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Upgrade? Yes, no, maybe? - Page 2

post #11 of 15
Thread Starter 
Quote:
Originally Posted by auraofjason View Post

The higher clocks you go, the more and more voltage you need (example: 1.375v=3.6ghz stable, 1.4v = 3.8ghz stable, then suddenly you need at least 1.5v for 4ghz stable). I'm not sure what voltage you're at now, but I would try more (talking about cpu vcore btw).
Well, I had upped the CPU voltage to 1.40 and in windows according to HWMonitor i was staying around 1.45-1.48. I was thinking more toward the RAM being the culprit and needing more voltage but it shouldnt if i lowered the divider correct? I guess that would probably be the cpu voltage then.. I am using my netbook right now and the sig rig has been running at 3.6 for almost 6 hours now in p95 while staying at 51c.
post #12 of 15
Quote:
Originally Posted by Theroty View Post

Well, I had upped the CPU voltage to 1.40 and in windows according to HWMonitor i was staying around 1.45-1.48. I was thinking more toward the RAM being the culprit and needing more voltage but it shouldnt if i lowered the divider correct? I guess that would probably be the cpu voltage then.. I am using my netbook right now and the sig rig has been running at 3.6 for almost 6 hours now in p95 while staying at 51c.

Wouldn't lowering the divider would make the RAM run faster?

Did you test your parts separately to see each ones limits? How high can you take the reference clock? 266Mhz would get you 4Ghz at x15.

BTW I think 1.4v seems high for 3.6Ghz, but I guess each rig is different.
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post #13 of 15
Thread Starter 
lowering the divider brought it from 17xx mhz to 1384 so I think that is slower yes? The voltage is not at 1.4 for 3.6. Its at 1.35 for 3.6. I had at 1.4 for 3.8. No I didnt test the parts by themselves and I believe the reference clock will go well past 266.
post #14 of 15
Quote:
Originally Posted by Theroty View Post

lowering the divider brought it from 17xx mhz to 1384 so I think that is slower yes? The voltage is not at 1.4 for 3.6. Its at 1.35 for 3.6. I had at 1.4 for 3.8. No I didnt test the parts by themselves and I believe the reference clock will go well past 266.

Okay, I was thinking divider being 4: 3000/4 = 750
Lower divider of 3: 3000/3 = 1000

thats how it worked on my athlon anyway.

You should test you parts separately so you know how far each can go, and then when you have a problem you can rule out which parts are not causing it.

If you lowered the RAM speed then you shouldn't need more voltage, especially since you are now slower than stock. If it is still unstable then it isn't RAM unless a chip is bad.
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post #15 of 15
Something else to remember. The 41xx chip has lower ipc. So even tho u can overclock to a higher frequency, the performance of the new 4170 may not even reach the potential of your current PII chip. The 6100 would get you closer to what you have now and the 8120/8150 would pass it up. I have an 8120 and love it...however if you are looking at upgrading, hang in there. The piledriver chips look promising. It looks like you will see a 15% performance increase over the bulldozers. So if you like the 41xx it wouldnt hurt to wait on piledriver. Btw the 15% is based on trinity, so without a built in gpu, hopefully we may see a little better than 15%...but don't bet ony it...just be hopeful :-)
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