The Official Dual Core Opteron Overclocking Thread

[alpha0ne]

Yep

Good luck

[Delirious]

SP20004 is not the real Prime95!
Try it with Prime95 Version 24.14 and it will be not os easy to get it stable 48hours by the same settings!!!

actually it is, taken from the stress prime site,

"SP2004 uses a redesigned user interface that calls Version 23 Prime95's torture test code. This should provide the same results as Prime95, just displayed in a different manner."

might not be the latest version of prime but it works just as well.

[derektm]

actually it is, taken from the stress prime site,

"SP2004 uses a redesigned user interface that calls Version 23 Prime95's torture test code. This should provide the same results as Prime95, just displayed in a different manner."

might not be the latest version of prime but it works just as well.

Thanks for backing me up

[Sorrow13]

derektm, what water setup you using? ill have a dc opty soon, and im curious to see how mine'll do. Ive got a swifty kit in the mail, and an x2 3800 now.

[derektm]

derektm, what water setup you using? ill have a dc opty soon, and im curious to see how mine'll do. Ive got a swifty kit in the mail, and an x2 3800 now.

Im using 1/2" tubing with these parts: Dangerden D5 (aka Laing D5) pump, Swiftech Storm block, and a dual heatercore with 2 120mm Sanyo Denkis fans @ 7volts. Handles heat really well. Good luck with your setup!

[lopri]

Well.. maybe he knows something..

I have no doubt on derktm's results, but do have a bit of reservation on SP2004. Say, if I were to buy a CPU based on someone's OC results, I'd rather like to see the original Prime95 results. There *is* a way to abuse SP2004. (I'm not telling you, so don't ask. :P )

Like I said, I totally trust derek and envy his awesome CPU. (Will buy if he wants to sell!) I'm just talking about SP2004.

[derektm]

SP20004 is not the real Prime95!
Try it with Prime95 Version 24.14 and it will be not os easy to get it stable 48hours by the same settings!!!

Heres for you Rufus...

[nealh]

damn nice cpu there

I wish I could luck into something that nice

[uOpt]

48 hours? isnt that a tad overkill

No. It is what Prime95 recommends.

I personally had a lot of overclocks failing in the window between 24 and 36 hours.

[Absolute_0]

derektm you better be running 2.9 Ghz RIGHT NOW . I wanna see how many volts it takes. 1.475?

[unclean]

Hey all,

Any news on the CCB1E chips? (Other than the ocforums link). I saw a couple of people were getting them, any news so far?

My other option would be to get a CCBWE 0546SPMW chip. I'm kind of inclined to go with the CCB1E as it doesn't have retail packaging and i need to ship it to the UK, but I'd like to see more results from the CCB1E, or even the 0546SPMW chips first.

Any suggestions?

[terrordemon]

well i finally got my 170 0530 tpmw up and running. was able to get 273x10 at 1.5v, and 275x10 at 1.536v. I'm currently working on burning the cpu in, but I was not very shocked at how good my chip clocked, especially when compared to derektm's chip, which does 280x10 at less voltage

any suggestions? or is that all i can get out of my chip (when i get home from work and get windows reinstalled i'll post pics)

[Delirious]

No. It is what Prime95 recommends.

I personally had a lot of overclocks failing in the window between 24 and 36 hours.

yah i know i was jokeing.

I understand the debat that everyone has over how long to run it.

Personally i run about 8 minimum hours mainly cause, i wont be putting 100% load on my machine for that period of time.

when i get a chance im goin to run mine for 24hours, just need to use the comp, so dont really have a chance.

[derektm]

well i finally got my 170 0530 tpmw up and running. was able to get 273x10 at 1.5v, and 275x10 at 1.536v. I'm currently working on burning the cpu in, but I was not very shocked at how good my chip clocked, especially when compared to derektm's chip, which does 280x10 at less voltage

any suggestions? or is that all i can get out of my chip (when i get home from work and get windows reinstalled i'll post pics)

Try lower volts? Try 1.4 * 104% in bios. Play around with this because different settings give you a more stable vcore. I find 1.4 * 104% to be perfect for 2.8ghz.

yah i know i was jokeing.

I understand the debat that everyone has over how long to run it.

Personally i run about 8 minimum hours mainly cause, i wont be putting 100% load on my machine for that period of time.

when i get a chance im goin to run mine for 24hours, just need to use the comp, so dont really have a chance.

When I ran it for 48 hours, just as an example, I still played Counter Strike Source just to see if I could. No problems with lag or anything so you should be able to run it while your doing what you normally would on your computer.

