The Official Opteron 939 Overclocking Thread

[asianguy80]

yea 50's were too high. I am using an xp90 w/ 92mm panaflo u1a

well I dropped it to stock volts and slowly worked my way up from 250 in clockgen up to 280 before superpi failed. i then went back into the bios and set it at 280 to boot and superpi'd again and ran prime95 at the same time and tried upping it 1mhz at a time and it failed at loop12 on 281HTT this is all 1:1 here is a screen



FX Speed's with temps @ 35C this time high volts were kiling my OC

edit: i'm gonna go take a shower and let it prime a while then try some more. maybe i'll have some luck afterwards

[dinos22]

FX Speed's with temps @ 35C this time high volts were kiling my OC

i reckon you should start OCing from lower volts up rather than max down because heat may be killing your OCs

another monster

[dogsx2]

yea 50's were too high. I am using an xp90 w/ 92mm panaflo u1a

well I dropped it to stock volts and slowly worked my way up from 250 in clockgen up to 280 before superpi failed. i then went back into the bios and set it at 280 to boot and superpi'd again and ran prime95 at the same time and tried upping it 1mhz at a time and it failed at loop12 on 281HTT this is all 1:1 here is a screen


FX Speed's with temps @ 35C this time high volts were kiling my OC

High Vcore does not equal high HTT. I think 1.52v is going to be about the top average. I can believe you were in the 50's at 1.68, surprised it didn't die on you. I was mid 40's when I first put it in at 1.5v. I sure hope the 146's do as well as the 144's. It would be nice to run 1:1 on memory.

Good job, keep posting results.

[dogsx2]

Team Japan:

S939 Opteron seems has an excellent tolerance at CPU rated voltage.
On the other hand, I found that any higher Vcore would hardly any help to get higher clockspeed

[asianguy80]

High Vcore does not equal high HTT. I think 1.52v is going to be about the top average. I can believe you were in the 50's at 1.68, surprised it didn't die on you. I was mid 40's when I first put it in at 1.5v. I sure hope the 146's do as well as the 144's. It would be nice to run 1:1 on memory.

Good job, keep posting results.

do you think I damaged the chip by stupidly going so high on the vcore. I honestly don't know WTF I was thinking ATM.

[alpha0ne]

do you think I damaged the chip by stupidly going so high on the vcore. I honestly don't know WTF I was thinking ATM.

A lot depends on how long it was left running at such high Vcore and if it overheated

Your best way to check is to set HTT and Vcore to default and see if it still works OK and then see if your chip will still OC to say ~ 2.4Gig @ default Vcore (which it should on most good chips)

[asianguy80]

A lot depends on how long it was left running at such high Vcore and if it overheated

Your best way to check is to set HTT and Vcore to default and see if it still works OK and then see if your chip will still OC to say ~ 2.4Gig @ default Vcore (which it should on most good chips)

It didn't post and i had to reset the cmos. but I have it running now at 280 1:1 at stock volts 1.4. in cpuz it shows as 1.388