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17th October 2007, 17:56 | #11 |
[M] Reviewer Join Date: Nov 2004
Posts: 4,127
| Update, with new version of Rivatuner it is now possible to alter shaderclocks in windows, either linked to the core clock, or unlinked so that you never have to modify your BIOS again. Use Rivatuner 2.05 and Forceware 163.71. |
17th October 2007, 19:55 | #12 |
Madshrimp Join Date: May 2002 Location: 7090/Belgium
Posts: 79,021
| excellent
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14th January 2008, 18:51 | #13 |
[M] Reviewer Join Date: Nov 2004
Posts: 4,127
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14th January 2008, 19:44 | #14 |
[M] Reviewer Join Date: Nov 2004
Posts: 4,127
| More hardcore modding available, Over Voltage Protection mod: http://www.xtremesystems.org/forums/...d.php?t=162124 Past year I've been researching and exploring my skills in electronics, after long time, I had gathered the following info at our secure forums: Quote: |
14th January 2008, 19:45 | #15 |
[M] Reviewer Join Date: Nov 2004
Posts: 4,127
| More: Quote: |
14th January 2008, 19:59 | #16 |
[M] Reviewer Join Date: Nov 2004
Posts: 4,127
| Too bad I never found the time to test this modifications, anyway, I did dump my info on more experienced modding forums and everything seems to work like I thought. I have indicated the caps you need to be looking for, this picture is made from my G80 GTS. The GTX and Ultra might be a bit different: All you need to do is solder a resistor over each capacitors, you should be able to regulate OCP that way. As I said, I don't have any info on the resistor value's you should use, I never found the time to test this mod. That's why I do warn you, ONLY USE IT IF YOU ARE FAMILIAR WITH VOLTAGE MODDING, AND USE IT AT YOUR OWN RISK! Someone over at XtremeSystems recently tried my modification, that's why I decided it's about time to release my info, have a look at his thread: http://www.xtremesystems.org/forums/...d.php?t=171016 Too small value's of resistor may influence the proper functioning of the PWM IC, therefore I would use 3 50k variable resistor and tune them down until you find the sweet spot for your Over Current Protection mod. Last edited by geoffrey : 14th January 2008 at 20:02. |
8th March 2008, 16:34 | #17 |
[M] Reviewer Join Date: Nov 2004
Posts: 4,127
| Crysis is very demanding, in one of my gaming pc's the 7950GT is no longer able to feed my CRT with high framerates, so I though about dusting off the 8800GTS again. Off course, to give this card some extra breathing space, I wanted to go with voltmods again, an excellent opportunity to test out the only modification I haven't done until now. And man... ... this really is the modification that I've been looking for all the time! I can now run 720MHz core, 1800MHz shader and 1100MHz memory clocks at the same time, GPU voltmodded to 1,45V and memory up to only 2V. Took some fixed resistors and used the Galaxy Xtreme Tuner application to flash the videocard up to new hights, the AC Accelero Xtreme helps keeping the entire videocard at decent temperature: Stock: 500 / 1200 / 800 [M]ad Overclock: 700(+40%) / 1800(+50%) / 1020 (+27,5%) I used 3 old 1kOhm resistors and soldered them in parallel with the capacitors I've mentioned above. For the GPU I soldered a 260 Ohm resistor from the Primarion chip to ground, and for the memory I used a 8,2 kOhm resistor from the memory PWM IC to ground. |
8th March 2008, 23:09 | #18 |
Madshrimp Join Date: May 2002 Location: 7090/Belgium
Posts: 79,021
| how the performance boost in Crysis stock vs OC
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14th March 2008, 21:36 | #19 |
[M] Reviewer Join Date: Nov 2004
Posts: 4,127
| Crysis 1024*768 4AA 16AF 8800GTS 320MB stock: 48FPS 8800GTS 320MB oc: 58FPS +20%, minimum FPS is the same, E2160CPU @ 2,4GHz on Via chipset. |
14th March 2008, 21:58 | #20 |
Madshrimp Join Date: May 2002 Location: 7090/Belgium
Posts: 79,021
| clearly no CPU bottleneck, pretty good numbers would drop AA and go for high res
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