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OT - Quick ques - does a slot 1 CPU need a fan ?
- Thread starter ColinP
- Start date
My fathers PII 233 runs with just the heatsink and its fine. Though I wouldn't like to say a 600Mhz CPU would be okay in the same situation.
I guess you could always try it and monitor the situation...either that or stop being a cheapskate and buy a fan 😀
Edit: I used to have a slot 1 PII300 and a slot 1 PIII800...both had fans.
I guess you could always try it and monitor the situation...either that or stop being a cheapskate and buy a fan 😀
Edit: I used to have a slot 1 PII300 and a slot 1 PIII800...both had fans.
SinfulWeeper
Diamond Member
That would need to be one hell of a heatsink in order to not use a fan. Slot 1 motherboards usually make the memory slots too close to the CPU socket and that tampers too much with cooling.
If it's a big heatsink like you say. Just put a small low RPM fan on there.
If it's a big heatsink like you say. Just put a small low RPM fan on there.
Slot 1 CPU's do demand a heatsink AND FAN. In most cases, companies like Dell and Compaq used their own custom cooling solutions consisting of one big heatsink (larger than the slot chip itself) so that one part with machined holes for air stuck out over the slot cartridge and was cooled by the airflow from a bigger passive fan nearby, OR the companies used just a big heatsink maybe 2x the size of the standard Intel unit and also had a passive fan near the chip cooling it.
It depends on the P3 also as to if you can get away with running it without a fan. There are 2 types of P3-600, the coppermine version akin to the socket 370 type, or the older Katmai version which still has external cache chips and is made using a larger die process and hence runs hotter.
The Katmai will not run without a fan at least passively blowing onto the cooler if it has a very larger heatsink. I know this as I had a P3-600 Katmai and it ran hot (although still not a match for todays CPU's) it just generates too much heat.
The coppermine version will run cooler but I can't honestly say how much cooler. I have a P3-800 slot 1 coppermine chip and even when running prime95 it gets lukewarm and thats with the standard intel heatsink and fan unit.
How to tell if its a Coppermine or Katmai chip? Apart from looking up the S-spec on Intel's website, the chip has an identification label on the top of the slot cartridge (opposite the connector side). Its broken down into the following format:
600 / XXX / YYY / Z.ZZ V(volts) S1
XXX will be either 512 or 256. There shouldn't be any other possibility. If its 512, its a Katmai. If its 256, its coppermine.
YYY is bus speed in MHz, either 100 or 133 will be there, but I'm assuming it will be 100.
Z represents the chip voltage. Katmai's use 2 or 2.05 volts, coppermines run at 1.6->1.7volts.
S1 denotes slot 1.
The only other issues you would face is if the motherboard supports the correct voltages for the coppermine chips or the 133MHz bus speed if its a 133MHz chip. Half the 440BX chipset motherboards don't support the coppermines at all well so check that out before you blow up the chip. The problem with the bus speed depends on the chipset also - the 440BX doesn't do 133MHz too well on some motherboards as the chipset doesn't support the correct AGP speed at that frequency so you would be forced to use a PCI graphics card. Other chipsets such as the VIA 694X, or the i815 handled these problems because they are a lot newer.
It depends on the P3 also as to if you can get away with running it without a fan. There are 2 types of P3-600, the coppermine version akin to the socket 370 type, or the older Katmai version which still has external cache chips and is made using a larger die process and hence runs hotter.
The Katmai will not run without a fan at least passively blowing onto the cooler if it has a very larger heatsink. I know this as I had a P3-600 Katmai and it ran hot (although still not a match for todays CPU's) it just generates too much heat.
The coppermine version will run cooler but I can't honestly say how much cooler. I have a P3-800 slot 1 coppermine chip and even when running prime95 it gets lukewarm and thats with the standard intel heatsink and fan unit.
How to tell if its a Coppermine or Katmai chip? Apart from looking up the S-spec on Intel's website, the chip has an identification label on the top of the slot cartridge (opposite the connector side). Its broken down into the following format:
600 / XXX / YYY / Z.ZZ V(volts) S1
XXX will be either 512 or 256. There shouldn't be any other possibility. If its 512, its a Katmai. If its 256, its coppermine.
YYY is bus speed in MHz, either 100 or 133 will be there, but I'm assuming it will be 100.
Z represents the chip voltage. Katmai's use 2 or 2.05 volts, coppermines run at 1.6->1.7volts.
S1 denotes slot 1.
