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Can a GA-K8NSNXP 939 support 2 Gigs of RAM at 400MHz


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Just as the title of the post says....


When i use 4 512MB sticks the system will not boot up with any clock speed higher than PC2700 or 333Mhz....it only runs 400Mhz with 2 512 sticks


i really want to upgrade my RAM to 2 Gigs....


What can i do...


Buy 2 1024MB sticks...? will that allow me to run PC3200 with more than a Gig


or somehow change a setting or two?


Please help.


Detailed Setup


AMD Athlon 64 FX-55

Ga-K8NSNXP 939 Nforce 3 Mobo

1 GB Corsair 1024XL (2.5-3-3-6)

E-Vga 6800 GT

Ultra X-Connect 500 Watt PSU

Arctic Silver 5 Thermal compound

Lite on Dual layer DVD-RW

Lite on DVD-ROM

ThermalTake Xaser III case

2 40 Gig Western Digital Raptors in Raid - 0

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  • Corsair Employees

The Gigabyte GA-K8NSNXP MB has a limitation to it; that if installed with 4 double sided memory modules, the board will only support 333MHz speed of memory; but please double check this with Gigabyte. You can try ahead and set the following BIOS settings and see if this fixes the problem, but before setting the settings accordingly; please make sure that you have the latest BIOS installed, and load set up/optimized default 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: 2T

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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