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PIII - does this heatsink need a fan?
Hi group!
I want to replace the PII-350mHz on my ASUS P2B board with this PIII-550mHz CPU from eBay. Have a look at it he http://members.shaw.ca/haruspex/P3/P3_Heatsink.html It has a Compaq sticker on it, no scratches on the contacts, so probably new old-stock. This heatsink has no fan, nor does it look like a fan would mount on it. Lots of aluminum, though. Question: Is this designed to run without a fan? Anyone into Compaq lore? TIA, - Ralph |
#2
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PIII - does this heatsink need a fan?
"Ralph Innes" wrote in message
30... Hi group! I want to replace the PII-350mHz on my ASUS P2B board with this PIII-550mHz CPU from eBay. Have a look at it he http://members.shaw.ca/haruspex/P3/P3_Heatsink.html It has a Compaq sticker on it, no scratches on the contacts, so probably new old-stock. This heatsink has no fan, nor does it look like a fan would mount on it. Lots of aluminum, though. Question: Is this designed to run without a fan? Anyone into Compaq lore? I can't actually answer your question directly, but my PII 333MHz used to have a fan, so I guess this 550 one should as well with the stock heatsink, but that is a big heatsink for a PII, so perhaps not. I would suggest trying it and see what the temperatures are - get some free temperature monitoring software and google for PII operating temperatures. If it runs a too hot, then you can always run with the side off the case and point a desk fan at it, while you get some kind of bracket+fan attachment setup to point at it permanently. |
#3
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PIII - does this heatsink need a fan?
"Ralph Innes" wrote in message 30... Hi group! I want to replace the PII-350mHz on my ASUS P2B board with this PIII-550mHz CPU from eBay. Have a look at it he http://members.shaw.ca/haruspex/P3/P3_Heatsink.html It has a Compaq sticker on it, no scratches on the contacts, so probably new old-stock. This heatsink has no fan, nor does it look like a fan would mount on it. Lots of aluminum, though. Question: Is this designed to run without a fan? Anyone into Compaq lore? TIA, - Ralph If your new PIII was from a Compaq, There was a shroud covering the CPU that directed the air flow out the fan on the back of the case. I have seen those same chips used without the shroud, but with good airflow through the case. |
#4
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PIII - does this heatsink need a fan?
On Thu, 15 Nov 2007 14:03:41 GMT, Ralph Innes
wrote: Hi group! I want to replace the PII-350mHz on my ASUS P2B board with this PIII-550mHz CPU from eBay. Have a look at it he http://members.shaw.ca/haruspex/P3/P3_Heatsink.html It has a Compaq sticker on it, no scratches on the contacts, so probably new old-stock. This heatsink has no fan, nor does it look like a fan would mount on it. Lots of aluminum, though. Question: Is this designed to run without a fan? Anyone into Compaq lore? It cannot run without a fan unless a specially designed duct is used to channel the airflow (exhausted by PSU usually at that point in time though perhaps they had already switched to the more modern method of exhaust out a rear case fan) though it. By "specially designed" I don't necessarily mean you need the one Compaq used, but one you design to work with your case and fan locations. Making such a duct isn't terribly hard but takes more materials and longer than putting a fan on the 'sink instead. By modern standards they aren't very hot running but certainly hot enough to need more than that heatsink if installed into a system without ducting. Easier than the duct would be to find a way to strap the fan on. One way appears to be slipping a couple of nylon wire ties through the heatsink channels between it and the CPU to strap down the fan... using multiple nylon ties linked together if they aren't long enough. Another way would be to take your desired fan, perhaps a 60mm diameter would fit but I'm unsure, maybe only 50mm, holding it on the heatsink to note what spaces between the 'sink tines correspond to the mounting holes in the fan frame and marking those fin positions. Next take some threaded brass inserts matching the intended screw, or some hunks of plastic (maybe the smaller end of a plastic ink pen) and place them in the right positions in the 'sink tines and liberally apply epoxy around them (but not in their screw hole) to secure them. Another option would be to drill a couple holes through the 'sink corresponding to the two fan frame holes on one end, on the portion of the 'sink that extends up higher than the processor. Two tight nuts and bolts should hold the fan on sufficiently, though if it vibrates you might need a bumper on the bottom or some washers as spacers to get the bottom half of the way a short distance away from the heatsink. Another option would be pulling the back of the CPU casing off, popping off the clips than hold the heatsink on and installing your own. Similar to the fan mount methods, there are other ways to mount it. I have in the past taken a plain old, roughly 60mm square heatsink meant for a socket 370 processor and just strapped it onto a slot 1 Celeron using nylon wire ties (and of course heatsink grease inbetween them). You could instead drill out holes in the heatsink tapped to accept a small bolt or threaded from a metal screw inserted through the CPU PCB holes, but IIRC those holes are fairly small. |
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PIII - does this heatsink need a fan?
