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X850XT o/c wall

post #1 of 10
Thread Starter 
my card hits a wall at 549/600... it bothers me alot. I hoped for at least 580 on the core, but it artifacts and locks up over 550mhz. The ram overclocked surprisingly well to 600, but at 610 it artifacts. What next?
Do just have a bad card, or do need to vmod?
 
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Optiplex 790
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post #2 of 10
water cool and vmod
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post #3 of 10
you dont neet to water cool, but you will need to up the volts for the core and memory if you want more clock speed.

Or maybe some new drivers? they have been known to help get better overclocks
    
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post #4 of 10
Thread Starter 
Im running cat 6.2s, thats all that supports win 2k
anyone know if the core can be vmodded with a pencil?
 
Optiplex 790
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post #5 of 10
did a quick google and couldnt find anything, thought you could raise the volts with the control centre ?
    
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post #6 of 10
Thread Starter 
no voltage can only be raised by hardware mods. The X1800 and X1900 series can be software coltage regulated

im checking out vr-zone right now
 
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Optiplex 790
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Some shit.
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E7200 3.6GHZ 9*400 1.25v Gigabyte P35-DS3R BFG 9800GTX OC 2*1GB Kingston HyperX D9GKX 1200MHZ C5, 2.0V 
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80GB WD SATAII NEC 3550A DL DVD+/-RW Win XP Home HP W2007 
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Windows 7 Professional 2 x Dell 2408WFP 
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post #7 of 10
Thread Starter 
there is a guide on techpowerup, ill look into it
any other ideas?
 
Optiplex 790
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Some shit.
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CPUMotherboardGraphicsRAM
E7200 3.6GHZ 9*400 1.25v Gigabyte P35-DS3R BFG 9800GTX OC 2*1GB Kingston HyperX D9GKX 1200MHZ C5, 2.0V 
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80GB WD SATAII NEC 3550A DL DVD+/-RW Win XP Home HP W2007 
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Microsoft Digital Media Pro XClio Goodpower 500W Cooler Master Centurion 5 Logitech G5 
CPUGraphicsRAMHard Drive
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Who needs one? OSX 10.8 11" 1366x768 
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Optiplex 790
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Some shit.
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CPUMotherboardGraphicsRAM
E7200 3.6GHZ 9*400 1.25v Gigabyte P35-DS3R BFG 9800GTX OC 2*1GB Kingston HyperX D9GKX 1200MHZ C5, 2.0V 
Hard DriveOptical DriveOSMonitor
80GB WD SATAII NEC 3550A DL DVD+/-RW Win XP Home HP W2007 
KeyboardPowerCaseMouse
Microsoft Digital Media Pro XClio Goodpower 500W Cooler Master Centurion 5 Logitech G5 
CPUGraphicsRAMHard Drive
i5 2400 Sapphire HD6670 LP 4GB DDR3 500GB 7200RPM 
OSMonitor
Windows 7 Professional 2 x Dell 2408WFP 
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i5 3317U HD4000 4GB DDR3 128GB SSD 
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Who needs one? OSX 10.8 11" 1366x768 
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post #8 of 10
Thread Starter 
nice, i now have a three post chain...
Does anyone else with an X850XT hit an o/c wall at 550 core? Mine is a sapphire model from newegg (non PE, no vivo, no dual dvi)
 
Optiplex 790
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Some shit.
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CPUMotherboardGraphicsRAM
E7200 3.6GHZ 9*400 1.25v Gigabyte P35-DS3R BFG 9800GTX OC 2*1GB Kingston HyperX D9GKX 1200MHZ C5, 2.0V 
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80GB WD SATAII NEC 3550A DL DVD+/-RW Win XP Home HP W2007 
KeyboardPowerCaseMouse
Microsoft Digital Media Pro XClio Goodpower 500W Cooler Master Centurion 5 Logitech G5 
CPUGraphicsRAMHard Drive
i5 2400 Sapphire HD6670 LP 4GB DDR3 500GB 7200RPM 
OSMonitor
Windows 7 Professional 2 x Dell 2408WFP 
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Who needs one? OSX 10.8 11" 1366x768 
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Optiplex 790
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Some shit.
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E7200 3.6GHZ 9*400 1.25v Gigabyte P35-DS3R BFG 9800GTX OC 2*1GB Kingston HyperX D9GKX 1200MHZ C5, 2.0V 
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80GB WD SATAII NEC 3550A DL DVD+/-RW Win XP Home HP W2007 
KeyboardPowerCaseMouse
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Windows 7 Professional 2 x Dell 2408WFP 
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post #9 of 10
Try upgrading the cooling, im assuming your using the stock cooler... You could start by removing the stock cooler and applying AS5 to it. The go get yourself a vf-900 or this beast and a 90mm fan! That i bet will help it get to 570-580 core if you dont already have aftermarket cooling for the card.

Then after you get colling under control, and are still not satified with the higher clocks, volt mod it.
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post #10 of 10
Quote:
Originally Posted by sandiegoskyline
there is a guide on techpowerup, ill look into it
any other ideas?
My guide is a bit easier to understand than the techpowerup guide.

You won't nee'd the memory mod as much as you will need the added vgpu
    
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