oc

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Posted: 22 Oct 2007 at 7:30pm

Originally posted by bman

Hi was wondering what the max u can overclock on a qx6850

bman,

What the hell, I'll guess 4.2 GHz plus or minus 0.2 on air. To get the ultimate answer you need to specify air, water, or liquid nitrogen cooling. On ln2, I'll bet you can go way over 5 GHz.

Oh the other point you need to specify is how long to you want to use the chip before it frys; weeks, months or years....

UPDATE: I'm not suggesting that DSO will OC it this fast. I'm guessing 4.2 is the fastest "U" can overclock it and still have it work most/some of the time.

Edited by Bill the Cat - 28 Oct 2007 at 9:12pm

bman

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Posted: 23 Oct 2007 at 12:43am

umm, im not really sure what cooling, but, the best cooling that DSO has to offer. and for the computer to last for about 3-4 years :D

Tyler Lowe View Drop Down

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Posted: 23 Oct 2007 at 12:57am

They'll give you an idea of what to expect, but not a specific figure as every chip and configuration is different. If you want the absolute best OC you can get, you'll want to grab the 680i A1, the fastest RAM you can afford, and either have DSO max out the fans in an Extreme or Ultra case, or go liquid cooling. Liquid cooling entails more maintenance than air cooling will, but if that doesn't bother you, you may get +0.0xGHz more out of the deal.

My guess on typical results would be more conservative than 4.2, I was thinking more along the lines of ~3.6GHz to ~3.8GHz, but the best way to get this type of info is to call DSO and discuss a configuration, and what you can reasonably expect as a minimum OC figure.

bman

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Posted: 23 Oct 2007 at 1:10am

thanks for all the info, do u know if the 8800 ultra can be oc'd too?? sorry im a bit new at this.

sundowner

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Posted: 23 Oct 2007 at 1:23am

Ultra is a GTX OC'd.

Pro case with extra fan
Quad Q6600 2.4 OC'd 3.1!
Nvidia 8800GT
Asus Maximus Formula Mobo
2xgb 800mhz corsair

xfire - xuntiltheendx

Bigdog

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Posted: 23 Oct 2007 at 4:34am

is it possible to OC a GTX yourself?

Processor: QX6850 (3.3Ghz)
RAM: 4GB 1066 Dominators
Graphics: 2x 8800GTX 768MB
Sound Card: Fatal1ty
HDD 1: 2x 150GB raptor (RAID 0)
HDD 2: 1x 150GB raptor
HDD 3: 320GB western
Liquid cooling (red)

sundowner

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Posted: 23 Oct 2007 at 4:50am

http://www.slizone.com

Edited by sundowner - 23 Oct 2007 at 4:50am

Pro case with extra fan
Quad Q6600 2.4 OC'd 3.1!
Nvidia 8800GT
Asus Maximus Formula Mobo
2xgb 800mhz corsair

xfire - xuntiltheendx

mgrmgr

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Posted: 28 Oct 2007 at 1:36pm

You say, "Liquid cooling entails more maintenance than air cooling."

Exactly what maintenance is required of a liquid cooling system?

skyR

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Posted: 28 Oct 2007 at 1:57pm

You have to drain and refill the reservoir every quarter.

Check tubes daily for leaks, clogs, etc daily or weekly.

The only thing that keeps me wishing on a wishing star.

ed1371

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Posted: 28 Oct 2007 at 2:14pm

Skyr, where did you get that info from?

Silverstone TJ-10
INTEL 4790K
16 gigs ddr3
ssd and such
liquid cooled cpu
2080 RTX Super

Kenny

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Posted: 28 Oct 2007 at 2:59pm

Originally posted by skyR

You have to drain and refill the reservoir every quarter.

Check tubes daily for leaks, clogs, etc daily or weekly.

skyR, that's not right... Why do you have to drain and refill the reservoir every quarter ?. You know that you do not to drain and refill the Liquid , just add more Liquid after 1 or 2 years if needed.

Our Water Cooling systems have been never leaks, clogs over 3 years...

Thank you for your understanding.

We're here with you ! &(*_~)&

mgrmgr

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Posted: 28 Oct 2007 at 3:03pm

That makes it sound like driving a hotrod on fragile and bald tires in the rain. Are there really no fault-free sealed systems for liquid cooling?

I know myself well enough to know I'd never do regular leak checking and would almost surely forget the quarterly drain'n'refills for somewhere up to two years. <wry-smile>

You seem to be saying I should NOT consider liquid.

ed1371

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Posted: 28 Oct 2007 at 3:18pm

like kenny said, you do not have to drain/refill. (which is why I asked skyr where he got that info from)

There isnt a lot of Maintenance with a liquid setup. Simply looking at your fluid level is all you need to do every once in a great while. Been running my current system (danger den parts, same stuff DS uses) for just under 2 years and had to add like 3 fluid ounces...thats it.

A lot of folks are wary of water cooling and I can understand that... liquid and electronics combined can bring images of bad things happening. Most folks dont realize that the fluid used in most setups is non-conductive and even if you did have a leak, it wouldnt fry everything.

If you want to OC and keep things really cool... liquid is the way to go.

Silverstone TJ-10
INTEL 4790K
16 gigs ddr3
ssd and such
liquid cooled cpu
2080 RTX Super

Tyler Lowe View Drop Down

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Posted: 28 Oct 2007 at 3:39pm

I had read it was good practice to clean the water cooling system reservoir once a year. Other than that, I assume there is a fan that requires cleaning just as in an air-cooled system? or is it a large passive heat exchange on the liquid cooled systems?

When it comes to leaks, I've put a well fitted hose over hose barbs for compressed air applications and needed to douse both parts with alcohol to get the hose to slide over the fitting. A well fitted hose isn't going *anywhere*(naturally for high preassure applications you add a hose clamp).

I admit to being unfamiliar with liquid cooling for PC's, and suspicious of the entire process. This might be another good performance topic to go alongside the OC guide, if nothing else than to dispell myths and calm baseless fears.

Edited by Tyler Lowe - 28 Oct 2007 at 3:41pm

ed1371

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Posted: 28 Oct 2007 at 4:25pm

Most systems have a radiator and fan/s that need to get dusted just like any other fan. There is a passive cooling setup I have seen but its a tall tower looking thing that sits outside your puter...

Flushing a system each year largely depends on what coolant you use. Some ppl run distilled water and thats it... algae can develop in that type of environment.

Most use something like MCT-5 and doesnt need to be changed for a few years.

Silverstone TJ-10
INTEL 4790K
16 gigs ddr3
ssd and such
liquid cooled cpu
2080 RTX Super

Monstromo

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Posted: 28 Oct 2007 at 5:20pm

Seems like DS is coming up with some different policies about overclocking so I would call them directly and see what is up and coming. Alex made a post about some where....

Monstromo