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3200-XLPro in dual channel


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I have recently built myself a new system with TwinX 1024 XMS3200XLPro modules in it. The system (right from the start) was restarting randomly. I have now narrowed down the problem to something to do with the ram, in singke channel (slots 1+3, 2+4) it runs fine, but in dual channel (slots 1+2, 3+4) it crashes. Also in single channel, prime 95 torture test runs happily but in dual channel it crashes out after 1-3 minutes.


Can someone please help?


System Specs:

GigaByte GA-K8NSNXP-939 (NForce 3 Ultra)

Athlon 64 FX-53 (2.41Ghz)

Thermaltake Silent Purepower 560W PSU

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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;

TwinX1024 or TwinX512-3200XL

Advanced Chipset Features (Ctrl + F1)

DRAM Clock: 400 MHz

Configure Dram timing by SPD: Disabled/User define

SDRAM CAS Latency: 2T

SDRAM RAS to CAS Delay (tRCD): 2T

SDRAM Row Precharge (tRP): 2T

SDRAM Active to Precharge Delay (tRAS): 5T

SDRAM Burst Length: 8

SDRAM Bank Interleave: 4/Auto/Enabled

SDRAM Command Rate: 1T

Frequency Voltage Control

CPU Freq: 200

Memory or Dim Reference voltage: 2.7/2.75 Volts (+.2)

AGP Voltage: Default *unless you have ATI 9200 or 9600 then 1.6 Volts suggested!*

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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