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RAM doesn't want to perform


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Hey all,


I recently replaced a bad stick of RAM with a part number CMX512-3200C2, and I am not sure when this occurred or if it is related...but my memory is only going at 160mhz (320mhz DDR). As reported by CPU-Z, my FSB - RAM ratio is 5-4 obviously. Even when I set my motherboard to have it go at 400mhz, after I reboot, its still at 320. I dont get it!


pentium 4 3.2ht

msi 875p neo fis2r (bios v2.4)

2x512mb corsair xms 400mhz ram (in dual channel mode)(2-3-3-6)

wd 160gb hd

sb audigy 2 platinum

tdk 48x24x48x cd-r

pioneer 4x dvd-r

420watt ps


Thanks for any help\



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  • Corsair Employees

Please make sure you have the latest BIOS installed in your MB and load optimized/optimal default settings, and try the following BIOS settings;

Advanced Chipset:

Memclock Mode: Manual (400)

Bank Interleaving: 4/Enabled

Burst Length: 8

SDRAM CAS Latency: 2.5T

SDRAM RAS to CAS Delay (tRCD): 3T

SDRAM Active to Precharge Delay (tRAS): 7T

SDRAM Row Precharge (tRP): 3T

Frequency Voltage Control:

Spread Spectrum: Enabled

CPU FSB Clock: 200

DDR Voltage: 2.7/2.75 Volts

AGP Voltage: Default *unless you have ATI (9200 or 9600) or NVIDIA (5200 or 5700) 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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those are the exact same specs as your previous post. i did try the motherboard on both manual memory speed mode (set to 400mhz) and automatic, both producing the same result. memtest86 came up clean after an all night (11hrs) test but thats only running at 320mhz! is there anything else i could try?
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