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1.2875vcore 4.2ghz I7 950 on sapphire pure black x58

post #1 of 19
Thread Starter 
UPDATED:

EDITED turns out Sapphire likes to put their LLC options backwards to confuse you!
Here are my new GOOD settings, 4.2ghz 1.2875vcore I mean I bought this board on purpose lol....
thumb.gif now thats more like it!
and i was stable at 4ghz 1.2vcore flat.
Code:
Target CPU frequency- 4200mhz
Target memory frequency- 1600mhz
Cpu freq- 200
Cpu Ratio- 21
Memory frequency- DDR-1066 2:8
Memory timing- By DDR 1600mhz 9-9-9-24-2t
Uncore- slight oc to x18
PCIE frequency 101
Vcore- 1.2875
VDIM- 1.65
CPU VTT- 1.35
IOH- 1.3
QPI PLL- 1.35
LLC- DISABLED >_>
All powersaving options disabled
Max load temp in P95- 75c

300


old settings with the confusion


Ok I've made a new rock solid stable OC although only 4.2ghz i'm kind of happy with it.

settings:
Code:
Target CPU frequency- 4200mhz
Target memory frequency- 1600mhz
Cpu freq- 200
Cpu Ratio- 21
Memory frequency- DDR-1066 2:8
Memory timing- By DDR 1600mhz 9-9-9-24-2t
Vcore- 1.45
VDIM- 1.65
CPU VTT- 1.25
IOH- 1.12
LLC- 100%
All powersaving options disabled
Max load temp in P95- 75c
It seems even with this hot weather I have another 10c of headroom for this specific chip. I7 950 D0 bloomfield safe max operating temp is 85c
the thing is when i go to a 23 multi for a 4,6ghz the chip wants me to give it 1.575vcore
I'm not sure if that is safe even if my tempuratures are. So I've decided to stay away from that.

What do you think? b(^_^)b I think it's a pretty good result for an I7 950.
Edited by Xoriam - 7/7/12 at 12:57pm
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post #2 of 19
Thread Starter 
edited
Edited by Xoriam - 7/3/12 at 1:41pm
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post #3 of 19
Thread Starter 
edited.
Edited by Xoriam - 7/3/12 at 1:41pm
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post #4 of 19
first gen i7 ftw thumb.gif
post #5 of 19
Nice clocks bro, I had the same chip a few months ago and I think it was defective or something, it was hitting 98c on stock clocks during full load.

Intel warns never to go above 1.52v man 1.57 is crazy dont do it.
 
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post #6 of 19
Thread Starter 
Quote:
Originally Posted by iPDrop View Post

Nice clocks bro, I had the same chip a few months ago and I think it was defective or something, it was hitting 98c on stock clocks during full load.
Intel warns never to go above 1.52v man 1.57 is crazy dont do it.

Yeah thats why I backed off away from the 1.57
Although i see alot of guys running 1.65 for their 5ghz oc on this same chip.

I think they put too much IHS on the top of this chip btw, because I was getting bad temps before as well.
Then I lapped the CPU and the temps are great now.
(I DO NOT RECCOMEND lapping a CPU because you can destroy it if you do not do it correctly.)
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post #7 of 19
1.45vcore seems to me like a little high for 4.2Ghz.
For 1.45Vcore id be expecting to see 4.4-4.5Ghz HT enabled as the 950 is a D0 stepping right wink.gif

I use 1.35 for a very very solid 4.2Ghz solid in ANYTHING, folding, prime, IBT etc.
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post #8 of 19
There are 950 owners in the 950 club whose chips either run hotter or need more volts than others. They are not all identical. Luck of the draw. I probably would not go with 1.57v for 24/7.
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post #9 of 19
1.5 vcore for 24/7 is not recommended AT ALL... unless you don't plan on keeping the chip for very long.
To add to the comparison I have my 920 D0 @4.2 with 1.25 vcore and temps max out at around mid 60's, but I am completely water cooled.

Are you 100 percent stable with 1.45 vcore.. if so... have you tried to lower it? Maybe try to lower VTT a bit*this might not work for however**
As everyone else has mentioned.. some ppl get good cpus and other bad ones.
4.4 ghz on 1st Gen. i7 is a bit on the wild side, more for benching and stuff... OUR chips don't clock as high as SB or IB so don't be shooting for those numbers with out some extreme cooling

Good Luck
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post #10 of 19
Thread Starter 
Quote:
Originally Posted by v1ral View Post

1.5 vcore for 24/7 is not recommended AT ALL... unless you don't plan on keeping the chip for very long.
To add to the comparison I have my 920 D0 @4.2 with 1.25 vcore and temps max out at around mid 60's, but I am completely water cooled.
Are you 100 percent stable with 1.45 vcore.. if so... have you tried to lower it? Maybe try to lower VTT a bit*this might not work for however**
As everyone else has mentioned.. some ppl get good cpus and other bad ones.
4.4 ghz on 1st Gen. i7 is a bit on the wild side, more for benching and stuff... OUR chips don't clock as high as SB or IB so don't be shooting for those numbers with out some extreme cooling
Good Luck
Yeah I am 100% stable the system has been running for about a week straight now between many stress tests and gaming sessions etc.
I was unstable at 1.425
lowering vtt would be a bad idea I'm already at CPU vtt of 1.25, which is pretty much stock voltage.
H80 is a water cooler btw.
Quote:
Originally Posted by alancsalt View Post

There are 950 owners in the 950 club whose chips either run hotter or need more volts than others. They are not all identical. Luck of the draw. I probably would not go with 1.57v for 24/7.

Yeah for sure I'm not going anywhere near that 1.57volts. That would just be an uncessary risk.
I mean I can get into windows at about 1.25-1.3 volts I can probably get into windows at 5GHZ at 1.3 volts but it's not stable.
There is most likely some other voltage I can mess around with to bring that vcore down a bit, hopefully I will find it.
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Ryzen
(10 items)
 
X58 Xeon ROG
(13 items)
 
IVY
(13 items)
 
CPUMotherboardGraphicsRAM
Ryzen 7 1700x MSI B350 Tomahawk EVGA GTX 1060 Corsair Vengeance LPX 
Hard DriveCoolingOSPower
Crucial MX100 Corsair H80i Windows 10 64bit EVGA Supernova 850 G2 
MouseAudio
Logitech G502 Proteus spectrum Boss gt-001 
CPUMotherboardGraphicsRAM
Intel Xeon x5660 @ 4,6ghz (max 5,02ghz) Asus Rampage III EVGA GTX 970 Corsair Dominator 12gb 
Hard DriveCoolingOSMonitor
Kingston SSD Corsair H80i Windows 8.1 64bit Toshiba 40" 
KeyboardPowerMouse
Logitech G106 Corsair CX650 Logitech G600 
CPUMotherboardGraphicsRAM
I5 3570k Gigabyte G1 Sniper 3 EVGA GTX 980 TI SC+ kingston hyperx beast 2400 mhz 8GB 
Hard DriveCoolingOSMonitor
Crucial MX100 Corsair H80i Windows 8.1 64bit Phillips BDM4065UC 40" 4k MONITOR 
KeyboardPowerCaseMouse
Logitech G11 EVGA Supernova G2 850watt Haf XB EVO Razer Naga 
Audio
M-audio Mtrack Mk II 
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Reply
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