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The Benifits of Decent Cooling on a 8800GT (Accelero S1)

ok tried for 770 core plays crysis for 10 mins then borks... temps were cracking though, and think borking is a driver issue as windows reports a non responsive driver(169.09 still has issues imho)

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Shows how well the Accelero can get rid of the heat, as my case is small, cramped and basically a mess compared to a lot of folks on here!
 
Mr Sniper said:
I've been watching this thread closely, its been interesting seeing everyones results! So much so that I've placed an order for an S1 too, as everyone else is in limbo or wondering though, what is to be done with the voltage regulators?
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i fitted some cooler master mini heatsinks to them, they were cheap from a certain auction site. they fitted nice and snugly under the S1's fins.


going to roll back drivers now to see if i can get 771 stable
 
KelticDaz said:
800/2000/2200 !?!

You jest!

That's some overclock!!

What temps do you get at that level under load?
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Took some healthy competition. ATiTool shown below, gives an idea of stability, but doesn't reach max loads. To check the maximum temps use the ozone3d benchmark. Gets to mid-late 50's pushed to the limits. There's a few hot spots far worse than the ram, one of the worst is a memory reg on the back, gets to over 100C. A few heatsinks will sort them out. Increasing the shader clocks gives better performance, but generate a lot of heat. With the higher VID from the bios 1800-1850 should easy with most cards.

 
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taken after the first 3dmark test "return to proxycon" at 756, will not run at 770 :mad:

38 full load ;)


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nuff messing, going to get into COD4 for a few hours.

Bye.
 
Thought I would add a new cooler to my Sparkle 8800GT's as they were getting pretty hot! After gaming was over 80'C!

I thought I would try the Akasa AK-VC02-RD Vortexx VGA Cooler as I did not want something as big as the S1 as my case is limited in size and I am running SLI. I also did not want to pay a fortune and it only cost me £12 - the same as the S1.

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Not too big - decent size. Pretty decent quality for the price.

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The RAM Heatsinks stuck on really well. No probs what so ever.

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All on and fitted, look pretty good and was more what I was looking for...but

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As you can see this plastic bit sits over the edge a little bit. But no worries as still fitted in the case easy enough.

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Have not really had time to play about with overclocking, temps etc as im pretty tired, but idle temp was sitting at 34'C which is a huge improvement! Its also quieter than the stock cooler. Will update when I have a play about. Its possibly not as good as the S1 but it is smaller.

Only prob now is under my second GFX Card, there is a power socket for SLI mode on my Abit board. Going to struggle to get my power plug into this socket as when its plugged in I cant get my 2nd GFX card in - Damn Abit! Any ideas???

Thanks to everyone for this post, has helped me in doing this in the first place. Hopefully this can help someone else.
 
Generally its better to orientate the ramsinks radially outwards from the core to channel the air away from the card. You might want to put some sinks on the power mosfets if you're overclocking. It'll help the stability. I have a IR thermometer, handy little device, I usually scan the IC for hot spots.

Some good info here, temps with sinks on.

http://www.xtremesystems.org/forums/showpost.php?p=2568966&postcount=341
 
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That would have made sense! I should have thought of that...oh well a bit late now - should still be fine. Will look to get some sinks on the mosfets. Cheers for the info! :)
 
helmutcheese said:
BTW, just got some info (cant verify it).

The low profile DuoOrb is the older version and had issues with heat on G80's, the newer rev is the taller one.
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Strange, every review I've read (quite a few) have all featured the low profile version. Every site (including USA) I've looked at where they're for sale has the low profile version...have not seen any reference to the other version at all when scoping, including Thermaltake's own site. And every single review has commented on its good performance. Weird. I'd prefer the slimmer version personally, looks way neater. Have you any further info on the newer version?
 
Same here, I said over on Extreme System that the Low Profile one was the new one, a Mod there said it was other way round. :confused:

I can understand the taller one cooling more but leaving you less room for other cards.
 
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Right, after testing that the card worked with the stock heatsink and doing a quick Crysis timedemo run (33% faster than my 2900 Pro @ XT speeds), I set off to install the S1.

Not a easy as I would have thought. First, as the included ramsinks apparently have crappy thermal adhesive, I had bought some higher quality stuff. What I didn't realise was that removing the crappy stuff would be so annoying difficult.

I ended up having to let the sinks sit in a pool of isopropyl alcohol for 10 minutes before I could start scraping off the gunk.

Then came the fitting of the main sink to the card. The plastic L-clips that you then have to lock into place with the T-clips took me ages to get right, as the instructions give no indication as to how low they should be.

Still, after frustrated fiddling about I got it all set up and sorted.

Cable tying a Nexus 120mm was easy, and my card now idles at 39ºC. Sadly, I didn't think to check the temp of the stock heatsink.

As this was all at around 11:30 last night, my girlfriend wanted to go to bed so I haven't had a go at clocking it yet.

This evening should be fun! :D
 
Greebo said:
And going to bed with your girlfriend last night wasn't? :p
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She only got in at 9pm, dinner, putting the pc back together again, and she had passed out, lol

It's ok though, don't plan to get out of bed til midday tomorrow.

And we will be waking up at 9 *evilgrin*
 
krooton said:
She only got in at 9pm, dinner, putting the pc back together again, and she had passed out, lol

It's ok though, don't plan to get out of bed til midday tomorrow.

And we will be waking up at 9 *evilgrin*
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Computer in your bedroom then? :p
 
ledbythereaper said:
ryansm, isnt the cooler meant to go the otherway round, so the exhaust blows out of a pci blanking plate
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Thats what I thought before I bought it, but it does not seem to fit on that way. It would be to low and card would not go into the PCI-e socket. I just followed the instructions and thats they way it told me to put it on. I would have liked it the other way.

The cooler has been working great. After running 3dmark06 tests and a few games I have the card overclocked to 700/1750/1000 and temp is around 50'C. Idles around 36'C. My Case Temp is also fine, no higher than it was before anyway.
 
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