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Hey Guys i've got the Nv tweaker to work with the 8800gtx GC... and on Vista X64...

The driver allows to enable physx ... However it doesnt really provide the kind of acceleration in physx.

I tried to run benchmarks in Vantage - still looks like they're using the Cpu & not the GPU..

This is how i got it to work....
1. Installed the 177.41 driver with the modded .inf (NV Tweaker doesnt work with this driver on 8800gtx).
2. Installed the 175.19 WHQL driver over the prev driver...without uninstalling/using driver sweeper.
3. Restarted the pc.
4. Ran NV Tweaker 1.0 in Admin mode.
5. Clicked on Enable geforce physx. (note: it will still say not supported down the bottom).
6. Closed Nv tweaker ... & ran it once again... This time it comes up as Enabled.
7. Checked again alot of times... works fine!!

Checked nvidia physx properties - Physx options still grayed out... however able to run physx demos(note- Display driver version still 175.19!!!).

PS:- after checking physx properties, NV tweaker once again says - not supported- repeat step 5 & 6 to make it enabled again!

I know this doesnt count as Physx working on a G80 core... however looks like some progress in atleast 1 application (NV tweaker) which suggests that physx is active on my 8800gtx!!! ....

Hope someone finds a way to actually get it active.. n beat NVIDIA to it... That'll be fun!!!

I've attached screenshots of my discovery..



Thanks All.


Edited by aayushnair - 7/7/08 at 12:52pm
    
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CPUMotherboardGraphicsRAM
Intel Core i7 920 D0 GIGABYTE EX58 UD5 ZOTAC GTX 295 Corsair XMS 3 DDR3 3x2GB @ 1600MHZ 
Hard DriveOptical DriveOSMonitor
(2x1 Hitachi 320 Gb + Seagate 160 Gb)7200.10 Sata2 Sony DVD RW @ 20x + Samsung DVD Mutli Windows 7 Ultimate x64 Viewsonic 2255wmb - 1680x1050 
KeyboardPowerCaseMouse
logitech G15 Corsair HX 1000W Cooler Master CM690 Logitech G9 
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