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*** Official Opteron 170 Ocing Thread ***

fornowagain said:
Just started with a new 170 CCBWE 0546XPMW. Gets to 2700 @ 1.45v without errors. Cycled s&m for a couple of hours, idles at 27C maxed at 41.7C. I keep thinking to get another cooler, but this Hyper 6 seems to do ok. Now to see how stable it is in some 3d benchies.
Click to expand...

Well core 0 drops out at 2750 @ 1.475, core 1 makes it to 2800. So I'm burning in core 0 for few nights (8 hours, then cool down) to see if I can get it up to 2750 for both. Using CPUburn set to K7 high priority.

 
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ted34 said:
Just had the 170 arrive (exact same stepping as yours). Will post back with how it goes. Have to wait till monday when project handed in - cant afford to stop working to run benchmarks
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Taken break from project for more important things:

So far CCB1E 0550 VPMW is stable at 2.6ghz @ 1.36v and still climbing. 1mb pi with no tweaking is 32s so hopefully beat my 28s score from my 3700@3ghz
 
Clint said:
Did remove the IHS..., temps are down and clock are up:

Ambient 10C

:D
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10degrees - i thought the heating in my flat was ****.
icon12.gif


Am having probs with the temps. Have found that once it exceeds 45degrees under load it fails. These cpu's are so temperature sensitive. So far seems stable (still testing though) at 2.8ghz at 1.36v. Could do with watercooling for dual cores.

How much difference at idle and load did you find removing the ihs made? Also what cooler are you using? Been abit unsure as to whether to remove ihs with a xp120 heatsink because its not height adjustable so might not get good contact if i do.
 
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Ouch Clint! Thats one impressive clock you have there my friend. It most certainly seems like the VPMWs are better than the UPMWs for sure!

Once again, nice clock. ;)

Agent :cool:
 
ted34 said:
10degrees - i thought the heating in my flat was ****.
icon12.gif


Am having probs with the temps. Have found that once it exceeds 45degrees under load it fails. These cpu's are so temperature sensitive. So far seems stable (still testing though) at 2.8ghz at 1.36v. Could do with watercooling for dual cores
Click to expand...

Its not the heat thats failing that OC imo its the voltage.These things can run at 65c so 45c is no problem.

I'm 2.8ghz @1.36 v and my temps are fine.In warm room.

PWMIC get a tad toasty but I'm on the case.But its stable as a rock .

I have noticed a 6c rise from stock on my opty.Its the vcore that causes the heat not the overclock imo
 
Agent WD40 said:
Ouch Clint! Thats one impressive clock you have there my friend. It most certainly seems like the VPMWs are better than the UPMWs for sure!

Once again, nice clock. ;)

Agent :cool:
Click to expand...

what vcore did yours need for 3ghz?

or did you not try? :)
 
As in I'm using it at stock, getting a feel for it, running some benchmarks, letting the AS3 settle, monitoring temps and generally chilling-out!

Was a bit worried about the rumours of how much heat the Multi-cores kicked out but this one seems to be running cooler than my previous mono-core 146

idle5fq.jpg


This is now, sitting in a warm lounge cpu 26°C idle

overclocking soon I promise ;)
 
ted34 said:
10degrees - i thought the heating in my flat was

Am having probs with the temps. Have found that once it exceeds 45degrees under load it fails. These cpu's are so temperature sensitive. So far seems stable (still testing though) at 2.8ghz at 1.36v. Could do with watercooling for dual cores.

How much difference at idle and load did you find removing the ihs made? Also what cooler are you using? Been abit unsure as to whether to remove ihs with a xp120 heatsink because its not height adjustable so might not get good contact if i do.
Click to expand...

Yup, 44-45C seems to be the number to avoid passing, craps out for me as well.
Idle dropped 3C and load 8C, I'm on a Big Typhooon now but have a XP-120 that I'm gonna mount later on...needs modifications though.
The Big Typhoon will strain the Mobo and core if in a vertical chassi.
Big.Wayne said:
Nice work but quite a sacrifice having to sit in a freezing cold room to use your computer? :eek:
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Haha, the mobo is very close to the window...not that cold in room.
I have a tempmonitor lying on the mobo.
I only do this to see the potential for a watersetup, pretty easy and cheap test to do before I go and order all those tubes and tanks.
And I knew you gonna jump all over it..hehe ;)
 
easyrider said:
Not been an issue here.These chips are designed to run hotter :confused:
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That maybe so, but I rebuilt my watercooling yesterday after a recommendation from XS.

Anyway, I was trying for 2.8ghz (11 x 255 = 2805mhz) which is now about 9 hours prime stable (still running) on 1.500v or 1.488v (- fluctuating, surprising as my Ultra-D never fluctuates). Anyway, this was dual prime loading @ 50C yesterday before the rebuild (window open) and prime would fail within about 10 minutes. Now, after the rebuild, it dual prime loads @ 42C (window closed) and prime has been running for 9 hours (PWMIC @ 46C, chipset @ 44C to give you an idea of how warm it is in here).

Then again, I haven't waterblocked my X1800XT 512MB yet, so that might erase my new temp drop but hey, I'll just give vcore a tiny bump to make sure it still passes.
 
I would imagine that if running stock and a hot room and cpu reached 50c and failed prime it would be going back.

something more than just temps IMO.

50 c is nothing for these cpu's or x2's for that matter. :confused:
 
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easyrider said:
Which leads me to believe the failure was not temp related.
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Oh I get you :D. As you can see I didn't get up long ago! But then again, my example does show temps made a difference in my case...

But I get you now - sorry :D.
 
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