The only other issues you would face is if the motherboard supports the correct voltages for the coppermine chips or the 133MHz bus speed if its a 133MHz chip. Half the 440BX chipset motherboards don't support the coppermines at all well so check that out before you blow up the chip. The problem with the bus speed depends on the chipset also - the 440BX doesn't do 133MHz too well on some motherboards as the chipset doesn't support the correct AGP speed at that frequency so you would be forced to use a PCI graphics card. Other chipsets such as the VIA 694X, or the i815 handled these problems because they are a lot newer.
SinfulWeeper
Diamond Member
The PIII's were not all that much cooler than AMD's counterparts.
I had burned my hand on a AMD CPU from a friend that did not know how to build computers. It kept crashing and crashing... well powering down and powering down anyways. When I opened up the case to take a peak inside. I seen the problem right away. What I did not know is after a minute, that CPU was still going to be very damn hot... 😱
I had burned my hand on a AMD CPU from a friend that did not know how to build computers. It kept crashing and crashing... well powering down and powering down anyways. When I opened up the case to take a peak inside. I seen the problem right away. What I did not know is after a minute, that CPU was still going to be very damn hot... 😱
Assimilator1
Elite Member
Colin
Just stick a fan on it you cheap skate Northerner😉😀😛
I have seen a PII 450 with a huge HS on it with no fan (Dell I think) ,it relied on the air from the PSU.
PIII 600 Kats were known for running hot so it should definately have a fan.
Btw PIII 600 Kats ran at 2.05v vcore
Just stick a fan on it you cheap skate Northerner😉😀😛
I have seen a PII 450 with a huge HS on it with no fan (Dell I think) ,it relied on the air from the PSU.
PIII 600 Kats were known for running hot so it should definately have a fan.
Btw PIII 600 Kats ran at 2.05v vcore
Hi all,
thanks for the replies..
It's a coppermine CPU (256k cache, 100FSB).
I may be able to use his existing HS/FAN, haven't seen the PC yet, he lives miles away.
Well, it's been running in a Dell G1 since my first post without a H/S and it's doing UD..
Don't know what the temps are.
The PII-400 in the Dell had a big heatsink with a little fan bolted to the end to blow air through the fins.
This new heatsink doesn't have mounting points like that..
I'll use a fan just to be safe then...
cheers guys,
Col
thanks for the replies..
It's a coppermine CPU (256k cache, 100FSB).
I may be able to use his existing HS/FAN, haven't seen the PC yet, he lives miles away.
Well, it's been running in a Dell G1 since my first post without a H/S and it's doing UD..
Don't know what the temps are.
The PII-400 in the Dell had a big heatsink with a little fan bolted to the end to blow air through the fins.
This new heatsink doesn't have mounting points like that..
I'll use a fan just to be safe then...
cheers guys,
Col
Assimilator1
Elite Member
^^ he ignores my blatant p*ss take 😛😉
Seeing as thats a coppermine & it has a big HS ,with the fan fitted it should overclock very nicely,somewhere around the 800-900MHz mark🙂,assuming the RAM & AGP card etc could take it.
I had a PIII 650@826 & that only had a fairly small HS with small dual fans
Seeing as thats a coppermine & it has a big HS ,with the fan fitted it should overclock very nicely,somewhere around the 800-900MHz mark🙂,assuming the RAM & AGP card etc could take it.
I had a PIII 650@826 & that only had a fairly small HS with small dual fans
My Dell Katmai 500Mhz CPU only had a heatsink with no fan. When I upgraded the processor to a 1ghz SLOT CPU, it was an Intel Boxed version with heatsink and fan.
So, it's not unusual for Dell to have put out these CPUs without fans. Not sure what the difference would be temperaturewise between Katmai and Coppermine....Dell didn't have heat sensors in this system 🙁
So, it's not unusual for Dell to have put out these CPUs without fans. Not sure what the difference would be temperaturewise between Katmai and Coppermine....Dell didn't have heat sensors in this system 🙁
networkman
Lifer
Yeah, what that cane-wielding guy(Ray) said. 🙂
I've seen some of the lower end p3s and p2s in machines like Gateways and Dells without a fan mounted to the HS, but most of those had a fan ducted over to the chip area so that there was directed flow of air. 😉
I've seen some of the lower end p3s and p2s in machines like Gateways and Dells without a fan mounted to the HS, but most of those had a fan ducted over to the chip area so that there was directed flow of air. 😉
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