OC 4.2ghz I7 950 sapphire pureblack x58 ci vuole troppo vcore, aiuto.
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so here are the exact settings on everything
cpu 200x21 =4200
ram 2:8 to achieve 1600mhz 9-9-9-24-2t
qpi - 4.800gt link speed full speed
pcie freq 103
Uncore x16 or x18
all powersaving off
voltages
LLC 100%
CPUVcore- 1.3875 (which should be more than enough for 4,2ghz on d0 step i7 950)
DIMM- 1.65
CPU VTT 1.35
IOH Vcore- 1.3
QPI PLL 1.35
IOH/ICH IO voltage- auto
CPU PLL vcore- stock is 1,8 tried bringing up to 1.9 and 2.0 didnt see a diffrence, at 1.6 i saw a slight change but it might have just been a flook
ICH vcore- auto
DIM DQ VREF- auto
i've changed every setting possible now, so I'm starting to think this chip just won't accept anything under 1.45vcore.
which would suck because that means my highest possible OC is a 4,4ghz before voltages start to become dangerous.
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Xoriam ha scritto:
so here are the exact settings on everythingcpu 200x21 =4200
ram 2:8 to achieve 1600mhz 9-9-9-24-2t -> set a lower one, same timings
qpi - 4.800gt link speed full speed
pcie freq 103->101
Uncore x16 or x18
all powersaving off
voltages
LLC 100%
CPUVcore- 1.3875 (which should be more than enough for 4,2ghz on d0 step i7 950) -> it could, not should
DIMM- 1.65
CPU VTT 1.35
IOH Vcore- 1.3
QPI PLL 1.35
IOH/ICH IO voltage- auto -> should be low, if i remember correctly something like 1.18V. I should check the old bios
CPU PLL vcore- stock is 1,8 tried bringing up to 1.9 and 2.0 didnt see a diffrence, at 1.6 i saw a slight change but it might have just been a flook -> no more than 1.86V !! Be careful
ICH vcore- auto
DIM DQ VREF- auto
i've changed every setting possible now, so I'm starting to think this chip just won't accept anything under 1.45vcore.
which would suck because that means my highest possible OC is a 4,4ghz before voltages start to become dangerous.
I'll check the blue ones tomorrow
I think that you could have got a bad CPU, but I need to check better your mobo
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Nikolaj ha scritto:
I'll check the blue ones tomorrow
I think that you could have got a bad CPU, but I need to check better your mobo
Yep I'm pretty sure it is the chip as well, highest vcore i've seen needed for even a 4.3ghz oc which is higher then mine with a I7 950 on my motherboard is a 1.3875, most others were 1.31-1.35
This chip really just doesn't care what voltage I throw at it..
It just says give me more vcore.... -_-
luckily my temperatures are ok, but i really wanted to optimize.
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UPDATED:
EDITED turns out Sapphire likes to put their LLC options backwards to confuse you!
Here are my new GOOD settings, I mean I bought this board on purpose lol....
:perfido: now thats more like it!
oh yeah I was stable at 4ghz 1.2vcore flat.
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 :bang head All powersaving options disabled Max load temp in P95- 75c
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all right then. My suggestion ? Keep it like this, and forget.
You've got a Nehalem at 4.0GHz, it's a lot, with a very good voltage and in stability.
Great job
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Nikolaj ha scritto:
all right then. My suggestion ? Keep it like this, and forget.You've got a Nehalem at 4.0GHz, it's a lot, with a very good voltage and in stability.
Great job
Thanks alot! it was alot of work to find the small problem. But in the end it's good!
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Nope, don't worry man. We're here to help you so feel free to share your thoughts
Have fun with such a beast !
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great ,now i wake up from a night veryyyy looong
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Nikolaj ha scritto:
Nope, don't worry man. We're here to help you so feel free to share your thoughts
Have fun with such a beast !
Ty, on monday my 7850 will arrive. so the GPU overclocking fun will begin :clapclap:
tom1 ha scritto:
great ,now i wake up from a night veryyyy looong
Lol thats exactly what it feels like, i've been glued to those BIOS for way too long.
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hell yeah !
A new thread with oc settings and results could be great
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Nikolaj ha scritto:
hell yeah !
A new thread with oc settings and results could be great
Ok I will work on getting that done in a few days then. :n2mu:
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