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Limit Factors of 8800GTS Overclock - Page 2

post #11 of 16
Thread Starter 
Quote:
Originally Posted by c00lkatz View Post
Tried adjusting shader and core clock separately? If you can't get it any higher by adjusting separate settings, then a volt mod is your only option. Not all cards are created equally. One guy may get 750 MHz core and another 680 MHz core. It all depends on the card and it's environment, and what batch it was created in. Some are better than others.

But I'd just be happy with where you're at with a G80. If you have no confidence in yourself doing a vmod, then just don't do it. You'll more than likely screw it up. You know yourself better than anyone here.

This is one reason why I buy a card at a store and then mod it right away. Buy it, read up on it, and then get it to its max as quick as possible. Then if you **** it up just take it back to the store and get another one. On this 8600GT I've done it 3 times already until I got a setup I like. Now it's 100% stable, and guess what? No more ****ing around with it because it's already maxed out, and I can concentrate on other things.
actually its not that i cant get myself to do the voltmod just the problem is i already fragged an exactly similar card late last year and right about now have the jitters to try again. anyhow, lets see if anyone else has something to add to this.

Edit:
as for the shader clocks, i havent done that yet. i was planning on getting the core and memory to the highest stable clocks before touching the shaders.
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2012 Rig
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Q6600 2.40Ghz @ 3.6GHz VID 1.2375 Lapped Asus Maximus Formula SE MSI Geforce 8800GTS Crucial Ballistix Tracer 2x1GB PC8500 
Hard DriveOptical DriveOSMonitor
OS - Raptor 74GB, 2xSeagate 80GB SATA DVD Drive, CDRW XP Professional SP 2 24" Dell WFP LCD Screen 
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post #12 of 16
So I assume you're using RivaTuner and have unchecked the "link clocks" option before adjusting?

When overclocking, generally core comes first, then shaders, then memory. The memory will have little effect on performance compared to overclocking the core and shaders. I would try playing with your shader clock and see if that helps any, or at the least gets you a better score. I've noticed instability when adjusting my core clock too far from my shader clock. From my experience, they tend to like to be close to each other. I would try messing around with that first before the volt mod. Of course, the volt mod will always allow you to go further. A pencil mod works just as well as wiring in a resistor, and it's easily reversible. If you like the voltages you reach, then just put a little tape over the area you penciled in and bam, you're done. Just take it up in small increments and don't go too terribly high in voltage. It can also be a lot safer and obviously less permanent than wiring in a VR, especially if you're just toying around with the idea. I say if you're going to volt mod, pencil mod first to see if it is to your liking, and if it is solder in a VR. If not, no sweat, hopefully you have an eraser handy.
     
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post #13 of 16
Thread Starter 
yes its unchecked. oh damn. i forgot the pencil mod part. perhaps i should try it out today. thanks mate.
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2012 Rig
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Q6600 2.40Ghz @ 3.6GHz VID 1.2375 Lapped Asus Maximus Formula SE MSI Geforce 8800GTS Crucial Ballistix Tracer 2x1GB PC8500 
Hard DriveOptical DriveOSMonitor
OS - Raptor 74GB, 2xSeagate 80GB SATA DVD Drive, CDRW XP Professional SP 2 24" Dell WFP LCD Screen 
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post #14 of 16
No problemo
     