[terrordemon]

derektm: so youre saying that if i try lower volts i may be able to get higher clock speeds? interesting, i'll give it a shot

[derektm]

derektm: so youre saying that if i try lower volts i may be able to get higher clock speeds? interesting, i'll give it a shot

Yep. Worked for me. Good luck!

[nealh]

Yep. Worked for me. Good luck!

did you see vcore flucuate in bios readings or winxp readings....

what vcore settings seem less reliable in your experience? I see you like 1.4 *104%= 1.456...

[derektm]

did you see vcore flucuate in bios readings or winxp readings....

what vcore settings seem less reliable in your experience? I see you like 1.4 *104%= 1.456...

For me it doesn't equal that amount. I have checked with a DMM. I didn't see much vcore flucuations no. 1.4 * 104% is the best so far. I tried a setting that gave me 1.5 volts but it must not of been stable because my chip wasn't. I'm using a newer revision of my Ultra-D now though. 1.4 * 104% is all I have tried on this particular board.

[nealh]

For me it doesn't equal that amount. I have checked with a DMM. I didn't see much vcore flucuations no. 1.4 * 104% is the best so far. I tried a setting that gave me 1.5 volts but it must not of been stable because my chip wasn't. I'm using a newer revision of my Ultra-D now though. 1.4 * 104% is all I have tried on this particular board.

so what does the DMM report for 1.4 * 104%....the 1.456 is just 1.40 x 1.04=1.456...

for example:
for me if I set in the bios 1.35 *110%=1.485..bios reads 1.46, winxp reports 1.44

I guess I should get a voltmeter..just not sure what to buy and I am afraid to fry something in the testing...does your mobo overvolt, undervolt or deliver what the bios sets

[Delirious]

so what does the DMM report for 1.4 * 104%....the 1.456 is just 1.40 x 1.04=1.456...

for example:
for me if I set in the bios 1.35 *110%=1.485..bios reads 1.46, winxp reports 1.44

I guess I should get a voltmeter..just not sure what to buy and I am afraid to fry something in the testing...does your mobo overvolt, undervolt or deliver what the bios sets

what u set in the bios is what u get, and i would trust that over any reading (bios, windows, cpuz, mbm5 etc..)other than a digital multimeter.

[uOpt]

The rule of thumb is:

On the popular DFI NF4 Ultra-D/SLI-DR you get exactly what you set in the BIOS in idle. Under full overclocked (dual-)prime95 these boards slightly raise the voltage, by about 0.025 V. The Voltage sensors report about 0.07 less than what you set in the BIOS and get in idle. The Voltage sensors do not show the increase that you get between busy and load. The Voltage sensors show fluctuations that do not exist in reality during load.

On the Infinity boards the voltage is constant over busy/load and idle, always about 0.0125 higher that you set. Very constant and stable overall. The Voltage sensors are completely BIOS-hosed on the boards, for all OSes I tried.

On my A8N-SLI premium I always get a solid 0.05 V over what I set in the BIOS, stable for busy and idle. The sensors are very accurate, they underreport a little, but they are closer to the truth than to what you set in the BIOS.

[bobov]

On my A8N-SLI premium I always get a solid 0.05 V over what I set in the BIOS, stable for busy and idle. The sensors are very accurate, they underreport a little, but they are closer to the truth than to what you set in the BIOS.

0.05V?? I guess you mean 0.005V.

[jackea]

I just got a 165 CCBWE 0550 UPMW.
The problem I am facing is that I can't get memory prime stable,
I have got 2* 512 TCCD's, they were prime stable at 310MHz
on my 146 CABYE 0540 FPBW, at the same timings. About 10-20h minutes
of dual prime renders me an error, I get this if I am running from 250 to 300 MHz on the memory the clock speed of the CPU is then 250*9 to 300*9.
It seems to me that it isn't the CPU maxing out but most likely some
memory timing. Has anyone else had this problem or have any timing suggestion?

The timings are 2.5-4-3-7 and I have tested to change it to 2.5-4-4-8 without improvement. I increased the preamble from 5mS to 6.5 and it seems as if it improved the prime stability a little bit I now get the error after 40 minutes.


Any ideas would be greatly appreciated

[uOpt]

0.05V?? I guess you mean 0.005V.

No

The Asus overshoots quite a bit.

[nealh]

Delirious and UOpty..thank you very much for make it very clear and concise

excellent info

I will not bother with a DMM..still not sure what to buy anyway..and I am sure I would fry something with my luck