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[SOLVED] GTX 460 Bad Flash HELP

post #1 of 23
Thread Starter 
Hi,

I tried to BIOS flash my gigabyte gtx 460 (voltage tweak). After restart the card just stopped displaying on the monitor.

I've got spare gtx 285 and I've been trying to flash the 460 to its original BIOS using nvflash.

When I type: nvflash --list

only gtx 285 is recognised. frown.gif

So I tried nvflash -i1 -4 -5 -6 .rom, it says invalid index or sth like that.

The gtx 460 is still detected on Device Manager Windows 7.

What should I do?
Edited by fang_laluna - 12/30/10 at 1:22am
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post #2 of 23
Have you tried to erase (nvflash -e) rom, before you attempt to flash?
    
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post #3 of 23
Thread Starter 
Quote:
Originally Posted by turrican9;11803364 
Have you tried to erase (nvflash -e) rom, before you attempt to flash?

erase rom? umm, I don't want to accidentally erase gtx 285 rom. And everytime I specify index=1 (285 is in index=0) nvflash keeps saying invalid index. Somehow the 460 isn't listed in the adapter index list.
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post #4 of 23
You don't need to use the i1 command. just use nvflash.exe -4 -5 -6 biosname.rom

nvflash will ask you which card to flash anyway. You force the flash on the GTX 460. Have done this myself with 2 GTX 260 in SLI. I just used the nvflash.exe -4 -5 -6, without the i1 or i2 command.
    
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post #5 of 23
Thread Starter 
Quote:
Originally Posted by turrican9;11803563 
You don't need to use the i1 command. just use nvflash.exe -4 -5 -6 biosname.rom

nvflash will ask you which card to flash anyway. You force the flash on the GTX 460. Have done this myself with 2 GTX 260 in SLI. I just used the nvflash.exe -4 -5 -6, without the i1 or i2 command.

That's the problem. The 460 is not even detected by nvflash frown.gif
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post #6 of 23
Quote:
Originally Posted by fang_laluna;11803585 
That's the problem. The 460 is not even detected by nvflash frown.gif

even without the i1, i2 command?
    
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post #7 of 23
Thread Starter 
Quote:
Originally Posted by turrican9;11803606 
even without the i1, i2 command?

yep, only gtx 285 on index 0

it doesn't show up with 'nvflash --list' too (I believe this command will list all available device).
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post #8 of 23
Thread Starter 
hmm, just made a new discovery. The card is still detected by GPU-Z
BIOS Version 'Unknown' confused.gif
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post #9 of 23
Here you go,

Okay, success!

After trying your "-r" command I was given 2 options:

0= BR04 (05B1h)
1= GeForce 8800GT

This clicked. The reason why it was saying "unknown EEPROM" was because it didn't know what the 1st device was. (I don't either.)

So, the command line I used was:
"nvflash --index=1 -5 -6 9800gt.rom"

If anyone else is having the "unknown EEPROM" error. Then type this:
"nvflash -a"

This will list all detected devices. find where you 8800GT is on the list, and use that number in the "--index=x" string. (where "x" is the number listed for your 8800gt)

I have no clue what the 1st device listed for me is. I only have one videocard and no onboard video. If it helps anyone else, I am running a EVGA 780i SLI motherboard.


http://www.erodov.com/forums/bios-mod-8800gt-9800gt/10775-3.html
    
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post #10 of 23
Thread Starter 
Quote:
Originally Posted by turrican9;11803742 
Here you go,

Okay, success!

After trying your "-r" command I was given 2 options:

0= BR04 (05B1h)
1= GeForce 8800GT

This clicked. The reason why it was saying "unknown EEPROM" was because it didn't know what the 1st device was. (I don't either.)

So, the command line I used was:
"nvflash --index=1 -5 -6 9800gt.rom"

If anyone else is having the "unknown EEPROM" error. Then type this:
"nvflash -a"

This will list all detected devices. find where you 8800GT is on the list, and use that number in the "--index=x" string. (where "x" is the number listed for your 8800gt)

I have no clue what the 1st device listed for me is. I only have one videocard and no onboard video. If it helps anyone else, I am running a EVGA 780i SLI motherboard.


http://www.erodov.com/forums/bios-mod-8800gt-9800gt/10775-3.html

quite different problem there. He was trying to figure out the index number for 8800gt. I know exactly the index number for my 460. I tried 'nvflash -a' (will list all detected devices). 460 still not on the list. frown.gif maybe rma is the only way.
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