7970/50 Arctic Accelero Users

LtMatt · 14 Feb 2013 at 19:15

MOOGLEYS said:
Mine are not solid stuck they remain removable but enough to hold them on. I used plenty of goop and gave it a nice long dry time to be sure...

Put loads on (if its g1 and not the actually glue) and hold down for 30 seconds per heatsink. That's what i did.

Frenzy said:
Yeah i mixed a white and grey pack for 5 min then applied the paste generously, made quite a mess actually

God i wish i could get my hands on some of that stuff. Did you buy from ocuk? I've considered buying a second one just so i can get some more g1 goodness.

LtMatt · 14 Feb 2013 at 19:19

That bottom heatsink looks like its touching the metal. If it is the card might short then you have an expensive paper weight.

LtMatt · 14 Feb 2013 at 19:24

Frenzy said:
The bottom ramsink? I put in a gap now, it was touching... I didn't realise it could short like that...

The heatsinks must never touch the main base of the cooler, just remember that. Did you use the insulation strips to protect the vrms ? There are 3 locations to protect. Its debatable if you need to protect all 3, but i did. If you look further back in the thread Moogleys posted a picture. I think i might have as well.

LtMatt · 14 Feb 2013 at 19:33

Perfect. There is also a vrm on the top left corner, where the skinny heatsink meets the tall one. However i don't think its essential to put a strip there but i did just in case. I know others in this thread didn't so you should be ok.

LtMatt · 14 Feb 2013 at 19:44

Good job and welcome to the club. Post back with your stock and overclocked temps for comparison. Include vrm temps as well plox.

If you leave it in a warm room like i did. Curing time only took 6 hours for me on my second attempt.

LtMatt · 14 Feb 2013 at 19:56

TIme to buy a new case then Frenzy.

LtMatt · 14 Feb 2013 at 20:07

Tommy knows all about dremels.

LtMatt · 15 Feb 2013 at 10:28

Did you leave it in warm room? If it was cold then it will take longer.

LtMatt · 15 Feb 2013 at 17:18

Were those at stocks speeds? I have to be honest i think with this G1 stuff if the heatsink falls off before it cures your temps will not be as good as they could be. That's what i found during my two installs. You really need to nail it the first time with this. Its so stupid how they don't give you more G1, or even sell it any more. Urgh, don't get me started on that again.

EDIT

I notice you have a quite a bit of sag as well. I used my pci-e power cables to help support the card. When screwing the card into the case push the card up and hold it there before you tighten the screws firmly, this can also help to remove the sag.

LtMatt · 15 Feb 2013 at 17:24

MOOGLEYS said:
Not sure the worry they are rated to 125.c so well within limits... ? Get the bugger cooking...

Are they really though? I looked this up, looked for an official data sheet and couldn't find it. All i could find was the CHL8228 temp and that was 85c. I even asked Thracks the AMD rep what the maximum safe values were for Core, RAM and VRM and he said "Generally speaking, we recommend 90C or less for everything.".

LtMatt · 15 Feb 2013 at 17:31

Stop!! Do not use Kombuster/Furmark to test stability or temps. It puts unrealistic load on the gpu.

Use Unigine Heaven 4.0 for now. http://www.techpowerup.com/downloads/2205/mirrors.php

Use these settings @ 1080p, then we can compare temps.

Put the accelero at 100% fan speed prior to running the benchmark. Will post back shortly with comparison temps from my 'good mount' of Accelero+G1.

LtMatt · 15 Feb 2013 at 17:38

Copy my settings above Frenzy, seems they changed the new screen of Unigine 4.0. This is my first time using it.

LtMatt · 15 Feb 2013 at 17:54

Frenzy said:
I used v3, still want me to load v4?
Think those VRM readings are wrong cause I left gpuz running without restarting it.

edit: also I think people are going for ultra quality and extreme tessellation with 8 AA, should we stick to that?

Good idea. I copied these from Kaap's thread. Use 4.0 please.

Mode = 1920*1080 8*AA Fullscreen
Preset = Custom
Quality = Ultra
Tessellation = Extreme

Will report back in due course.

LtMatt · 15 Feb 2013 at 18:45

Frenzy said:
Ok same sys setup but with unigine 4, with fans on 100% the VRM temps are really low

Anway this is all stock, I'm going to get high and eat I will be back later to push the card but I want the compounds to cook in a bit first.

Your temps look good to me, they are slightly better than mine. I guess the high's before were because you ran furmark and had the fan speed on 40%.

