Best settings for a Northwood O/C

Talon02

Senior member
Mar 17, 2002
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I have a Northwood 1.8A, Asus P4B533, and 512MB PC2700 Samsung Original.

I was wondering what the best settings for the most stable overclock were, thanks.

Brad
 

CrazySaint

Platinum Member
May 3, 2002
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Start at the least aggressive memory timings, a 1:1 ratio and take it slow. Start at about 133FSB, then 140FSB then in 5MHz FSB adjustments after that. Once you start increasing your vcore, don't let it get any higher than 1.7v (as reported by Asus Probe) at idle. Run Prime95 to test stability.
 

oldfart

Lifer
Dec 2, 1999
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If all goes well, you should be able to do 150 FSB, 2.7 GHz, 3:4 ratio, DDR400, but with slow timings (2.5 ,3, 3, 7).
 

CrazySaint

Platinum Member
May 3, 2002
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Originally posted by: oldfart
If all goes well, you should be able to do 150 FSB, 2.7 GHz, 3:4 ratio, DDR400, but with slow timings (2.5 ,3, 3, 7).

Yeah, that's what I got with a similar setup (1.8A SL68Q, Asus P4B533-V, Corsair XMS PC2700C2) except I finally managed 2-3-3-7. My vcore is 1.575/1.62 (BIOS/actual). But don't jump directly to these settings, work your way up to them.