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Hard DriveHard DriveHard DriveHard Drive
Samsung 960 EVO M.2 NVME Samsung 850 EVO 500GB SSD Seagate NAS 2TB Samsung Spinpoint F4EG 2TB 
Hard DriveCoolingOSMonitor
WD easystore 4TB USB 3.0 External HDD Antec KÜHLER H2O 920 Windows 10 Pro 64-bit Sony KDL40R350B 40" 1080p HDTV 
MonitorKeyboardPowerCase
Acer E230Hbd 23" 1080p Corsair K70 (Black w/ Cherry MX Red) Corsair AX750 NZXT H440 White Edition 
MouseMouse PadAudioAudio
Corsair M65 White Edition Steelseries QcK Mini M-Audio AV40 MKII Studio Monitors (Custom White) Polk PSW10 10" Subwoofer 
Audio
Sony MDR7506 Studio Monitor Headphones 
CPURAMHard DriveHard Drive
Intel Core i7 2720qm 8GB Samsung DDR3-1333 PNY XLR8 120GB SSD HGST Travelstar 1TB 7200RPM 
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Windows 8.1 Pro 64-bit AU Optronics B156HW01 V.4 15.6" 1080p (Upgraded... Logitech Anywhere MX Intel Centrino Advanced-N 6230 Dual Band WiFi ... 
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CPUMotherboardGraphicsRAM
Intel Core i5 4690K @ 4.50GHz MSI Z97S SLI Krait Edition EVGA GTX970 SSC ACX2.0 w/ Backplate 16GB G.Skill Sniper DDR3-2400 11-13-13-31-2T 
Hard DriveHard DriveHard DriveHard Drive
Samsung 960 EVO M.2 NVME Samsung 850 EVO 500GB SSD Seagate NAS 2TB Samsung Spinpoint F4EG 2TB 
Hard DriveCoolingOSMonitor
WD easystore 4TB USB 3.0 External HDD Antec KÜHLER H2O 920 Windows 10 Pro 64-bit Sony KDL40R350B 40" 1080p HDTV 
MonitorKeyboardPowerCase
Acer E230Hbd 23" 1080p Corsair K70 (Black w/ Cherry MX Red) Corsair AX750 NZXT H440 White Edition 
MouseMouse PadAudioAudio
Corsair M65 White Edition Steelseries QcK Mini M-Audio AV40 MKII Studio Monitors (Custom White) Polk PSW10 10" Subwoofer 
Audio
Sony MDR7506 Studio Monitor Headphones 
CPURAMHard DriveHard Drive
Intel Core i7 2720qm 8GB Samsung DDR3-1333 PNY XLR8 120GB SSD HGST Travelstar 1TB 7200RPM 
OSMonitorMouseOther
Windows 8.1 Pro 64-bit AU Optronics B156HW01 V.4 15.6" 1080p (Upgraded... Logitech Anywhere MX Intel Centrino Advanced-N 6230 Dual Band WiFi ... 
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post #15 of 16
Thread Starter 
based on the above, i still havent received any reply yet for the effects of the BIOS volt mod however, the shader changes did produce good results. check out the screenies.
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Q6600 2.40Ghz @ 3.6GHz VID 1.2375 Lapped Asus Maximus Formula SE MSI Geforce 8800GTS Crucial Ballistix Tracer 2x1GB PC8500 
Hard DriveOptical DriveOSMonitor
OS - Raptor 74GB, 2xSeagate 80GB SATA DVD Drive, CDRW XP Professional SP 2 24" Dell WFP LCD Screen 
KeyboardPowerCaseMouse
Logitech PS2 750watt Silverstone OP750 Cooler Master 830 Logitech Optical 
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2012 Rig
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CPUMotherboardGraphicsRAM
Q6600 2.40Ghz @ 3.6GHz VID 1.2375 Lapped Asus Maximus Formula SE MSI Geforce 8800GTS Crucial Ballistix Tracer 2x1GB PC8500 
Hard DriveOptical DriveOSMonitor
OS - Raptor 74GB, 2xSeagate 80GB SATA DVD Drive, CDRW XP Professional SP 2 24" Dell WFP LCD Screen 
KeyboardPowerCaseMouse
Logitech PS2 750watt Silverstone OP750 Cooler Master 830 Logitech Optical 
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post #16 of 16
Like many have said, volt modding is very risky. Ask yourself, is it worth it to volt mod my system and potentially destroy it? I am also overclocking my video card and i am at 555/1800. I overclocked the core clock by 5 and that is it. I am currently using rivatuner to do this. I don't know if this will let you overclock your video card more but try overclocking the core clock first and then the memory clock. If you already did that, then you did the right thing. If you get artifacts or something like that and you overclocked your memory speed and core clock at the same time, you won't know which speed caused the artifacts. Basic thing right there i learned.
    
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