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I just got a pair of Sennheiser HD 497 today after following the recommendations here. Oh my God :). They are great, especially after using them all day. Very comfy on my head and great for games and music. I listened to some DVD audio on them and it was awesome (Audigy 2 ZS sound card). I...

I hear you . I hope they make it up to you.

Except it doesn't like my 'puter :(((

Yeah, I think my RAM is the problem. Oh well, I think I'll leave it alone. Thanks for the input.

That's what I thought. However, when I see these poly problems on the turtle and clock back the core (and only the core) they go away. I am wondering if the heat spill over from the heat sink on my NV Silencer 5 to the RAM from the GPU is causing the flickering polys on the turtle. I'm...

Thanks but I understand that. I was simply wondering what the difference in artefacts are between clocking the two.

Yes, the turtle in test 4 of 3DMark does seem to be the tell-tale for artefacts. I'm curious though, how do you know the flickering on the turtle is GPU or RAM related? Are artefacts from RAM different to artefacts from the GPU? How do you tell the difference?

Well, it's supposed to work fine on nVidia cards for checking artefacts. It simply won't change the clock frequencies of nVidia cards. I've used it on the 6800 GT in another PC without issue.

Very warm day today. Ambient temp in the case after playing Halo for 2 hours is 31 degrees (stopped playing about 20 mins ago). So I decided to test my max Overclock. Coolbits won't let me go above 422/1100. I ran the HDR demo for about 10 mins at 420/1100 and the temps topped out at about 70...

CastleBravo: 1) The only pain was removing the white thermalgunk from the RAM chips because it seems it had solidified - the stuff on the GPU wasn't solid. So the GPU wasn't so bad but I did find that there was too much thermal goop on the GPU and some of it had gotten onto the diodes (?) on...

Another Silencer thread, but this time a little more scientific. BFG 6800 GT OC (the dual / "custom fan" version) and NV Silencer 5 from Arctic Cooling. System Specs: See Signature plus:- - Silverstone SST-B032FW Case - 4x 80 mm Vantec Stealth Fans (2 rear ex., 1 inp. over cards, 1 inp. over...

Many thanks John, keep up the good work.

I hope you get good case cooling - sounds like you don't have it.

Glad it was all resolved. Random question for John regarding BFG warranty: I bought a 6800 GT OC in the US from Best Buy. I live in Europe. If it goes belly up, do I have a warranty, if so what is it? Thanks - v satisfied with the card btw.

If your CPU will run faster on the same voltage then you shouldn't affect its life by a measureable amount. It's when you start pumping a lot more power through the silicon than its spec that life is curtailed. If you can run a 3 GHz P4 at 3.6 GHz on about the same voltage as it requires to run...

Supausah - 5:4 will still get you better memory bandwidth at 400 MHz ram than 1:1 at 400 MHz ram. That's just the way it is. Benching will prove that to you. I'd rather have my 2.4 P4 running at 3 GHz (12 x 250 MHz) with memory at 400 MHz (5:4) than a stock 3 GHz. Intels run quite well...

Krepta - congratulations. What difference does it make to your temps and OC results? My NV5 is set to arrive tomorrow (Friday). Edit: I waited until I was home in Europe and bought it in Germany btw, for about $25. Newegg's price gouging really makes me not want to buy stuff from them again.

That's cause people aren't letting themselves be price-gouged (well, that's what I'm hoping).

And so would I but I upgraded from 512 (2x 256) to 1024 (4x 256). Thanks for answering.

Why and how much of a difference does it make?

Easier said than done, but possible.

Hey, dash of AS 5 in the wrong place and kaboom - world war 3. hehe

Good point - AS 5 conducts electricity.

Well they provide you with adequate instructions. The main worries are: - Make sure you get the card manufacturer's thermal paste/tape/crap off the RAM and the GPU - Don't screw things in too tightly because you can crack/break/mess up the card and/or components - Ensure you have good thermal...

Lousy price gougers...

It'll be interesting to compare your results with the NV 5 Silencer.

Not that any of what I'm about to say has a chance of working, but how about a Zalman CNPS-7000B Al-Cu heat sink with a custom fan instead of the stock Zalman one? I bet that would take up less space and do the business. And it only weighs 450 g! I have a funny feeling that its screw points...

Yes, I read your mods thread - quite ambitious and I look forward to seeing the results :).

Interesting post. I think the most noteworthy aspect of it is how little difference overclocking the RAM makes in comparison to overclocking the core. You're getting a very similar max clock to me.

The max spin of that fan is only about 2100 rpm. The IC7 is known to read temps about 10 degrees C too high any way and Prescott CPUs run significantly hotter than Northwoods. I think your best bet is just to get a new HSF. Download the latest BIOS version for the IC7-Max3 - it's supposed to...

Well done. What were the stock speeds of the card? Edit: Sorry, didn't see it.

Well good luck and keep us posted. I must say that the dramatic decrease in temperatures you've experienced is rather impressive to me. I have the older silencer (rev 3) on my ATI 9800 Pro and I didn't find it increased the OC much but it did drop the temperatures a heck of a lot.

That's all very cool (sorry for the pun) but what difference did it make to your OC?

Perhaps the case only had 3 rubber feet instead of 4? (sorry, couldn't resist)

Why you little... I oughta...

Shane - well, I won't be able to play with my rig until about 10 days from now as I'm in the US at the moment (I live in Ireland). I'm wondering though, seeing as the Corsair I have will do 22x MHz at good timings, shouldn't I still use the 5:4 and run the overall bus at ~280 MHz? (i.e.~3.4 GHz...

Rabid - Newegg chose his testimony, therefore it's their responsibility.

MLF - I didn't realise Sandra could read the SPD settings. I know that neither of my mobos read the SPD correctly on the Corsair. I'll give that a try.

I don't have some specifics for you, but honestly I think your answer has satisfied me i.e. that on paper my theory _should_ be true. I understand that it varies from RAM to RAM though.

It's not you, dude, it's Newegg being a little silly.