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Stable 8800GT OC!

It seems limited to Crysis (crashing) though, when I leave it at stock, and even OC for other games it's fine. Yes I've put the RAM sinks on. Crysis is patched 1.1, crashed. 1.2 still crashed.

When it crashes in Crysis it flickers for a second then a hang. Enermax Liberty 620W PSU.
 
badbob said:
It seems limited to Crysis (crashing) though, when I leave it at stock, and even OC for other games it's fine. Yes I've put the RAM sinks on. Crysis is patched 1.1, crashed. 1.2 still crashed.

When it crashes in Crysis it flickers for a second then a hang. Enermax Liberty 620W PSU.
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So your PSU blew? Did you play Crysis again after changed the PSU?
 
Eh? PSU is fine. I've also noticed it's keeping 3D clocks when dropping to Windows, even though I've changed "Performance 3D" tab in rivatuner. When I go to 2D and change to stock, it also changed performance 3D mode..weird.
 
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mines running at 710mhz. memory at 1980mhz, looking stable so far... dont wanna go any further because its idle at 46 and at load gets up to 62 max so far.
 
Dropped CPU overclock by 2mhz multiplier and seems to have sorted out crashing, played Crysis for a couple of hours...no hangs. My Palit 8800GT has no heatsink on the mosfets, unlike the images on google, they're towards the PCI black plate, and are bare. Is this normal?
 
Badbob - whats that utility you're using in the top left of that image?

Sorry if thats an Uber-n00b question, just ive not seen that one before. My first 8800GT b0rked itself before I even overclocked it.... little hesitant to try another one overclocking just yet!
 
steve258 said:
Actually mine needed bios volt mod just to get to 720/1800 and I'm not entirely certain it's 100% as so far I've only really tested it with Crysis. My mem won't even clock over 930 (1860Mhz) without artifacting/crashing/restarting in games.
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Have you physically checked the voltage with a meter?

The only reason I ask is because some guys on XS have proved that changing the vcore in the bios modder doesn't do anything. You have to do it with variable resistors soldered to the back of the card.
 
Best game i have found that really stresses the shader core would you beleave it but COD stresses it the most for me.

play that sniper level and look at the foliage when you duck down, if you see flickering or abnormalitys then its a bad shader clock.
 
wolvers69 said:
Have you physically checked the voltage with a meter?

The only reason I ask is because some guys on XS have proved that changing the vcore in the bios modder doesn't do anything. You have to do it with variable resistors soldered to the back of the card.
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That's the thing I don't have the equipment nor knowledge to measure the voltage it may well be 1.05V still.

Thing is before the bios flash I could only get to 680Mhz core stable.
 
steve258 said:
That's the thing I don't have the equipment nor knowledge to measure the voltage it may well be 1.05V still.

Thing is before the bios flash I could only get to 680Mhz core stable.
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What you getting stable now? After flash I got 20Mhz extra.
 
I'm 3dmark stable at 745 but crysis crashes at anything over 720 for me too, 1800 max for me on shaders.
 
steve258 said:
It crashes in crysis at 730 so am now at 720/1800 hasn't crashed so far.
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Well then as long as it works for you then that's the main thing.

Some peeps are getting over 800 on the core of a GT with a proper volt mod and around 900 on a GTS! I wish I was brave enough to do mine. Maybe I'll pluck up the courage once I've got it water cooled.
 
Wish there was a automated clocking util, like the ATI thing...just a lot of time. Just leave it for a couple of hours and it slowly ramps up core/shaders/memory, writing logs off in realtime.. so when it crashes you can find out previous stable settings.
 
badbob said:
Wish there was a automated clocking util, like the ATI thing...just a lot of time. Just leave it for a couple of hours and it slowly ramps up core/shaders/memory, writing logs off in realtime.. so when it crashes you can find out previous stable settings.
Click to expand...

It's called ATI tool and it works with nvidia cards too. I used it to find the max clocks on my G80 card.
 
Yes, it's searching for artifacts. You should have a timer that lets you know how long it's been running but will reset itself if it finds atrifacts.
 
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