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New cooling idea for graphics

D

DerwenArtos12

Diamond Member
Is there anywhere I can find a heasink about an inch tall and about 2.5 inches wide by about 3.5 inches long. I wan to cover the gpu and ram with one big heatsink then make a duct to an 80mm side fan so that I can use the side fan to suck in cool air, duct it right across the vid card and out the back. My own improvement over the artic coolin vga silencer design.
 
Originally posted by: HappyPuppy
Are the gpu and ram the exact same height above the pcb?
Click to expand...

That's the main problem I see; the GPU is likely to be higher than the RAM, so some milling would be needed for that area. I'd assume it'd be easier to just use one of Arctic Cooling's cooling assemblies, and install a case fan on the side panel. It wouldn't be ducted, but it'd still work about as well.
And for cooling the RAM, I slice up old Pentium heatsinks with a bandsaw, and attach them with Arctic Silver 2 and some epoxy. It seems to get the job done. I did try some active RAM cooling on a Geforce2 Pro once. Those were some cheap little coolers I bought at a surplus place awhile back - they were originally 3dfx coolers. The thing in the middle is a Tennmax Lasagna heatsink. It was mainly a silly experiment. It didn't really give that much of an increase in the overclocking ceiling. So I just use passive RAM cooling now. Well, except for the 120mm side-panel intakes I use in my cases.
 
yeah I have a vga silencer and it works great but I woudl like something that mounts teh heatsink fins closer to the gpu, that 1/2" block of aluminum between tehm seems like it has to be hindering perfromance, maybe I will just cut that block in half. I have an old aluminum heatsink from a k6 that woudl work I am sure. It isn't the ideal but it should work. I could do the milling on a solid heatsink though, it owuld look very nice and perom extremely well. But if I can't fink a solig heatsink beig enough then oh well.
 
you'd be better off with multiple heatsinks, given the different heights. If you have the equipment, saw apart some heatsink with tall fins (or pins!) for the RAM. Or buy some to do the job with.
Text

The duct idea should work regardless of what heatsink or how it is attached, as long as there is plenty of air flowing over the GPU.
 
Originally posted by: Jeff7
Originally posted by: HappyPuppy
Are the gpu and ram the exact same height above the pcb?
Click to expand...

That's the main problem I see; the GPU is likely to be higher than the RAM, so some milling would be needed for that area. I'd assume it'd be easier to just use one of Arctic Cooling's cooling assemblies, and install a case fan on the side panel. It wouldn't be ducted, but it'd still work about as well.
And for cooling the RAM, I slice up old Pentium heatsinks with a bandsaw, and attach them with Arctic Silver 2 and some epoxy. It seems to get the job done. I did try some active RAM cooling on a Geforce2 Pro once. Those were some cheap little coolers I bought at a surplus place awhile back - they were originally 3dfx coolers. The thing in the middle is a Tennmax Lasagna heatsink. It was mainly a silly experiment. It didn't really give that much of an increase in the overclocking ceiling. So I just use passive RAM cooling now. Well, except for the 120mm side-panel intakes I use in my cases.
Click to expand...

hahah that GF2 would probably take off if it wernt in a AGP slot
 
Would not the gpu be much hotter than the ram? Would you run the risk of the gpu heating up the heatsink, then transfering that heat to the ram, making the ram hotter than it was without additional cooling? Maybe a plastic template with individual heatsink cutouts and separate heatsinks would work and still get the tunneling effect you are looking for.
 
Originally posted by: TStep
Would not the gpu be much hotter than the ram? Would you run the risk of the gpu heating up the heatsink, then transfering that heat to the ram, making the ram hotter than it was without additional cooling? Maybe a plastic template with individual heatsink cutouts and separate heatsinks would work and still get the tunneling effect you are looking for.
Click to expand...

I don't know about the x800's but my 9600 has core temps of about 100F adn the ram is usually about 110F at mild use and they top out around 115F and 125F, that is with an artic cooling vga silencer without any of that plastic stuff that comes with it, passive style, and some cheap short ramsinks on the ram.
 
