i7 950 problem

Hey all,

I still need to try a few things, such as a new bios, but there is some problem I have with this cpu.

When I boot my cpu at 4.6GHz HT on/off, there's no problem. It can run this with air cooling(mugen 2+ultra kaze 3000).

However; when I try to boot on lets say 4.7GHz, it just won't boot, doesn't on air and today I went on ln2 and it still doesn't:shrug:
Also when its in windows and try to raise it through software(e-leet) to 4.7GHz its an instant freeze:eek: Voltage is about 1.55v which should be enough.

I think it could be a bad bios or just a crappy cpu. Hope someone can help me here?

I'm pretty familiar with my motherboard, managed to reach 249blck with i7 920, so I guess its not a problem of that kind of settings. Maybe something I overlooked?
More people here recognise this problem? Its just that it runs great on 4.6GHz, can do any benchmark but 4.7GHz suddenly is over the top:confused:

Setup:
Evga X58 Classified E760
i7 950
Corsair Dominator GT 1866 C7 6GB
Coolermaster Silent Pro Gold 800W
Any gpu

Mind posting your template up so we can see mem timings/ voltages :)

Voltage Control
EVGA VDroop Control ( Without VDroop )
CPU Vcore (1.56)
CPU VTT Voltage ( +250)
CPU PLL VCore ( 1.8 )
**IOH PLL VCore ( 1.8 )
DIMM Voltage ( 1.65 )
DIMM DQ Vref ( +0mV )
QPI PLL VCore ( 1.3)
IOH VCore ( 1.2 )
IOH/ICH I/O Voltage ( 1.55 )
**VTT PWM Frequency ( 610 KHZ )
**CPU PWM Frequency ( 1333 KHZ )
**CPU Impedance ( Less )
**QPI Signal Compensation ( Less )
ICH VCore ( 1.1 )

it was like this, but tried different voltages also.

Memory has run on stock settings but also at 1700 c7 and 2000 c7 which should run fine actualy

Never was good at reading EVGA boards, Whats your VTT voltage in full digits? I dont really get the +250 , " was never really good on my biostar coz of it " , Try loosening timings for now try cas8 @ 1700 .. QPI PLL 1.38 if you can, Ioh vcore 1.3, VTT max i'd go is 1.45, If you still cant get a stable clock at the what I recommended seems like you could have hit your limit..
"

+250 VTT means 1.45v already ;) im going to try a different bios and some of your suggestions

Quote:

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Originally Posted by rsnubje

+250 VTT means 1.45v already ;) im going to try a different bios and some of your suggestions

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No dramas post back when your ready, im subb'd so i can help out :up:

thx:) limit is not exactly 4.6 but close. saw a screen of one of my scores which was 4.634 on air but that was with 4 core/thread. With cooling like ln2 i expect a little more than that.

well, didnt test anymore but i sold the dang thing :P gonna buy some sandybridge setup.

:) , Which cpu/mobo combo you going with ?

dont know for mobo, waiting for the good ones. going to be 2600k for sure