P4b oc to 3.26 running hot

nOObBooB

Senior member
Sep 10, 2004
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i just recently decided to over clock my computer. I have a abit IS7 mobo with a p4 that is stock at 2.8 fsb 533 mhz. I increased the fsb to 155 from the stock 133mhz. Its temp at full load is at 55 running prime95 and using mother board monitor 5. At idle its at 42. Is this too hot for my p4 to be running at. I am at stock voltages (1.525).

Sometime when i am running winamp, i load up MatLab and winamp pauses for a sec. This has never happened befored i started to oc my computer. Do you konw the reason to this? Could it be my ram its DDR266 at DDR310 right now. This is the only program that causes my computer to pause for a sec.
 

nOObBooB

Senior member
Sep 10, 2004
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i have a zalman 7000 Alcu. But i guess since a zalman is aimed more towards being quiet rather can keeping the cpu extremely cool. It doesnt do such a good job compared to a thermalright. I guess that was one mistake i made when building this pc. But at these temps, the cpu should run fine right. It just seems extremely hot.
 

masshass81

Senior member
Sep 4, 2004
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can you attatch a fan onto your heatsink? a 120mm fan would keep it quiet while dissipating heat more effectively
 

nOObBooB

Senior member
Sep 10, 2004
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OH and another question,

is my ram overclocked too much because when load programs while winamp is playing, winamp will pause?

its speed is 133 mhz oc to 155 mhz, its value ram by some company.
 

nOObBooB

Senior member
Sep 10, 2004
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Originally posted by: masshass81
can you attatch a fan onto your heatsink? a 120mm fan would keep it quiet while dissipating heat more effectively



Zalman currently has a fan attached to it, i think 120 mm.
Here is the link of my heatsink
 

Vee

Senior member
Jun 18, 2004
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Your temperatures are fine, if everything is indeed working as you intended. But you should definitely check the performance of your OC relative to non-OC. And run it hard for 40min to heat it up. And what have you set your RAM ratio to? DDR266 will not run at 155MHz. You generally can't overclock RAM, certainly not to that degree. So I would guess your RAM is running at something else, if your PC still works.
 

nOObBooB

Senior member
Sep 10, 2004
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well i am at 1 to 1 ratio with fsb and memory, with PC 2100 speed ram. I checked these values using cpu-z.
 

Vee

Senior member
Jun 18, 2004
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Well, that's good PC2100 RAM then. It occured to me this is perhaps possible, since most RAM these days are much faster, and there is no problem manufacturing it.

Well, you just need to benchmark your system then, under different settings, to verify that it's working as intended, when OC.
 

rogue1979

Diamond Member
Mar 14, 2001
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Ram overclocking greatly varies. I have two sticks of PC2100 that hits 200MHz. On the otherhand I have seen PC3200 that won't go 200MHz.....