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Asus P5wdg2-pro - 2xcm2x1024-6400c4 v2.1


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hello i'm newbie from italy

the question regarding the correct value of timings and voltage in Asus p5wdg2-pro with intel e6850 ( 3 Ghz 1333Mhz ) of my 2 2xcm2x1024-6400c4 v2.1 ddr2 , now i'm running 5-5-5-15-21 -volt 1,9 at 444 Mhz ..are this parameters correct ( the system recognized the ram :pc7400 ??? ) if i imput "auto " in spd ram parameter the system boot with pc3200 value ....ther's some tech table to read for increase the value of ram and his voltage to min or max for this DDR2?



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Next time, please check the FAQ forum first :)


XMS Qualification and Testing thread


Testing parameters for Twinx/XMS2-6400C4:

Twin2x2048-6400C4 Data Sheet


Motherboard make and model: Asus P5WD2 or M2N32-SLI Premium/Deluxe

Each pair is tested and packaged together using the following settings:

AI Over Clock Tuner: Manual

CPU External Frequency: Manually set to 200MHz

DDR2 SDRAM Clock: Manually set to 800MHz

PCI Express Freq: Auto

PCI Freq: 33.33

Performance Mode: Standard

DRAM Timing Selectable: Manual

SDRAM CAS Latency: 4T

SDRAM RAS to CAS Delay (tRCD): 4T

SDRAM Row Precharge (tRP): 4T

SDRAM Active to Precharge Delay (tRAS): 12T

SDRAM Write Recovery Time: 5

Write to Precharge Delay: 15 (If it's Listed)

Command Rate: 2T

DDR2 SDRAM Voltage: 2.1

Advanced voltage control

CPU Vcore offset:_Disabled

DDR2 Termination: 0.5x

CPU to NB HT:____1.200V

NB to SB HT:_____AUTO



SB Standby core:_+1.500V


Output driver control





Chipset Core Voltage: Auto

All other settings are motherboard defaults.

Maximum DDR2 recommended VDIMM: 2.1 Volts

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