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Core i7 920 Stepping D0

Thats brilliant. the batch codes with a B in the middle are the best, your has an A but as with all these CPU's its pot luck what works well.

Fingers crossed for some low voltage super clocks :)
 
I am getting my i7 920 next week...here's hoping it might be a D0 stepping...but we'll see...good luck with the build and let us know how u get on :D
 
better one :D

DSCN2627.jpg
 
Seen 2 web sites happy to guarantee DO stepping for a for a bit more, OCUK should catch up with this lvl of customer service losing £250 a pop cant be good for business if people want D0. Its not as if there going to have laods of co left over they can used in bundle and prebuilds and some people just dont care what steping
 
BigBruiserAl said:
Seen 2 web sites happy to guarantee DO stepping for a for a bit more, OCUK should catch up with this lvl of customer service losing £250 a pop cant be good for business if people want D0. Its not as if there going to have laods of co left over they can used in bundle and prebuilds and some people just dont care what steping
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I've always thought that - i guess when you process 1000's of orders day/week the lvl business model is just not cost effective.
 
Glad I've waited now, will definitely be basing my new build around one of these, decided video encoding performance is the most important thing for me so gonna wait and get one of these beauties. Will definitely want a guarantee that I'm getting a D0 from wherever I end up buying it from though ;)
 
nice to see some places getting the new D0 stepping, 4.3ghz is amazing overclock in the anandtech review. They were using a crazily expensive board though, i'd be happy with 4.1ghz on a Gigabyte UD-5 or aAsus P6T Deluxe V2 board.
 
I saw one goes to 4815ghz on air... He used MB - Asus® Rampage2 Gene Cpu Cooling - Thermalright® Ultra 120 RT Fan - San Ace 102CFM
 
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been away this easter so haven't played much with my D0 but have got it running 4.2ghz @ 1.34v

Not played with much else as it's on stock cooler at mo. All i did was set bus speed to 200 and volts to 1.35 to have a quick check.

could run with fewer volts and could also push chip much further.
 
There are a few positive reviews of the D0 up around the web, seems to clock better at lower volts and of course run cooler.

[Edit] here the one from Anandtech! :)

Gary Key said:
Intel Core i7 920 D0 Stepping - Preview
The question that has not been answered yet is how our C0 processors steppings faired. First off, none of the C0 steppings we have would operate at these particular voltage settings, in fact two of them failed to POST. Our best C0 sample is requiring 1.425V on Core Vid, 1.250V IOH, 1.475V VTT, and 1.71V VDimm to just make it into Vista Ultimate 64 and we still have not dialed in application stability yet. Once we complete the C0 testing, expect to hear back from us on this new/old processor.



We just passed the eight hour test mark (multi-tasking tests, OCCT, PCMark Vantage x64 loops) with the above setup. Once again, we set our CPU multiplier to 21x for all cores, Bclk at 210, 2:10 memory ratio, and voltages set to 1.376V on Core Vid, 1.37V VTT, 1.26V IOH, along with 1.69V on VDimm. This results in a 4.41GHz clock speed and DDR3-2100 memory speed at 7-8-7-20 1T timings.
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