Interesting to note that you added a couple of extra heatsinks which i might try out next time i do a refit. One mistake i did make was using a small and skinny heatsink on the GDDRAM slot near the metal plate. Wish i had put a thicker one there now. Room temp was 26c.

What Asic is your card?

LtMatt · 15 Feb 2013 at 18:59

MOOGLEYS said:
Matt by the time you have finished you will be able to fit the cooler in the dark...

I know you don't even need to say it. I've already drawn up plans for what im going to do with my next refit. Seeing Frenzy's efforts has given me a second wind of energy to do it. As always though until i can find some paste my hands are tied.

LtMatt · 15 Feb 2013 at 19:10

Frenzy said:
Yeah I was still learning how to use the software

I stuck longer ones on and tried to cover as much area as I could on the bottom ram chip, I was tempted to stick an L shape on!
The L shape on VRMs I got from you and the last large ramsink I just stuck on the far right chip.
I was tempted to get a spot cooler and stick it on the back of the card. I still have some heatsinks left which I'm tempted to put on the back too!

My ASIC is 59.5% What's yours?

78.9%.

I knew your Asic would be really low. That would explain your slightly lower temps. That is a really low asic card. Will be interesting to see how far you can overclock that one. Should be able to pump up the volts a lot and not suffer too much from extreme temps.

Yeah using the L shaped sinks on the VRM's really helped. I should have used a long thin one on the top vrm, instead i used the skinny thin one. Another bad call on my part but i don't think it makes a huge difference. Likely just a couple of C. Putting a long thin one on the left vrm might be a good shout and something ill do on my next refit.

I think at least two of your heatsinks (L shaped left side and one tall one below it) are doing nothing. But still better safe than sorry i suppose.

LtMatt · 17 Feb 2013 at 20:12

Looks good frenzy. You have a good but not great clocker.

I'm considering buying this (http://www.overclockers.co.uk/showproduct.php?prodid=HS-059-AR&groupid=701&catid=2330&subcat=787) so i can get my hands on some more G1. Desperate isn't it?

I could then sell the cooler on the meat market or i could actually try to fit it to the bee-atches HD7770 OC card. It would be pointless really though as its Gigabyte card so the cooler on it already does a solid job, but still that would mean i have some more G1 to play with. I could also get these heatsinks (http://www.overclockers.co.uk/showproduct.php?prodid=HS-038-AL&groupid=701&catid=2330&subcat=787) and give myself good reason for another refit.

LtMatt · 24 Feb 2013 at 11:30

I found this from a french website.

I don't know about other Accelero users, but my insulation strip is not there. Its resting up vertically against the black chips to the left. Have i done it wrong or have they done it wrong?

LtMatt · 24 Feb 2013 at 14:50

Uncle Petey said:
I think they have.
VRM's-Insulation-Glue-Heatsink sounds wrong. Kinda like leaving the plastic bit on the cpu cooler contact plate imo.

That's what i thought Pete.

Well you'll be pleased to know Pete i went and bought another Aceelero. It was one of the cheaper ones. Got it off an auction site for around £13. So i should have my hands on some more G1 gold dust hopefully. If it comes with that permanent stuff then i will try and send it back as it clearly states G1 included in the link.

Then i found something called this "Phobya Thermal pad Ultra 5W/mk 30x30x1mm (1 piece)". Google will show you. That has a slightly better W/MK (whatever that means

) than Arctic's G1. So i might get some of that, stick it on the vrm's with the permanent adhesive arctic sent me then stick the accelero heatsinks on the thermal pad and use more of the adhesive to stick the sinks to that.

I've tried to find something called a "fujipoly extreme thermal pad" which is supposed to be the daddy of all thermal pads with 17.0 W/MK but i can't find them in the UK.

Opinions?

LtMatt · 24 Feb 2013 at 15:30

Uncle Petey said:
I dunno mate. If you're gonna stick a thermal pad on with permanent adhesive, you may as well stick a heatsink on with permanent adhesive.
Or do you reckon the pad would be easier to remove? You'd still have to get the glue off the VRM's either way.

Tell you what, I've still got my card lying around as well as some thin Akasa tape. If that manages to hold the slim Alpenfohn sinks to the VRM's, it'd easily manage the very lightweight Arctic ones.
I'll get back to you in a bit

Thanks Petey. I'm not sure if its worth it or not, but i figured that i would just put a very small dab of the perm adhesive and then use the thermal pad on that. I imagine that wouldn't be too hard to get off. Then i could add a heatsink on top of that. It probably sounds like madness but to me it sounds like another way to bring down those vital temps.

Maybe i should just stick to the G1.