8800s OVP Mod ......

cold and volts, manage your OCP

Could someone pt vmods for 8800gtx? Thanks

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Originally Posted by T_M

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Yep search works, just finished VGPU, cap/choke mod, OVP and OCP :up:

Cards begging for ln2.

Now i just need to find a way to undervolt these crap quimondas.

http://chew.ln2cooling.com/The_Labor...8800gt%203.jpg

I should try on my GS... hitting limits around 1060 core right now. Inductor mod allows 1.43v before OCP... but I need a tad more. :D

http://hwbot.org/community/submissio...b_293352_marks
http://i265.photobucket.com/albums/i...s/293k_am3.jpg

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Originally Posted by hipro5

Did you expected it?.......Get it......THAT simple and as promised......:D

This picture includes the VGPU and the OVP of the 8800GTX and 8800 Ultra VGAs......8800GTS is SIMILAR but in anoter position of the PCB......;)

CREDITS for the VGPU Mod goes to Shamino and vr-zone.....;)

http://www.hipro-tech.com/images/hip...U_OVP_Mods.jpg


Here is the OVP Mod in a closer look.....:)


http://www.hipro-tech.com/images/hip..._OVP_Mod_1.jpg


......and here's an alternative method for more "hardcore" people.....:D :p:


http://www.hipro-tech.com/images/hip...OVP_Mod_2a.jpg

http://www.hipro-tech.com/images/hip...OVP_Mod_2b.jpg


By doing so, you will NOT ENCODE this f(l)uken VGA's shut down and core powering down problem any more..... ;)
You'll ONLY have to deal of how much VGPU you will feed it until it produses Core artifacts during a bench....
IF you get a "freezing" during a bench, then your VGA's core CAN'T go higher than that...... :D :p:

Happy NVIDIA VGA Overclocking and DON'T pass my scores..... :D :p:


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anyone one have those images ??

some good people :)

Tin_EOF has a thread with pics :)

I'm... feeling too lazy to go a-hunting though, sorry :)


IMHO only OCP mod is really necessary. Caps got me more voltage to the core, but no extra MHz or stability

yes, the problem is that i have not understand the OCP mod...

i have those:


here i have to replace the 70B with a 472.
i have to parallel solder 122 on the capacitors near the 78X.
I have to remove the 78X ??? ( red ones )
http://www.pctunerup.com/up/results/...054_141832.jpg


here the 78X are removed it's right ?
what is the white wire circled (red) ???
http://www.pctunerup.com/up/results/...054_145278.jpg

For the OCP mods, measure the basic resistance across each capacitor (the components next to the red ones in the first pic you posted) and solder a resistor of equal or slightly larger value in parallel. This will increase your OCP limit significantly :)


The 2nd pic with the red circle..... Thats the mod point for the vCore but I have NO idea why the wire is going to a diode. It should go to a 1K trimmer (other end connected to ground)... nice and simple :)

the reds resistors on the first pics should be removed???

Nope :) Or at least.... I didn't remove them (dont think Tin did either) and I was happy with the MHz I got

i asked that because (in the second picture) they are removed.


that's ok ?

http://www.pctunerup.com/up/results/...936_141832.jpg

I have no idea what effect that would have, sorry.

As it happens, I might be benching a 320MB today. I have the OCP mods done, i'll let you know how it goes, if I get it done :)

good good :) i want bench it too :D

so, it's ok the pic i have posted above ? the parallel is right ?

Yea bro :) perfect

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Originally Posted by K404

Thats the mod point for the vCore but I have NO idea why the wire is going to a diode. It should go to a 1K trimmer (other end connected to ground)... nice and simple :)

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Look closer, it's a 1000 Ohm resistor. Probably someone were happy with that slight boost to vCore :shrug: (Assuming GND on the other side of resistor)

Great catch! Yea... my bad. I should have noticed the SMC wasn't "going anywhere"

i have an 1R0 smoking :/
i have removed it, i can replace it with an inductor of a dead board ?

I would try to find another 1R0 (1.0 uHenry) inductor. Maybe 1R2 or R80 can work, I don't know how precise the value must be.

very good