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Phenom II steppings and max OC 550-940 - Page 140

post #1391 of 2829
Here's mine:

Phenom 940
0850DPMW
Rev RB-C2
3700mhz, 200mhz, 18.5x
CPU- 1.45v
Auto? Can't find this setting =p
1800mhz @ 1.275v
1800mhz @ 1.1v
ASRock K10N780SLIX3-WiFi
1.40
WC

For an unlapped, first 4 hour run, this thing is surprising me left and right... and, yes, it's really on an ASRock board =p (they're not ALL bad, you know...)

Edit- Just want to add that I ran this for 8 hours in prime last night as I slept (ok, 7 hours 53 minutes) and it's stable.
Edited by yabo - 3/7/09 at 7:41am
    
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post #1392 of 2829
still raising my old question..-_- why does Vista suck my OC??..
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post #1393 of 2829
Quote:
Originally Posted by vwgti View Post
Thanks for the reply, I have mem volts set at default 2.1. I dropped from 800 divider to 667 for the 3.9 boot, as at the 3750 boot at 800 it runs my ram at stock 1000.

So basically ram is underclocked and at stock voltage and timings, and still receive reboots/ memory dumps. EDIT: under stress testing.
Vwgti, how much HTT were you running for the 3.9Ghz overclock? What is your cpu multiplier set at?

Quote:
Originally Posted by kairi_zeroblade View Post
still raising my old question..-_- why does Vista suck my OC??..
Kairi_zeroblade, are you having worse luck overclocking in Vista? Did you try setting your power management in Vista to "High Performance"? Are you stable with the exact same overclock as you were with your previous overclock?

Good luck guys
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post #1394 of 2829
New OC (Much like old OC)

Bus: 230mhz
Multiplier: 15.5x
Core: 3565mhz
VID: 1.4125v
HT: 1840mhz
Memory: 920mhz

230mhz for the FSB is a happy spot. Stable so far.

edit: failed, probably needs a VID of 1.4250v

Also the voltage detectors on this motherboard are really wonky -- sometimes they drift an extra 0.5v up.
Edited by test tube - 3/8/09 at 9:26am
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post #1395 of 2829
Quote:
Originally Posted by test tube View Post
New OC (Much like old OC)

Bus: 230mhz
Multiplier: 15.5x
Core: 3565mhz
VID: 1.4125v
HT: 1840mhz
Memory: 920mhz

230mhz for the FSB is a happy spot. Stable so far.

edit: failed, probably needs a VID of 1.4250v

Also the voltage detectors on this motherboard are really wonky -- sometimes they drift an extra 0.5v up.
Test tube, are you overclocking with DDR2 800 or 1066 memory? Are you running the default sub-timings?

Good luck
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post #1396 of 2829
Quote:
Originally Posted by thlnk3r View Post
Test tube, are you overclocking with DDR2 800 or 1066 memory? Are you running the default sub-timings?

Good luck
1066mhz and yup it's at 5-5-5-15.
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post #1397 of 2829
test tube try running at 800 mhz with the same timing. i have to use that setup on mine or else anything over 3.9 will not run properly.
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post #1398 of 2829
I don't really have the headroom right now... I'm getting up to 55C on load with in-place large FFTs. I blame the sideways way I have to mount the Mugen partially but also cheap thermal paste, I ordered some OCZ freeze and I'll see if that helps any.

I retract what I further said about stability and higher FSBs, it seems to be most stable at 200mhz FSB but pushing it up can allow for higher inbetweens like 3550, 3650, etc. Otherwise it's not terribly useful.

My processor likes the following for OC/volts:
3.2ghz 1.3000v (stock)
3.4ghz 1.3625v
3.5ghz 1.4000v
3.6ghz 1.4500v

I'd imagine 3.7/3.8 are around 1.5000v but I'm probably unable to hit that with this cooling. There is also weird vdrift as I noted before of 0.5v, so setting it to 1.3625v actually means a range of 1.3625v-1.4125v. I'm not sure if it's just my motherboard though. As other people have noticed stability also nosedives with temps above 58C-60C so good cooling is required for good OCs, no doubt I could probably game at lower voltages.
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post #1399 of 2829
Quote:
Originally Posted by thlnk3r View Post
Kairi_zeroblade, are you having worse luck overclocking in Vista? Did you try setting your power management in Vista to "High Performance"? Are you stable with the exact same overclock as you were with your previous overclock?

Good luck guys
yep i did change the power management setup in VISTA64..yep that setup was tested with prime95 for 8hrs to be used as my benching setup..that setup is stable under windowsXP and XP64bit..but under vista its sucked..-_-'


argghhhhh..:swearing: i just watched "Watchmen" over on a local cinema..to ease stress on this stuff
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post #1400 of 2829
Get a copy of Vista Eternity ...lol
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