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Intel i7 920 D0 Owners Thread - Page 26

post #251 of 399
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Quote:
Originally Posted by ljason8eg View Post
Well I'm sure if you said you overclocked it and that's why it fried they wouldn't warranty it.

That's just like with any part, there's really no way to tell its been overclocked.
I typically played dumb and indicated I had no idea what happened

I also might have mentioned a power surge in my home and maybe a lightning storm once or twice...
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post #252 of 399
Quote:
Originally Posted by Robilar View Post
I typically played dumb and indicated I had no idea what happened

I also might have mentioned a power surge in my home and maybe a lightning storm once or twice...
I always play dumb on the phone. Except with EVGA. Seems like I get better help when I explain my problem in a more technical manner to them, but for anyone else, no idea what happened.

On the i7 topic...finally got a BIOS that will keep my multi at 21x all the time. Too bad the bloodrage doesn't let you go below stock volts. It says stock for my CPU is 1.24v, and its stable at 4.0GHz at it, but that seems kinda high for a D0.
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post #253 of 399
Quote:
Originally Posted by Robilar View Post
I typically played dumb and indicated I had no idea what happened

I also might have mentioned a power surge in my home and maybe a lightning storm once or twice...
Nice! I am going to have to use these ones sometimes...if I continue my quest for 4.5 stable.
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post #254 of 399
Finally got my board fixed so that it will remember the BCLK I set it at... so my overclocking attempts are finally up and running! No luck on 4GHz so far though... All powersaving features disabled, turbo disabled, HT enabled, load line calibration enabled. DRAM voltage is at 1.65V (9-9-9-24 timings), QPI is at uhhh... 1.35V I believe, CPU is at +.8V, which usually puts it around 1.35V. Those settings have it stable at 21x180, though I've not yet run it through a long period of Prime95. At 20x200 Prime95 will blue-screen right away.

Are there any voltages that need to be bumped aside from CPU, QPI, and DRAM?
post #255 of 399
Quote:
Originally Posted by TotalLamer View Post
Finally got my board fixed so that it will remember the BCLK I set it at... so my overclocking attempts are finally up and running! No luck on 4GHz so far though... All powersaving features disabled, turbo disabled, HT enabled, load line calibration enabled. DRAM voltage is at 1.65V (9-9-9-24 timings), QPI is at uhhh... 1.35V I believe, CPU is at +.8V, which usually puts it around 1.35V. Those settings have it stable at 21x180, though I've not yet run it through a long period of Prime95. At 20x200 Prime95 will blue-screen right away.

Are there any voltages that need to be bumped aside from CPU, QPI, and DRAM?
ICH (northbridge) helped me a bit.

Also, the 21x multi seems much better stability wise than the 20x multi. Maybe it's just my board/CPU but I found it odd.
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post #256 of 399
What kind of temps are people seeing around 4GHz or so? Under Prime95 I usually have 1 core hovering around 64-65C, 2 cores at maybe 63C, and 1 core at 62C or so.
post #257 of 399
Quote:
Originally Posted by TotalLamer View Post
What kind of temps are people seeing around 4GHz or so? Under Prime95 I usually have 1 core hovering around 64-65C, 2 cores at maybe 63C, and 1 core at 62C or so.
At 4GHz and 1.24v I was hitting 70,68,66,66 with a 25C ambient.
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post #258 of 399
Quote:
Originally Posted by ljason8eg View Post
At 4GHz and 1.24v I was hitting 70,68,66,66 with a 25C ambient.
Weird... my numbers are lower and my CPU Voltage is far higher?

In any case, I take it having wildly differing temperatures on the cores is normal?
post #259 of 399
Quote:
Originally Posted by TotalLamer View Post
Weird... my numbers are lower and my CPU Voltage is far higher?

In any case, I take it having wildly differing temperatures on the cores is normal?
A few C difference across the cores is normal. Temperatures also very by CPU. I had two Q6600's. One ran about 20C hotter than the other one at equal clocks and voltages.

Also...I don't think I did a very good job mounting the TRUE. Usually I do it 2-3 times to get the temps really nice, but I was lazy and didn't do that lol.

What's your ambient temp? That could explain the differences as well, and what Prime 95 test were you using? Blend or Small FFTs?
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post #260 of 399
core temps can very a lot. See my idle temps at 21x210 with 1.3125vcore and 1.2vtt. Hottest one is 6C hotter than the coldest one. Very normal!
Code:
$ msensors
Core 0:      +43 C  (high =  +100 C)
Core 1:      +42 C  (high =  +100 C)
Core 2:      +38 C  (high =  +100 C)
Core 3:      +41 C  (high =  +100 C)
Core 4:      +42 C  (high =  +100 C)
Core 5:      +38 C  (high =  +100 C)
Core 6:      +41 C  (high =  +100 C)
Core 7:      +44 C  (high =  +100 C)
3.3V:      +3.34 V
Vcore:     +1.09 V  (max =  +3.00 V)
Vdimm:     +1.69 V
Vtt:       +1.32 V
NB:        +1.10 V
+5V:       +5.12 V
+12V:     +12.18 V
3VSB:      +3.30 V
Battery:   +3.22 V
CPU:      1657 RPM
Power:    1886 RPM
Chassis:  2732 RPM
Aux:      3614 RPM
CPU:         +27 C  (high =   +85 C, hyst =   +81 C)
                    (crit =  +100 C, hyst =   +96 C)  sensor = Intel PECI
VREG:        +55 C  (high =   +85 C, hyst =   +81 C)
                    (crit =  +100 C, hyst =   +96 C)  sensor = transistor
System:      +30 C  (high =   +70 C, hyst =   +68 C)
                    (crit =   +85 C, hyst =   +83 C)  sensor = transistor
These jump to 85C with prime load and 88C under LinX load. I have got one very highly clockable but very very hot D0.
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