heatsinks on the back of video cards???

[EZ Tutty]

ok i just looked through the graphics card modding gallery, and noticed a few ppl have heatsinks on the back of there cards, where the core is but on the other side, and i am wondering does this make much difference to cooling or is it just to make it look good?

as i have a spare large vantec copper heatsink (came with the iceberq i have on my northbridge) and was thinking of slapping it on the back (after first covering ever little bit of it with thermaltape so it won't short n e thing out)

[El<(')>Maxi]

On cards that generate alot of heat, yes, some people have seen some slight gains in OC and stability.

But on your 9600Pro which does not make alot of heat, it's not needed.

[slater3333uk]

IME It can make a surprisingly big differance and is certanly worth the effort

In the past it has given me upto -5C temp differnces and in some cases has given a good increse in overclocking potential. I have also done the same thing to northbridges and video ram most of the time given a noticably lower temp eaven more so when a smaller hsink is use on the top side of the chip.

[EZ Tutty]

i got bored and slapped it on the back of my card n e way, i'm gonna order a Vantec Iceberq4 2morrow, (i'm gonna order 2 so i get 8 ramsinks and sell just one of the actual coolers) and my zalman fan bracket and Thermaltake 92mm fan should be arriving 2morrow so once i've got it all in place i'll let u guys know how much it overclocks.

btw any one wanna buy a vantec iceberq4 (ramsinks not included) ??

[slater3333uk]

How much? pm me i may be interested

[pec86]

How would you go about putting a heatsink on the back of the card? Like what would you use to hold it in place.

[crull]

Originally posted by pec86
How would you go about putting a heatsink on the back of the card? Like what would you use to hold it in place.

Here is what I did on 2 graphic cards and it worked very well. Get some Artic Alumina thermal adhesive, and some blank copper penny sized slugs. Mix a little bit of the adhesive and put some on the back of the card slightly larger then a penny, you want it spread flat and high enough to clear any close by electronic devices. Let it dry. After its dry, mix another small batch and attach the copper slug to the back of the card, on top of the first bacth of the adhesive. The top of the slug should be higher then any electronic devices. Let that dry. The copper slug is the support for the heatsink you want to attach. It will raise your heastink high enough to clear the devices on the card. Mix another small batch and attach your heat sink to the copper slug. The Arctic Alumina adhesive is non conductive.

[crull]

You can get the pure copper slugs here if interested http://www.pressedpenny.com/slugs.html Any extra ones you have can be bent and used on other components as heatsinks.

[Mykex]

Just an FYI, if using US currency use a penny made pre 1942, it will be all copper. I've used this methode to add passive cooling to back of a V5500 I lapped old Abe off the the front and the wheat off the back and then sanded it into a square. It fit in nice between the resistors and even lap sanded it was still just tall enough to clear them.

[Supertrucker]

thats pre 1982 for the penny, around 1942, and for a few surrounding years, pennies were actually steel, copper was needed for shells for the war

[EZ Tutty]

i got my vantec iceberq4 this morning i fitted it and attached the ramsinks but i still can't oc past 486mhz on the core clock, any thing over isn't stable in games or 3dmark03, i'm guessing its voltage as everyone i know manages over 500mhz easily.

is there a volt mod for the 9600pro?

and if there is, is there a no perminant one, i don't want to have to solder my card.

[crull]

Originally posted by Supertrucker
thats pre 1982 for the penny, around 1942, and for a few surrounding years, pennies were actually steel, copper was needed for shells for the war

I could have used a penny, but pennies are generally not the same thickness all the way through. Not to mention having to sand off the images on both sides. The copper slugs are pure copper, and the same thickness all the way through.