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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1463

post #14621 of 38701
http://www.swiftech.com/HD7900-HSF.aspx

Try this. When i had 7950 i though about buying this.
post #14622 of 38701
Hmmm my first black/blank screen after 12.8 drivers... hope it was just a fluke...
post #14623 of 38701
Cleaned out the old drivers, installed 12.8 and ran the card at 925MHz for a base. Ran BF3 in single screen and Eyefinity on medium setting no crashes. Also, I disabled the UPnP on my router and oddly enough that does seem to have helped. Hopefully it's not a placebo effect
post #14624 of 38701
Quote:
Originally Posted by Andrazh View Post

http://www.swiftech.com/HD7900-HSF.aspx
Try this. When i had 7950 i though about buying this.

Will my accelero fit inside that hole?
I know it won't fit in the reference cooler baseplates hole.

If it fits i'm buying it cause my card can do 1300Mhz+ with 1.299v but the VRM's make the card black screen within 1-2 minutes running that kinda juice.

I got a spare accelero laying around with busted up screwthreading so I can use that as a mock-up or as a measuring device if only I knew how big that hole is and how high the fins are frown.gif
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post #14625 of 38701
Quote:
Originally Posted by Imprezzion View Post

Damn, VRM's just hit 103c in BF3.. man oh man. I really needa fix these VRM temps wiith those crappy Arctic sinks...
You should try to re-mount the cooler/small VRM heatsink, or mount them and wait 24-48 hours before putting card back in the case.

I have two friends with same card and cooler, and they VRM are at about 70C-75C.
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post #14626 of 38701
Yeah, 75c, but what ambient and what voltage.
It's 29c ambient here and i'm running 1.237v now.
At the stock 1.112v they also do about 65-70c with this ambient.
Problem I got is that with the reference cooler, 1.299v is do-able with VRM temps, but with these sinks it aint.
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post #14627 of 38701
Quote:
Originally Posted by Imprezzion View Post

Yeah, 75c, but what ambient and what voltage.
It's 29c ambient here and i'm running 1.237v now.
At the stock 1.112v they also do about 65-70c with this ambient.
Problem I got is that with the reference cooler, 1.299v is do-able with VRM temps, but with these sinks it aint.
Ambient is higher, they are in Croatia. Its extremely hot here these days, passing 40C.

Dont know about voltages. But anyway 103C is just too much imho.
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post #14628 of 38701
Well, I managed to get the VRM's under 90c loaded by pulling off the Arctic cooling triple fan module and mounting 2 Scythe SLipstream 1600RPM 88CFM 120mm's to the cooler with a buncha rubber bands haha.

Dropped the core a good few degrees to 31c idle and 62c max loaded in BF3. Also made the VRM's drop from ~103c max to ~88c max.

Case has no window anyways so IDC how it looks. It performs pretty well.

If I have some vacation money to spare I might buy that Swiftech cooling plate to see if it fits and if it doesnt? Well, good reason to go WC and buy a pump, res, rad and a non-fullcover block.
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post #14629 of 38701
Quote:
Originally Posted by Imprezzion View Post

Well, I managed to get the VRM's under 90c loaded by pulling off the Arctic cooling triple fan module and mounting 2 Scythe SLipstream 1600RPM 88CFM 120mm's to the cooler with a buncha rubber bands haha.

Dropped the core a good few degrees to 31c idle and 62c max loaded in BF3. Also made the VRM's drop from ~103c max to ~88c max.

Case has no window anyways so IDC how it looks. It performs pretty well.

If I have some vacation money to spare I might buy that Swiftech cooling plate to see if it fits and if it doesnt? Well, good reason to go WC and buy a pump, res, rad and a non-fullcover block.

Would you mind posting some pictures? eek.gif

My Accelero also gets my VRM's toasty at about 98*C at 1.225v. If I could lower that, so I could push more voltage, I could get 1300 stable instead of 1200. biggrin.gif
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post #14630 of 38701
NEW GPU-Z READS VRM TEMPS

I see all these posts about vrm temps and would just like to mention that the new GPU-Z also shows vrm temps!

By the way... with reference air cooling my vrm temps are always 10C below the core temps. Lets hope that this will be the case after i install the swiftech waterblocks as well smile.gif
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