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Phenom II steppings and max OC 550-940 - Page 224

post #2231 of 2829
Anyone know what the max safe CPU NB Voltage is?
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The Wtfer
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post #2232 of 2829
1.5v
   
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post #2233 of 2829
i put mine up to 1.55 with a fan on it. only once and will probably never do it again.
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post #2234 of 2829
Quote:
Originally Posted by batmang View Post
Yeah, even if I lower the memory and ht frequencies, still won't boot passed 277 HT. Highest I could get at stock vcore was 3.3Ghz, but not stable. Highest stable is 3.2GHz.
i second that. i got 3.27Ghz at stock vcore stable.. any higher and i had to bump voltage up
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post #2235 of 2829
Phenom II 940

Overclock: 3604.67Mhz - 212 X 17

Voltage: 1.4125

Northbridge at 2000Mhz (I'll get back to you on voltage)

Mobo: Biostar TA790GX 128M

Cooler: CNPS9700

I'll get back to you on stepping.

CPU-Z Validation
Edited by VladamirTOM - 7/3/09 at 6:02am
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post #2236 of 2829
Here's me:

* Phenom II 720BE x4 cores
* CPU stepping: CACZC AC 0906EPMW
* Revision: RB-C2
* 3423mhz, 201.4x17
* CPU voltage: 1.36
* CPU-NB voltage: auto
* Northbridge clock: 2214.8@1.3v
* HTT link speed and voltage: 2013.6@auto
* motherboard: ga-ma790xt-ud4p
* motherboard BIOS revision: f4g
* type of cooling: xigmatek s1283 (air)
* OS: win7 rc

Hopefully Intel BurnTest is good enough.
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post #2237 of 2829
Thread Starter 
You have been added!!
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post #2238 of 2829
Glad to see you are still going strong XenoMoph

Sorry for not having posted here in for a few weeks, as you might've seen I've been posting in other sections of the site while I was supposed to be studying (only during breaks though!). I just did not have the time to take apart the sig rig to test oc's, and I knew that if I came in here I would feel the OC itch and do so anyway!

Good news is that some fans I ordered (8 san ace 1011's) arrived, and all are in working condition. Spent yesterday rewiring them, and it'll help temps in my case by a large margin (*might* be able to run 1.55v 24/7 while in a case). Probably would not make a difference for trying to hit 4.0ghz, but if I actually do, it'll help me keep it running.

Bad news is that somewhere along the line, I screwed up. Set everything up on a bench again, and noticed that my idle temps were 45 degrees. I remounted several times, and during the best 'attempt' I had load temps @ 53 degrees. This is using the same setting as before, where I had 46 (47 for a brief few seconds) max load.

Ambient temperatures were slightly lower as well, to boot.

No freakin idea what went wrong, but I do have a few ideas. I probably had the cooler mounted perfectly, or near perfect to begin with. Second, every time I remove TIM using ethanol, it does not completely remove the bonds and leaves traces/residue behind. Considering I've mounted my cpu cooler at least 20 times, it builds up slowly.

Going to buff the cpu slightly to remove it. My megahalems is also showing some colour distortion as well, in the center where most of the TIM is usually. If I had to guess, I would say it starts to look like its showing some slight copper - which would mean that the nickel plating is extremely thin, and more worryingly that I managed to eat through it partially with rubbing alcohol/ethanol. I'm not sure if I'm just being paranoid, I do not see how this is even possible, yet that is what it appears to be.

In either case, hopefully I'll be up and running and getting some good overclocks soon!

Good luck to everyone else and their oc's, I'll make sure to read through the previous posts once I'm up and running!
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post #2239 of 2829
Quote:
Originally Posted by Drin View Post
Second, every time I remove TIM using ethanol, it does not completely remove the bonds and leaves traces/residue behind. Considering I've mounted my cpu cooler at least 20 times, it builds up slowly.
Drin, have you given isopropyl alcohol a try? I use the 90% bottle. It works good and pretty much removes everything. Sounds like both surfaces just need a really good cleaning. With your room ambient temperatures being slightly lower I would expect to see your full load temps drop a little so that is a bit strange

Good luck
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post #2240 of 2829
Quote:
Originally Posted by thlnk3r View Post
Drin, have you given isopropyl alcohol a try? I use the 90% bottle. It works good and pretty much removes everything. Sounds like both surfaces just need a really good cleaning. With your room ambient temperatures being slightly lower I would expect to see your full load temps drop a little so that is a bit strange

Good luck
Thanks

Well the good news is that I managed to get my temps down to roughly what they were before, after rebuffing the cpu with some sandpaper. The bad news is that I'll probably have to fork out for a 2x2gb kit if I ever want to see a stable (enough) 4.0ghz. I tried for a long time yesterday with 4 sticks in, and although OCCT can come close to passing, Prime 95 BSOD's pretty quickly

And thanks for the tip I currently use methylated spirits with an ethanol rating of 95%, but it definitely does not remove everything after a good wiping (with OCZ as tim). Not sure of the exact differences between isopryopyl alcohol and methylated spirits, and I always assumed they were pretty similar. However, the stuff I'm using definitely leaves behind at least some residue/traces of tim (very faint, but it's still there) so I'll try to find some.

Ah well, time to go ram hunting!
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