Ok I've got a 1.4ghz Tbird that I"m selling, its running a stock HSF combo, the original thermal pad hardened and wasn't doing anything as far as cooling. I scraped the pad off the HS and reinstalled it, I was cleaning up the OS and the HS barely got warm to the touch. So will I be ok with just the HSF combo. The CPU will not be OC'ed.
Will my 1.4 be ok without thermal paste???
- Thread starter karma4jake
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mechBgon
Super Moderator<br>Elite Member
- Oct 31, 1999
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No, you need thermal-transfer material of some kind. That CPU runs hot and has no safety mechanism to shut it down when it overheats.
Not to be unkind, but knowning what you did to it (operating it without thermal-transfer material), I sure wouldn't buy it now :Q
Not to be unkind, but knowning what you did to it (operating it without thermal-transfer material), I sure wouldn't buy it now :Q
It is always a good idea to add thermal compound.
The sink may not be warm because of bad thermal contact between the CPU and the sink. The question is how warm the CPU is. Did you check?
No I didn't check internal temps. The reason I didn't worry about running it without paste was previously the old thermal pad had hardened and wasn't serving any cooling purpose at all, so essentially I wasn't running it differently than it had been. I'll go ahead and get a cheap tube from the local shop. I'm not supid, I worked at a computer shop for a year and built probably 300+ pc, lots of the old k62's and such didn't "need" the paste if run at stock frequency. Of course I prefer the paste but in this situation it had hardened and appreared it didn't need it.
I don't think the paste hardening affects it's performance significantly - it's designed to fill in the gaps between chip & HSF and even if it changes consistency will still be filling in those gaps and transferring heat nicely. Thermal pads aren't designed to be used more than once - once you take the HSF off you need to replace it with another pad or some paste (after cleaning up the remains of the old one.
The 1.4 Tbird was one of the hottest chips ever for a while - hotter than most Athlon XP's, but not as hot as a prescott. The HSF not being hot is not a good sign and I hope you haven't burned up the chip.
The 1.4 Tbird was one of the hottest chips ever for a while - hotter than most Athlon XP's, but not as hot as a prescott. The HSF not being hot is not a good sign and I hope you haven't burned up the chip.
The thermal pad was supposed to harden after it'd been heat cycled. The reason your sink didn't get warm without pad or paste is the thermal joint was inefficient. You're lucky you didn't fry the chip already, though you may certainly have damaged it.
Well I really don't think it damage it but I'm not gonna use it till I pick up some thermal compound tommorow. I'll run it overnight to make sure its ok. Its going to a family memeber so I can watch over it.
correction, having good contact with heatsink it runs cool
having bad contact with cpu, the heatsink is very hot. now how can a heatsink be hot if the contact is good??? that is retarded.
how teh fuckdoIknow??? I've tried it without the paste and its hot like hell.
that's how, the end :roll:
because the cpu cannot disperse the heat, it gets so hot that even the heatsink is affected.
that's how, the end :roll:
because the cpu cannot disperse the heat, it gets so hot that even the heatsink is affected.
Ok... *correction*
--Thermal paste, whether present or not, has absolutely no effect on the ability of the heatsink to disperse heat that has already been TRANSFERRED to it. The use of thermal paste will help increase the transfer of thermal energy between the cpu and itself, and thus the heatsink will be more heavily "loaded", and it will be hotter. This is not in any way a bad thing, however, in fact if the heatsink is hot, it is a good thing, it means the heat is being conducted away from the cpu and the sink can do its job.
If there is NO thermal paste, then the heat will not be transferred as efficiently to the heatsink from the cpu, and thus the heatsink will have a lesser "load", so it will be cooler, yet the cpu will be hotter, because the heat cannot transfer from it to the heatsink. Thus, a cool to the touch heatsink on a processer that runs characteristicallly hot is something I would personally be worried about.
*whew*
I've always liked the "I've worked at a computer shop, I know what I'm doing" types. A cool heat sink on a t-bird is a ting that would worry me. Even if I only test something, I still put a drop of thermal paste on the core/heat spreader just to give it that much cooling. I fried my 1.4 GHz T-bird by doing exactly what you did, only took 5 minutes run time. Thermal paste and 90% alcohol is better than replacing a processor.
well that's like having no heatsink at all, so the cpu would have fried and you would smell the carbon burns as wellOriginally posted by: Maluno
Ok... *correction*
--Thermal paste, whether present or not, has absolutely no effect on the ability of the heatsink to disperse heat that has already been TRANSFERRED to it. The use of thermal paste will help increase the transfer of thermal energy between the cpu and itself, and thus the heatsink will be more heavily "loaded", and it will be hotter. This is not in any way a bad thing, however, in fact if the heatsink is hot, it is a good thing, it means the heat is being conducted away from the cpu and the sink can do its job.
If there is NO thermal paste, then the heat will not be transferred as efficiently to the heatsink from the cpu, and thus the heatsink will have a lesser "load", so it will be cooler, yet the cpu will be hotter, because the heat cannot transfer from it to the heatsink. Thus, a cool to the touch heatsink on a processer that runs characteristicallly hot is something I would personally be worried about.
*whew*
This is very technical even you can not understand of course the way you explain it is very misleading
i can explain it better but you head is too thick so I'm not going to even bother.
Have a nice day, anyway.
Have a nice day, anyway.
Originally posted by: Maluno
Ok... *correction*
--Thermal paste, whether present or not, has absolutely no effect on the ability of the heatsink to disperse heat that has already been TRANSFERRED to it. The use of thermal paste will help increase the transfer of thermal energy between the cpu and itself, and thus the heatsink will be more heavily "loaded", and it will be hotter. This is not in any way a bad thing, however, in fact if the heatsink is hot, it is a good thing, it means the heat is being conducted away from the cpu and the sink can do its job.
If there is NO thermal paste, then the heat will not be transferred as efficiently to the heatsink from the cpu, and thus the heatsink will have a lesser "load", so it will be cooler, yet the cpu will be hotter, because the heat cannot transfer from it to the heatsink. Thus, a cool to the touch heatsink on a processer that runs characteristicallly hot is something I would personally be worried about.
*whew*
qft. great explanation.
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