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How do you unlock GPUs?

post #1 of 10
Thread Starter 
Alright, I'm thinking about taking another shot at unlocking my 6600LE from 4 pipelines to the full 8 on the NV43 core. I'm assuming that the 6600LE is the old NV43 6200s, and they jacked the price and crippled the 6200 to get better profit. I know my card can run stably at 380/498, and 6600s run at 300/500, so i should be pretty good. I'm kind of new at this, so I'll need a bit of help. Hopefully, the pipelines aren't disconnected via the circuit board, cause if they are I'm stuck. So the main question is: do I have to flash the card with the BIOS of a vanilla 6600 with 256MB 128-bit memory for it to unlock properly?
post #2 of 10
Use Rivatuner,

http://www.guru3d.com/rivatuner/

And here's a guide to unlock nv43 cores (6200) but mostly will work with your 6600LE also:

http://www.doomedpc.com/?q=node/36

Goodluck unlocking.
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Da Gallardo
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post #3 of 10
Thread Starter 
Are both of the pixel units on the card supposed to say enabled, cause the first time I tried to unlock, Pixel Unit 0 was enabled and Pixel Unit 1 was disabled.
post #4 of 10
Yea both should be enabled.

Try enabling both and reboot and see if Rivatuner then identifies 8 pixel pipelines, and if everything is artifact free then you're good to go.

Please let me know if your successful because I might think of purchasing a 6600LE also if it can unlock, Thanks .
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post #5 of 10
Thread Starter 
Well, back when I first tried, I clicked the checkmark next to the disabled pipelines, and when it rebooted, my custom settings tab said there were 8 pipelines, but my benchmarks didn't go up at all. I wonder if nVidia just has the pins disconnected. I'm not gonna hard mod the board, as that will really screw my warranty.
post #6 of 10
That's odd. Did you try verifying that the 8 pixel pipelines were unlocked with any other programs, like Everest?

If they really are unlocked then there should be a huge performance increase. I dunno what's up, lol.
Da Gallardo
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Da Gallardo
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post #7 of 10
Thread Starter 
I had looked, but Everest doesn't seem to like verifying my GPU information. It just sits there with the gray screen. Even at stock speeds.
post #8 of 10
If you unlock the pipelines you'll viod the warrenty anyways...
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post #9 of 10
Well if you have the courage...you can always try flashing the bios with a plain 6600 bios to unlock the extra 4 pipes.

Goodluck if you decide to.
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post #10 of 10
Thread Starter 
Is BIOS flashing a reasonably safe procedure? I tried overclocking my old 5200 and had to go with a custom made BIOS to get it to 270/285. I couldn't get it to flash a 5500 BIOS at all. Does anyone know how to flash with a BIOS that's meant for another card?
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