Overclocking a Pentium IV

RiceBoy2k2

Junior Member
Oct 24, 2002
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Hey peoples, I was in the whole overclocking deal with the celery 300 like 3 yrs ago... but my 600mhz overclocked computer is a little too slow for my gaming needs right now. So I'm gonna buy a new mobo/cpu/ram.

Right now, I think I'm fixed on getting the Asus P4B533.... is that a good stable board for overclocking?

As for ram, I might stick to the korean brands as usual, or has it changed now? I know the asus mobo uses PC2700, so if you have any brand name recommendation for ram pls let me know too.

Last but not least, the most important thing is the CPU. I am pretty much fixed on the P4 2.4 because the price is just within my budget. They come in both 533 and 400 mhz variation. I know the first is at 133 FSB and second is 100 FSB... but which will have more potential interms of overclocking? I would think it's the 400Mhz. Correct me if I'm wrong thou.
If the 2.4 ghz cpu is really terrible at overclocking, then what will be a good p4 cpu to go with? I saw a couple of good results with the 2.2 ghz.... but any suggestions will be cool.

Thanx in advance.
 

CrazySaint

Platinum Member
May 3, 2002
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The 2.4B (533MHz FSB version) is a good OC'er - it should OC about as high as the cheaper 1.8A ;) (HINT: Get the 1.8A instead). I ordered a 1.8A from Newegg, got a 9/04 pack date Costra Rica SL68Q B0 stepping, currently running it at 2.7GHz/150FSB/DDR400@1.62v (actual/idle). I'm using a P4B533-V, and THUGSROOK nearly identical results with a identically-specced 1.8A from Newegg using a P4B533-E, so yes, Asus P4B533 series boards are excellent overclockers :) Btw, I also got similar OC results using the same chip on a EPoX 4G4A+. Right now it seems that the best OC RAM is Corsair XMS series, get either PC3000C2 or PC3200C2 (not PC3200C2.5). I'm using a 256MB stick of XMS PC2700C2 and even though it hit DDR400, I have to run it on the least aggressive timings. If you can't get Corsair XMS, then Samsung PC3200 RAM looks promising, but I haven't seen too many reports on it.

[EDIT: I just remembered that the 2.4B C1 stepping cores are starting to trickle in and should hit 3GHz+ at 1.7v, and so would OC much better than 1.8A SL68Qs, but resellers still have stocks of the older B0 stepping 2.4Bs, so getting a C1 right now is a gamble. Oh, and if I were you, I'd wait about a month and get a Granite Bay Dual Channel DDR board, which should kill everything out there right now in terms of performance.]
 

Duvie

Elite Member
Feb 5, 2001
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The 2.4a could possibly oc to the same levels if they have roughly the same packaging date...However...The 2.4a has a super high multiplier so unless you run a sis chipset there is no way you are going to run pc2700 ddr on any intel mobo cause the chances of you getting to 133fsb or 3192mhz (24x133) is impossible with current stepping.

The 2.4b is a great chip as 150fsb or 2700mhz is very doable and with the 3:4 ratio will garner you 400mhz ddr...this will give you near rdram performance.

I second crazies!!! thoughts...Granite Bay and c1 stepping chips...Can you wait a bit???

I am thinking of actually selling my corsair pc3000 to get 2 sticks of good cas pc2700 to run in aGB system. I only run my pc3000 at pc2700 levels now cause my fsb is too high to work with the 3:4 ratio.