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Testing Pentium 4 - Is HSF Necessary?
- Thread starter joroma
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Soldato
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no
Soldato
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Probably won't even boot due to thermal protection and if it does, since its a Prescott it'll prolly cause a nuclear meltdown or burn your face off at the least 
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Urm... it won't die due to it's thermal protection. No idea if it'll boot though, I guess not. However thermal paste prob. isn't needed for a test - sure it'll run hot and might throttle its speed but should be enough to tell you if it works.
Wasn’t there a video on Toms Hardware a few years ago that showed quake running on a P4 and they took the heatsink off while running and the frame rate dropped down to ~2fps, putting it back on and the frame rate jumped back up.
btw, I've never tried this so don't take potentially expensive decisions on my advice!
Wasn’t there a video on Toms Hardware a few years ago that showed quake running on a P4 and they took the heatsink off while running and the frame rate dropped down to ~2fps, putting it back on and the frame rate jumped back up.
btw, I've never tried this so don't take potentially expensive decisions on my advice!
In the past Ive had a 2.8E running for a few mins without the fan on the heatsink moving. It didnt do it no harm. I did it, so it 'burnt' in the cpu 
made some difference too, could get a little further 
Surely if you want to test if the cpu is working, you dont need a heatsink. Put it in the mobo, see if it boots into bios. If it does then its working. Depending on the mobo, there could be a shut down temp of around 60c or so. It shouldnt take that long to reach that temp and the system would shut off, but I guess that from a cold boot, first time it should boot into bios before it gets too hot.
I would do it. Once its a bios then turn the rig off, just hold the power button down. Simple. It wont die.
made some difference too, could get a little further Surely if you want to test if the cpu is working, you dont need a heatsink. Put it in the mobo, see if it boots into bios. If it does then its working. Depending on the mobo, there could be a shut down temp of around 60c or so. It shouldnt take that long to reach that temp and the system would shut off, but I guess that from a cold boot, first time it should boot into bios before it gets too hot.
I would do it. Once its a bios then turn the rig off, just hold the power button down. Simple. It wont die.
While I'm sure the CPU would allow the system to boot, it's just plain stupid to run it with no heatsink. Especially as your then going to sell the thing. Surely you have a heatsink of some description you could use.
A video from Tom's Hardware doing something similar is here (THG Video 1) - http://tomshardware.co.uk/site/videos/thg_videos-01.html
http://tomshardware.co.uk/cgi-bin/downloads.m?id=1
A video from Tom's Hardware doing something similar is here (THG Video 1) - http://tomshardware.co.uk/site/videos/thg_videos-01.html
http://tomshardware.co.uk/cgi-bin/downloads.m?id=1
Soldato
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I've run Pentium 4s without the heatsink fan, and without the sink actually clipped but as far as heatsinkless i would'nt do it. While i doubt it may boot and if it actually does it might not burn up, its plain not a good idea and depending on everything to work as it should when even pressing a sink on even without thermal compound or clippng it on would be so much better is stupid. I've had PIVs not boot due to the user not installing the cpu right and these were mostly later NW or Prescotts, also had earlier PIVs boot without a heatsink (did'nt really care for them, old Williamettes) without issue and trottling.
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ns400r said:
The reason I asked was to avoid damaging it!!!!!!!!!!!!!!
I have got a HSF I just wondered if it was necessary to fit it if I was only going to run it for a couple of minutes. Having seen the replies on my thread I wouldn't dream of running the CPU without fitting it!
Not something I would do personally, although you might be able to get away with running it for say 5s (to POST) with a fan blowing over it and hope that thermal protection saves your bacon.
Anyone with an AMD reading this, don't even risk that.
Anyone with an AMD reading this, don't even risk that.
Soldato
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- Hoddesdon, London, UK
HangTime said:
Fairly safe with A64 and Socket A cpus with diode on supporting motherboards though i would'nt do it again, have tried it with a 1600+ cpu (no sink), forgot what board but it did'nt POST and did'nt go up in smoke, worked afterwards and still does to this day as far as i know.