Ralph Innes wrote:
Hi group! I want to replace the PII-350mHz on my ASUS P2B board with this PIII-550mHz CPU from eBay. Have a look at it he http://members.shaw.ca/haruspex/P3/P3_Heatsink.html It has a Compaq sticker on it, no scratches on the contacts, so probably new old-stock. This heatsink has no fan, nor does it look like a fan would mount on it. Lots of aluminum, though. Question: Is this designed to run without a fan? Anyone into Compaq lore? TIA, - Ralph Have you read the FAQ for P2B ? Check the board revision, to see what upgrade options are available. http://homepage.hispeed.ch/rscheideg...grade_faq.html Paul |
#6
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PIII - does this heatsink need a fan?
RIAA wrote:
"Ralph Innes" wrote in message 30... Hi group! I want to replace the PII-350mHz on my ASUS P2B board with this PIII-550mHz CPU from eBay. Have a look at it he http://members.shaw.ca/haruspex/P3/P3_Heatsink.html It has a Compaq sticker on it, no scratches on the contacts, so probably new old-stock. This heatsink has no fan, nor does it look like a fan would mount on it. Lots of aluminum, though. Question: Is this designed to run without a fan? Anyone into Compaq lore? TIA, - Ralph If your new PIII was from a Compaq, There was a shroud covering the CPU that directed the air flow out the fan on the back of the case. I have seen those same chips used without the shroud, but with good airflow through the case. Actually, in this case the CPU was at the front of the motherboard, lying down in it's slot as opposed to sitting perpendicular to the board and there was a fan at the front of the case (unshrouded) blowing over the heatsink. To fit that CPU into a normal, perpendicular Slot 1 you'll have to take a hacksaw or Dremel to the sides of the (Foxcon) heatsink as it won't fit, it's too wide. However, there's nothing stopping you doing that. Or swapping the heatsink, it's clipped on. I've done the same thing using a Compaq Slot 1 CPU. In fact I even have what's left of the heatsink in my drawer. I've cut bits off it over the years to make RAM and MOSFET sinks. -- TTFN, Shaun. |
#7
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PIII - does this heatsink need a fan?
On Sat, 17 Nov 2007 00:35:27 +1300, "~misfit~"
wrote: If your new PIII was from a Compaq, There was a shroud covering the CPU that directed the air flow out the fan on the back of the case. I have seen those same chips used without the shroud, but with good airflow through the case. Actually, in this case the CPU was at the front of the motherboard, lying down in it's slot as opposed to sitting perpendicular to the board and there was a fan at the front of the case (unshrouded) blowing over the heatsink. To fit that CPU into a normal, perpendicular Slot 1 you'll have to take a hacksaw or Dremel to the sides of the (Foxcon) heatsink as it won't fit, it's too wide. Good eye, I completely overlooked how wide the 'sink was... leave it to Compaq to do things the hard way. |
#8
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PIII - does this heatsink need a fan?
