tell me why ?

Thank you very much.

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  • 71 Answers

Go into your BIOS and activate dual channel mode.

please also note that several motherboard required you to put the modules in certain slot configuration (such as in slot 1 and 3 or 2 and 4) but if you got only 2 slot then forget about this slot configuration.

Posted on Nov 04, 2008

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