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Opty 165 2.6GHz not stable with 2GB of RAM

post #1 of 6
Thread Starter 
I can't get my Opty 165 to be stable at 2.6GHz. I tried 290*9 and 325*8 it boots to windows but SuperPI unstable. Tried Vcore up to 1.55 but that didn't help. My system became unstable when I Upgraded from 1GB to 2GB RAM. I had no problem running @2.6GHz with jus 1 gig of ram. Any suggestions ?
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post #2 of 6
Have you tried a 2T Command (CPC) on the RAM .. and what is your vdimm and ht "X" @ for the RAM ?
    
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post #3 of 6
Thread Starter 
My ram is rated at 2.6 - 2.8V I tried 2.7 and 2.8 running on a Divider DDR333 @1T. The thing is that my previous ram was also a DDR500 and I had absolutely no problem running it at 260MHz @1T.
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post #4 of 6
if you run a 333mhz divider at 290htt, than your ram is running at 240mhz, which, unless it's ddr500, will be really difficult for 1gb sticks to overclock to at their rated ddr400 timings. Run memtest to see if you ram stable at that speed.
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post #5 of 6
Let me guess... you now have four sticks of 512 MB? Well you're going to have to run it a bit slower than before because AMD just can't handle four sticks like intel can. Try relaxing the timings and/or lowering the clock speed of the ram. Also use memtest as a primary stability test... then after you get no errors on that move on to prime 95.
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post #6 of 6
Thread Starter 
I'm running 2 sticks (see my signature) on a divider @240MHz (290*9). My ram is a DDR500 and should be able to run 240MHz easily. My timings are 3.4.4.8
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AMD Opteron 165 Abit KN8 Ultra XP Pro Samsung LCD 
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OCZ PowerStream 520W Thermaltake Tsunami 
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CPUMotherboardOSMonitor
AMD Opteron 165 Abit KN8 Ultra XP Pro Samsung LCD 
PowerCase
OCZ PowerStream 520W Thermaltake Tsunami 
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