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evga 7900gs overclocking

post #1 of 9
Thread Starter 
no unlocking? I havent been able to find much on the 7900gs but I have figured this out. Ive got my card (evga 790gs) running at 1.3v and 601mhz core 1608mhz memory. Its got head room for sure Im just afraid of going too far cuz i dont have the money to replace it if it breaks. Ive got a Zalman dual heat pipe cooler on it so im sure Ill be ok but im kinda waiting around for someone else to lead the way.

For tuning the card im using "Riva Tuner" the best overclocking software I've EVER used! free download just search for it.

for upping the voltage, its easier then it sounds... you will need 2 downloads and a floppy disk.
first get "NV Flash" and make sure you get the newest version i think its v5.36
next download "NiBiTor" I used v3.1

first run NiBiTor, click on Tools" then "Read Bios" & "Select Device" click ok. Once more go back to "Tools", "Read Bios" but this time click on "Read In To NiBiTor". From there you can change the voltage by going to "Tools", "Voltage Table Editor". Set whatever V you want but remember you have 2D voltage and 3D voltage so after setting the table click on the "Voltages" tab and you will the the voltage you picked at the table.
Once done save the file.rom you can name it whatever you want. I suggest a backup before you screw with stuff though.

Make a windows startup disk, add the rom file along with the 2 NV Flash files. restar the cpu with the disk in. when at the a: prompt, (not 100% but i think its) type in "nvflash name.rom"

Id look it up but its 3am and i got to get some sleep, happy overclocking!
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post #2 of 9
There is no unlocking on the GS, sadly. However, they do overclock great. I have seen somebody here with a 700MHz core with no voltmodding and supposedly on air. Mine is still with the stock cooler so I'm not trying to go far at the moment (until I get my WC done latter this week). 600/750 so far for me.
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post #3 of 9
Thread Starter 
im still a noob, I haven't been overclocking forfor too long now. what is unlocking?
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post #4 of 9
i have had mine up to 610/833 with stock cooler.
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post #5 of 9
Quote:
Originally Posted by hks85 View Post
im still a noob, I haven't been overclocking forfor too long now. what is unlocking?

Unlocking refers to the , well, unlocking of locked pipes. Neither ATI nor nvidia do it anymore (with their big cards anyways), but before the X1K and the 7X series they would sometimes just disable some of the pixel pipes on their high end cards and sell them as a lower model; the 6800 was basically a 6800U with four pipes disabeled, similarly the x800gto2 was a x850XTPE with four pipes locked; this allowed you to get a high end card at a much lower price. One could simply do a BIOS flash to activate these additional pipes. Nowdays, they either make a whole new core (ATI) or laser cut them (nvidia).
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post #6 of 9
700/1700
post #7 of 9
Thread Starter 
what driver are you running with the 700/1700? what are you using to get it up to 700Mhz?
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dBag
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CPUMotherboardRAMHard Drive
xeon e3-1230v2 supermicro mbd x9scm-0 KVR1333D3E9S/4G OCZ vertex3 60GB 
CoolingOSPowerCase
1u 80mm blower + passive cpu  proxmox 3.1 supermicro 300w 1u supermicro 1u 
Other
2x intel pro1000 nics  
CPUMotherboardGraphicsRAM
A8-3870K @ 3.7GHz GIGABYTE A75M-UD2H Power Cooler 7870 Team Group Inc 
Hard DriveCoolingOSPower
3x OCZ Agility 3 60GB (RAID-0 on Rocket RAID 27... Corsair H-80 core win-7 Seagate 750 Gold 
CaseAudio
some lian-li case... M-Audio AV40s + 10" Sony ___? 
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post #8 of 9
Quote:
Originally Posted by THEoBZ View Post
700/1700

You sure it's all with stock settings? No voltmods? Most of the GSs I have seen crap out at around 650 on the core. I just wish my card can go as far ...
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Magicbox
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crapbox
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Samsung 850 EVO  Kingston HyperX 3K Seagate Barracuda 7200.14 Noctua NH-D15 
OSOSMonitorKeyboard
Kubuntu  Windows 10 Pro Dell U2515H CM Quickfire TK (Cherry Blue) 
PowerCaseMouseMouse Pad
EVGA 750 G2 Enthoo Pro Logitech G502 Logitech G440 
CPUMotherboardGraphicsRAM
Sempron 3300+ HP stock mobo (laptop) 200M (IGP) 2x1GB PC3200 
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100GB ATA133 DVD/CDRW Kubuntu 32 bit 14.1" (1280x768) 
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post #9 of 9
Thread Starter 
right now im at 620/1664 but im being helf back by a driver issue
dBag
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CPUMotherboardRAMHard Drive
xeon e3-1230v2 supermicro mbd x9scm-0 KVR1333D3E9S/4G OCZ vertex3 60GB 
CoolingOSPowerCase
1u 80mm blower + passive cpu  proxmox 3.1 supermicro 300w 1u supermicro 1u 
Other
2x intel pro1000 nics  
CPUMotherboardGraphicsRAM
A8-3870K @ 3.7GHz GIGABYTE A75M-UD2H Power Cooler 7870 Team Group Inc 
Hard DriveCoolingOSPower
3x OCZ Agility 3 60GB (RAID-0 on Rocket RAID 27... Corsair H-80 core win-7 Seagate 750 Gold 
CaseAudio
some lian-li case... M-Audio AV40s + 10" Sony ___? 
CPUMotherboardGraphicsRAM
D525 @ 1.8GHz Supermicro onboard 2x2GB DDR1333 
Hard DriveOSCaseOther
WD Green ubuntu 12 1u  3x40mm fans  
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dBag
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yep...
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air
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CPUMotherboardRAMHard Drive
xeon e3-1230v2 supermicro mbd x9scm-0 KVR1333D3E9S/4G OCZ vertex3 60GB 
CoolingOSPowerCase
1u 80mm blower + passive cpu  proxmox 3.1 supermicro 300w 1u supermicro 1u 
Other
2x intel pro1000 nics  
CPUMotherboardGraphicsRAM
A8-3870K @ 3.7GHz GIGABYTE A75M-UD2H Power Cooler 7870 Team Group Inc 
Hard DriveCoolingOSPower
3x OCZ Agility 3 60GB (RAID-0 on Rocket RAID 27... Corsair H-80 core win-7 Seagate 750 Gold 
CaseAudio
some lian-li case... M-Audio AV40s + 10" Sony ___? 
CPUMotherboardGraphicsRAM
D525 @ 1.8GHz Supermicro onboard 2x2GB DDR1333 
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WD Green ubuntu 12 1u  3x40mm fans  
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