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Overclock.net - Overclocking.net > Graphics Cards > NVIDIA | |
How To: Volt mod your 7900GS - For newbs!
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#101 (permalink) | ||||||||||||
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4.0ghz
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you can change the shaders by modding the bios with nbitor. Not sure about the rops tho maybe evga unlocks more then foxconn.
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#102 (permalink) | |||||||||||
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New to Overclock.net
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The shader thing is due to the different versions of GPU-Z updates giving different values. 0.0.5 gives me 24Mhz shader, but 0.0.9 gives me 54Mhz shader value. The newest version, 0.1.0 gives me a different texture fill value then 0.0.9 did. It's still beta software, so it isn't going to be accurate for everything yet.
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#103 (permalink) |
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New to Overclock.net
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Hello together,
I have got a problem and I hope somebody can help me. I think my 7900GS is a little slow, so I want to make a gpu vmod. Now I realized, that my XFX card has a completely different pcb from everything I have seen before. Could anybody help, if I posted some good pics of it? I am googeling for hours now, but the only discussion of this card I found slept away ( http://forums.vr-zone.com/showthread.php?t=116257 ) That should be my pcb, although mine got a different cooler when I bought it- now its got the Accelero S1... (original: http://img122.imageshack.us/img122/1...pcard01ar3.jpg ) hopefully Richard edit: the barcode says it is version 3.1 Last edited by Kaupa : 11-12-07 at 05:00 AM. |
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#104 (permalink) | |||||||||||||
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AMD Overclocker
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Any chance we could get a higher res image of the PCB?
Your best bet is to ask on VR-Zone. Most of us here can follow a vmod with ease, but I don't think there's a lot of us that create vmods for others to follow.
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-Kramy Athlon X2 ----- 3Dmark05 11569 ---- 3Dmark06 7138* ---- eVGA 7900GS ---- 738/1972mhz stable ---- [vmod] Athlon XP ----- 3Dmark05 6845 ------ 3Dmark06 3519 ----- BFG 7800GS ------ 460/1450mhz stable *1152x864 Quote:
Check it out! - Videocard Power Consumption Graphs
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#105 (permalink) | ||||||||||||
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4.0ghz
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Would need a photo of back of it probly to as thats where most vmods go on the cards and kramy is right probly better off asking in vr-zone.
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#107 (permalink) | |||||||||||||
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F@hrming OC's
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your card is almost identical to a 7900gt.. by the looks of the pics, I will say the pencil mod for the 7900gt vMEM should work just fine.
vGPU is going to come from the large VR's on the right hand side of pic 2 ...your default vGPU should be around 1.2-1.3v ...using one probe from a MM check the legs of the VR's for voltage and post back with some results.
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CL3P20's Folding stats 4th WR hwbot: 14k 3D 06'- 8800GS 15.1k 3D 06'- 8800gt/Q6600 @ 3.6ghz 18.8k 3d 06'- 4850_xfire & X3320 @ 3.3ghz
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#108 (permalink) |
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New to Overclock.net
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I used the volt mod posted here to get my Foxconn 7900GS OC up to 670/940. Now that I have been using it at those speeds for about 24 hours, burned-in, and thermal compound has cured, it may go a bit further. Good, easy to follow mod here and it works!
http://www.techpowerup.com/gpuz/aw93v/ http://img516.imageshack.us/img516/5...erclockgo6.jpg |
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#109 (permalink) | |
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New to Overclock.net
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Quote:
I had to do a lot of stuff for my studies, so I am answering late now. Here are my measurings! I used the multimeter by puting the + on each single leg of the VRs, while holding the - on ground, is that right? ![]() Last edited by Kaupa : 11-28-07 at 03:54 PM. |
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#110 (permalink) | |||||||||||||
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F@hrming OC's
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looks good so far!!
1.13-1.17v = GPUv 2.1v = MEMv ..the circuitry is a little different then.. does your card have a small IC, labeled 'U502'...should be about the size of a pencil eraser..? From what I can see, the Mem controller is still in the same spot [top left, ~8 leg IC] in the pic shown...but the resistors have been moved..to where?Have you posted on XS..or dug around in the mod archive there, yet? Im sure Shamino has cracked this PCB before.
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CL3P20's Folding stats 4th WR hwbot: 14k 3D 06'- 8800GS 15.1k 3D 06'- 8800gt/Q6600 @ 3.6ghz 18.8k 3d 06'- 4850_xfire & X3320 @ 3.3ghz
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LinkBack to this Thread: http://www.overclock.net/nvidia/162983-how-volt-mod-your-7900gs-newbs.html
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