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I also am contemplating picking up a Q9550 from MC for $160 and try to OC it to 4.0. But, what's the odds of getting it with my current rig?
Luck of the draw really. There's not guarantee the chip will hit 4.0 with any hardware.
I don't have a particularly low VID, and I'm only using air cooling with 1.3V and I can hit 4Ghz without too much trouble.
No more cheap Q9550s @ MC - up to $230 now.I also am contemplating picking up a Q9550 from MC for $160 and try to OC it to 4.0. But, what's the odds of getting it with my current rig?
I have decided to do the same and am currently waiting for a q9550 to fall my way.
edit: it's a no brainer if you don't need HT and don't want to spend a considerable amount more for i5.
Here's an interesting update
My original bios settings were not worth much
471 x 8.5
cpu vcore 1.33 (1.29 in windows)
cpu termination 1.200
cpu pll 1.500
MCH Core 1.100
DRAM voltage 2.00
with those settings I hammered down the vcore all the way up to 1.4v in windows! I got the same crashes after 1-2 minutes upon loading a game up in l4d2. So with further tinkering around I did this
471 x 8.5
cpu vcore 1.33 (1.29 in windows)
cpu termination 1.300
cpu pll 1.500
MCH Core 1.200
DRAM voltage 2.00
I changed the termination from 1.2 to 1.3 and the mch core from 1.1 to 1.2 and I just played L4D2 for about 45 minutes straight, a whole campaign. No crash, no issues. I know, it's not prime-proof... but I have a feeling i'll go 10+ hrs of prime stable with these settings, as L4D2 being a very CPU biased game that utilizes all four cores on the CPU. I stress again, it's not as intensive as Prime, but IMO this is starting to look pretty good.
You'll probably need closer to 1.4v in FSB term and NB volt.
You might be able to do ~1.36 fsb/nb with closer to 1.4v on vcore.
At least those are where I started to become really stale at 4.0, I could game easily with lower but Prime95/OCCT even 3dmark you will probably need higher.
i'll keep that in mind, i'm gonna start priming as of right now since I have classes all day.
I was waaay in over my head with my settings, didn't even last 1 minute in prime 95. Left cpu term to 1.3 and bumped up nb volt to 1.3 and vcore to 1.36
Those are very low for 4.0 if you get it thats fantastic!
Let me know how you end up.
Subscribed! Would be very feasible for me to do the same thing with my build.
Your P35 board will probably end up being a limiting factor like my Gigabyte P35 DS3L. It could overclock and be stable at 4Ghz on my E8400, but no matter what setting I have tried with this E0 Q9550, I can't get it stable above 3Ghz.. Going to drop a P45 board in for $85 and hope for 3.8Ghz and be happy if I do.
Thinking the same here for Bad Company 2
Can you post which chipset your mobo has?mine is at home on my porch waiting for me .
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