Somewhere on teh interweb kony typed:
On Sat, 17 Nov 2007 00:35:27 +1300, "~misfit~" wrote: If your new PIII was from a Compaq, There was a shroud covering the CPU that directed the air flow out the fan on the back of the case. I have seen those same chips used without the shroud, but with good airflow through the case. Actually, in this case the CPU was at the front of the motherboard, lying down in it's slot as opposed to sitting perpendicular to the board and there was a fan at the front of the case (unshrouded) blowing over the heatsink. To fit that CPU into a normal, perpendicular Slot 1 you'll have to take a hacksaw or Dremel to the sides of the (Foxcon) heatsink as it won't fit, it's too wide. Good eye, I completely overlooked how wide the 'sink was... leave it to Compaq to do things the hard way. Yeah. As I mentioned, this beast of a CPU/HS was mounted horizontally, it slid into a completely different mounting arrangement to other Slot 1 CPUs. Still, it was a good source of finned aluminium for making small 'sinks. :-) I probably still have some of it.... LOL, sure enough. I even have the bit that has the model of the HS on it; Foxconn 400342-002 E. -- TTFN, Shaun. |
#9
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PIII - does this heatsink need a fan?
On Sat, 17 Nov 2007 18:03:16 +1300, "~misfit~"
wrote: Yeah. As I mentioned, this beast of a CPU/HS was mounted horizontally, it slid into a completely different mounting arrangement to other Slot 1 CPUs. Still, it was a good source of finned aluminium for making small 'sinks. :-) I probably still have some of it.... LOL, sure enough. I even have the bit that has the model of the HS on it; Foxconn 400342-002 E. Same here. A majority of the larger heatsinks I got for free and cut into smaller pieces did come from Compaq processors. I have so many heatsink pieces that at this point, anything other than reusing what I have seems a terrible waste. The primary problem is I'm too lazy to put my arctic silver epoxy into a freezer so it only has about 1 year shelf life after 1st used. |
#10
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PIII - does this heatsink need a fan?
Somewhere on teh interweb kony typed:
On Sat, 17 Nov 2007 18:03:16 +1300, "~misfit~" wrote: Yeah. As I mentioned, this beast of a CPU/HS was mounted horizontally, it slid into a completely different mounting arrangement to other Slot 1 CPUs. Still, it was a good source of finned aluminium for making small 'sinks. :-) I probably still have some of it.... LOL, sure enough. I even have the bit that has the model of the HS on it; Foxconn 400342-002 E. Same here. A majority of the larger heatsinks I got for free and cut into smaller pieces did come from Compaq processors. I have so many heatsink pieces that at this point, anything other than reusing what I have seems a terrible waste. The primary problem is I'm too lazy to put my arctic silver epoxy into a freezer so it only has about 1 year shelf life after 1st used. That reminds me, mine is had it too, next order I put in must tack some on. I'm currently waiting on the availablity of a Thermalright bolt-thru kit: http://www.thermalright.com/a_page/m...75_kit_new.htm I can't find a stockist in NZ who has it, I have OC NZ waiting on an email from the NZ Thermalright agent, then they're going to contact me. My Thermaltake Mini Typhoon (all copper, quite a high cooler in a tower case) is a bit heavy for those silly little plastic clips, I want to secure it a bit better. I'll find out about this thing, it's got to be easier than finding bolts/nuts/washers/springs/sleeves(?) seperately. Oh, here's the last bit of heatsink making I did, just a few days ago for my new machine: http://test.internet-webmaster.de/upload/1194772850.jpg http://test.internet-webmaster.de/upload/1194772909.jpg http://test.internet-webmaster.de/upload/1194772944.jpg http://test.internet-webmaster.de/upload/1194772969.jpg (with a little thermal paste on the MOSFETs) The result: http://test.internet-webmaster.de/upload/1194947570.jpg I'm happy with my new cheap CPU. Running at the same speed as the very fastest that Intel make for about 20% of the price. Rock-stable of course, with a heathy temperature margin. Cheers, -- Shaun. |
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