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Message started by paulpsomiadis on 22.12.09 at 01:13:11

Title: Radeon 3870X2 ghetto mod...
Post by paulpsomiadis on 22.12.09 at 01:13:11
I want to add two "normal" (not blower style) PWM fans to my Radeon 3870X2 card and get rid of the noisy blower fan. ::)

The thing is that I've been trying to locate some right-angled fan adapters (or rather 45 degree ones) so that the air blows across the heatsinks at an angle (from inside, to outside the case - like with the default blower fan...) ;)

I can't seem to find these adapters ANYWHERE! :'(

Any ideas folks? :-?

Title: Re: Radeon 3870X2 ghetto mod...
Post by razrx on 22.12.09 at 02:50:51
Got any older style Dell PCs at your disposal?   I remember lots of them having shrouds that would right angle the air out the case for the CPU.  You could ghetto mod one of those (or more) to make a custom one for your video card.  The shrouds have fan mounting holes.  The ones I saw were all coloured green.  I don't remember the speeds of the machines though.  :)

Title: Re: Radeon 3870X2 ghetto mod...
Post by paulpsomiadis on 23.12.09 at 19:25:58
I have one of those in my parts bag - WAAAAAAY too huge! :o :P

Title: Re: Radeon 3870X2 ghetto mod...
Post by jandarsun8 on 29.12.09 at 17:17:21
There's not a third party dealer out there that sell anything like what your looking for? I'm just wondering, I haven't really looked at whats out there but the 3870x2 was a fairly popular card. I'd think there would be quite a few options out there for aftermarket coolers and something that your looking for. Good luck with modding it if that's what you end up doing with it though. 

Title: Re: Radeon 3870X2 ghetto mod...
Post by razrx on 29.12.09 at 19:05:16
What about duct tape?  It can be used to make anything.  LOL
Good luck!  ;)

Title: Re: Radeon 3870X2 ghetto mod...
Post by paulpsomiadis on 31.12.09 at 12:53:28
@razrx - umm well it can, but it would look weird... :o

@jandarsun8 - there are aftermarket coolers for the 4870x2 - sadly NOT for the 3870x2. ::)

The cards have a completely different component layout... :'(

BTW - does anyone know where I can get the pinout of the PWM blower fan that the 3870x2 uses? :-?

(Oh , and I've invested in two near silent 60mm PWM fans...) ;)

Title: Re: Radeon 3870X2 ghetto mod...
Post by razrx on 31.12.09 at 22:18:14
The site is in Swedish, but the link will translate for you:  http://translate.google.ca/translate?js=y&prev=_t&hl=en&ie=UTF-8&layout=1&eotf=1&u=http%3A%2F%2Fwww.sweclockers.com%2Fforum%2Fshowthread.php%3Fs%3D%26threadid%3D757503&sl=sv&tl=en

just in case here's the original link:  http://www.sweclockers.com/forum/showthread.php?s=&threadid=757503

Hope this helps.  :)

Title: Re: Radeon 3870X2 ghetto mod...
Post by paulpsomiadis on 04.01.10 at 05:20:15
Looks like the pinout is as follows...

BLACK = GND
RED = +5
YELLOW = +12
BLUE = PWM Control

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