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8800gts 640 g80 overclock help

post #1 of 4
Thread Starter 
hello i have a volt modded 8800gts 640 g80 and i have 670-1551-1030 on stock volts but even with extra volts i dont gain much could this bee a cooling issue its watercooled with a phenom x4 on a 120mm rad with push pull and what is a safe 24-7 voltage for the card 1.34-1.4? thanks:D
 
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athlon ii 640 unlocked to phenom ii x6 msi 970a g43  gtx 480 1GHZ g.skill 
Hard DriveHard DriveHard DriveHard Drive
wd  wd  segate  segate  
CoolingCoolingCoolingCooling
360 rad 750lph pump  custom built cpu block  3 50cfm led fans 
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as ceramic gtx 480 ek fullcover 240x60mm rad 2 50 cfm fans at 7volt 
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550lph @17volt windows 7 ultimate antec 750w hcg table top 
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fx 4100 msi 970a g43 PNY GTX 295 6gb hyper x 
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500gb WD blue 1tb hgst 2.5" 320 WD Black lg 
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post #2 of 4
i ran my 9800GT on 1.25volts 24/7 on air

i dont see why you cant try more volts
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post #3 of 4
Thread Starter 
well the ovp is 1.41v so i guess it would be safe upto that and im thinking about getting my watercliller out and bypass and run 1.5volt haha rolleyes.gif

also could it be a temp problem limiting my oc's it hits 63c under 100 load for about an hour t
Edited by lzf995 - 3/11/14 at 5:48pm
 
Intel Xeon Club!
(1 photos)
 
CPUMotherboardGraphicsRAM
athlon ii 640 unlocked to phenom ii x6 msi 970a g43  gtx 480 1GHZ g.skill 
Hard DriveHard DriveHard DriveHard Drive
wd  wd  segate  segate  
CoolingCoolingCoolingCooling
360 rad 750lph pump  custom built cpu block  3 50cfm led fans 
CoolingCoolingCoolingCooling
as ceramic gtx 480 ek fullcover 240x60mm rad 2 50 cfm fans at 7volt 
CoolingOSPowerCase
550lph @17volt windows 7 ultimate antec 750w hcg table top 
CPUMotherboardGraphicsRAM
fx 4100 msi 970a g43 PNY GTX 295 6gb hyper x 
Hard DriveHard DriveHard DriveOptical Drive
500gb WD blue 1tb hgst 2.5" 320 WD Black lg 
CoolingOSMonitorPower
my hand made peltier waterchiller windows 10 pro 64 bit 26" 1080p antec 750 high current gamer 
Case
no case yet 
  hide details  
Reply
 
Intel Xeon Club!
(1 photos)
 
CPUMotherboardGraphicsRAM
athlon ii 640 unlocked to phenom ii x6 msi 970a g43  gtx 480 1GHZ g.skill 
Hard DriveHard DriveHard DriveHard Drive
wd  wd  segate  segate  
CoolingCoolingCoolingCooling
360 rad 750lph pump  custom built cpu block  3 50cfm led fans 
CoolingCoolingCoolingCooling
as ceramic gtx 480 ek fullcover 240x60mm rad 2 50 cfm fans at 7volt 
CoolingOSPowerCase
550lph @17volt windows 7 ultimate antec 750w hcg table top 
CPUMotherboardGraphicsRAM
fx 4100 msi 970a g43 PNY GTX 295 6gb hyper x 
Hard DriveHard DriveHard DriveOptical Drive
500gb WD blue 1tb hgst 2.5" 320 WD Black lg 
CoolingOSMonitorPower
my hand made peltier waterchiller windows 10 pro 64 bit 26" 1080p antec 750 high current gamer 
Case
no case yet 
  hide details  
Reply
post #4 of 4
Thread Starter 
with my waterchiller on it it will do 720 with 1.33volt under load droop from 1.41 with about 50*c under load and idle at around 30ish water set to above room temp smile.gif now for some modding and new waterblock and ram volt mod and to air cool them and the vrm's biggrin.gif
 
Intel Xeon Club!
(1 photos)
 
CPUMotherboardGraphicsRAM
athlon ii 640 unlocked to phenom ii x6 msi 970a g43  gtx 480 1GHZ g.skill 
Hard DriveHard DriveHard DriveHard Drive
wd  wd  segate  segate  
CoolingCoolingCoolingCooling
360 rad 750lph pump  custom built cpu block  3 50cfm led fans 
CoolingCoolingCoolingCooling
as ceramic gtx 480 ek fullcover 240x60mm rad 2 50 cfm fans at 7volt 
CoolingOSPowerCase
550lph @17volt windows 7 ultimate antec 750w hcg table top 
CPUMotherboardGraphicsRAM
fx 4100 msi 970a g43 PNY GTX 295 6gb hyper x 
Hard DriveHard DriveHard DriveOptical Drive
500gb WD blue 1tb hgst 2.5" 320 WD Black lg 
CoolingOSMonitorPower
my hand made peltier waterchiller windows 10 pro 64 bit 26" 1080p antec 750 high current gamer 
Case
no case yet 
  hide details  
Reply
 
Intel Xeon Club!
(1 photos)
 
CPUMotherboardGraphicsRAM
athlon ii 640 unlocked to phenom ii x6 msi 970a g43  gtx 480 1GHZ g.skill 
Hard DriveHard DriveHard DriveHard Drive
wd  wd  segate  segate  
CoolingCoolingCoolingCooling
360 rad 750lph pump  custom built cpu block  3 50cfm led fans 
CoolingCoolingCoolingCooling
as ceramic gtx 480 ek fullcover 240x60mm rad 2 50 cfm fans at 7volt 
CoolingOSPowerCase
550lph @17volt windows 7 ultimate antec 750w hcg table top 
CPUMotherboardGraphicsRAM
fx 4100 msi 970a g43 PNY GTX 295 6gb hyper x 
Hard DriveHard DriveHard DriveOptical Drive
500gb WD blue 1tb hgst 2.5" 320 WD Black lg 
CoolingOSMonitorPower
my hand made peltier waterchiller windows 10 pro 64 bit 26" 1080p antec 750 high current gamer 
Case
no case yet 
  hide details  
Reply
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