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XMS with AMD


bird2132

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I purchased my system from Alienware in 12-03. Since that time I have had frequent crashes when I play games. It happens when I play World of warcraft and Battlefield. I purchased 2 512 sticks of ram matching excatctly what the system came with with no difference. I now have a total of 2g of ram.The memory installed is Corsair XMS 2-2-2-5 DDR 512 PC3200 XMSX. I wonder if it's a latency timing issue. If so how do I change those settings with out harming my system. It's an AMD Athlon 64 FX-55 Processor. Thank you.
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Ok I hope this helps.

 

Current FSB Frequency 200MHz

DRAM Freq 200MHz

DRAM Clock DDR 400

 

Command rate 2T

CAS Latency Time 2.5

RAS# to CAS # Delay 2 clocks

Min RAS # active time 5 clocks

RAS # precharge time 2 clocks

row cycle time 11 clocks

row fersh cycle time 14 clocks

ras to ras delay 2 clocks

write recovery time 3 clocks

write to read delay 2 clocks

read to write delay 3 clocks

 

 

Ramdom stuff i found in the BIOS that I thought might help.

 

LDT BUS Frequency fsb X5

Memory Hole disabled

v-link data rate 8x

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And....

 

AMD Ferquency 2652 MHz

 

Voltage conrtol

CPU core 1.500v

AGP VDDQ 1.55v

DDR SDRAM 2.70v

NB 1.55v

SB 2.50v

Hypertransport 1.20v

CPU operating speed external clock 204/68/34 MHz

Multiplier X13.0

AGP Ratio CPU:AGP:PCI 6:2:1

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  • Corsair Employees

I would set the memory voltage to 2.8 Volts and with 4 modules you should relax the timings so I would try these settings and test the system with http://www.memtest.org.

 

Voltage conrtol

CPU core 1.500v

AGP VDDQ 1.55v

DDR SDRAM 2.80v

NB 1.55v

SB 2.50v

Hypertransport 1.20v

CPU operating speed external clock 200/66/33 MHz set this manually

Multiplier X13.0

AGP Ratio CPU:AGP:PCI 6:2:1

Current FSB Frequency 200MHz

DRAM Freq 200MHz

DRAM Clock DDR 400

 

Command rate 2T

CAS Latency Time 2.5

RAS# to CAS # Delay 3 clocks

Min RAS # active time 7 clocks

RAS # precharge time 3 clocks

row cycle time 11 clocks

row fersh cycle time 14 clocks

ras to ras delay 2 clocks

write recovery time 3 clocks

write to read delay 2 clocks

read to write delay 3 clocks

Then test the system and if its more stable you can tweak the timings to get best performance.

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  • Corsair Employees
The minimum suggested voltage for these modules would be 2.75 Volts and this MB may not have that option so 2.8 Volts would be suggested, but as long as you dont go over 2.9 Volts if the modules ever fail we will replace them
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It looks like the part # is cmx512-3200 XL

So far I have played Battlefield 2 for almost an hour now where before I was only able to play for 20 mins max. So far so good. Everything looks rocksolid.

I'll keep you updated on the status.

Thank you very much for the quick responce's and all the helpful information.

Great job!

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