Originally posted by: Cerb
you'd be better off with multiple heatsinks, given the different heights. If you have the equipment, saw apart some heatsink with tall fins (or pins!) for the RAM. Or buy some to do the job with.
Text

The duct idea should work regardless of what heatsink or how it is attached, as long as there is plenty of air flowing over the GPU.
Click to expand...

I actually have one of those artic alumia epoxied on to the southbridge of my mobo. dropped the temps almost 20F degrees.
 
Originally posted by: DerwenArtos12
Originally posted by: TStep
Would not the gpu be much hotter than the ram? Would you run the risk of the gpu heating up the heatsink, then transfering that heat to the ram, making the ram hotter than it was without additional cooling? Maybe a plastic template with individual heatsink cutouts and separate heatsinks would work and still get the tunneling effect you are looking for.
Click to expand...

I don't know about the x800's but my 9600 has core temps of about 100F adn the ram is usually about 110F at mild use and they top out around 115F and 125F, that is with an artic cooling vga silencer without any of that plastic stuff that comes with it, passive style, and some cheap short ramsinks on the ram.
Click to expand...
...and my 5900XT runs 70-92C gaming (ZM80C-HP with a fan). I doubt the RAM get anything near that, but should warrant heatsinks, as much for use as spreaders as for extra heat dissipation.

ATI's 9600s run very cool.
 
Originally posted by: Cerb
Originally posted by: DerwenArtos12
Originally posted by: TStep
Would not the gpu be much hotter than the ram? Would you run the risk of the gpu heating up the heatsink, then transfering that heat to the ram, making the ram hotter than it was without additional cooling? Maybe a plastic template with individual heatsink cutouts and separate heatsinks would work and still get the tunneling effect you are looking for.
Click to expand...

I don't know about the x800's but my 9600 has core temps of about 100F adn the ram is usually about 110F at mild use and they top out around 115F and 125F, that is with an artic cooling vga silencer without any of that plastic stuff that comes with it, passive style, and some cheap short ramsinks on the ram.
Click to expand...
...and my 5900XT runs 70-92C gaming (ZM80C-HP with a fan). I doubt the RAM get anything near that, but should warrant heatsinks, as much for use as spreaders as for extra heat dissipation.

ATI's 9600s run very cool.
Click to expand...

aparently so. Does anyone have running tempuratures for an x800pro? I wanna get some kind of idea just how big of a heatsink I am gona put on it. I am definatly going to use a single heasink on the back/top of the board over all the ram. I am also thinking of using a single heatsink ofr the gpu side but cutting it so that there is a big L for the ram and teh rest for the gpu. I am dewfinatly not goin gto cut it till I get the card though. I would love it if I could easily just build up or grink down par of it to use one solid heatsink for the whole thing. Can I get a concensus that a 1" tall heatsink for the gpu side and a 1/2" heatink ofr the other side be enough?
 
allright I have a new idea that may allow me to salvage the origonal idea. Buy one of these and remove all teh extra stuff jus leaving me with a bare copper heatsink, and a big one at that. trim id down to about 50mmx50mm by whatever height it is and drill tow new holes for mounitng. and slice up two of these for 8x 15mmx15mmx30mm ramsinks. then duct both side from a side case fan out the back.
 
Originally posted by: DerwenArtos12

I don't know about the x800's but my 9600 has core temps of about 100F adn the ram is usually about 110F at mild use and they top out around 115F and 125F, that is with an artic cooling vga silencer without any of that plastic stuff that comes with it, passive style, and some cheap short ramsinks on the ram.
Click to expand...

How do you measure that?
 
Originally posted by: thuper
Originally posted by: DerwenArtos12

I don't know about the x800's but my 9600 has core temps of about 100F adn the ram is usually about 110F at mild use and they top out around 115F and 125F, that is with an artic cooling vga silencer without any of that plastic stuff that comes with it, passive style, and some cheap short ramsinks on the ram.
Click to expand...

How do you measure that?
Click to expand...

With a thermal probe I got from FrozenCpu.com.
 
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