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EVGA GeForce 7600 GT, and some BIOS flashing help needed? - 2008/05/13 01:32 Hi all, okay I was having some thouble with a few GeForce 7600 GT's working together in SLI so I found this site and did some reading on flashing the BIOS. I downloaded nvFlash v5.63 and the card was having thouble with is made by PNY but has the GeForce 7600 GT chipset. I have a few other ones I brought towards the end of 2007 with a BIOS version 5.73.22.51.45 which is a newer version. So I used nvFlash to backup the PNY one. I then flashed the PNY one with the newer BIOS.

I than restarted the computer and nothing on the display, it won't even turn the power led green. So then I tried reflashing back the PNY file I saved before I flashed just in case by doing the in the blind flashing way. I could hear the computer reboot but the nothing. So I took the card out of that computer put it into another as the only card and the same no video. So then I put one good card the new BIOS file came from in the first SLI slot and put the PNY one I tried to flash in the second slot and the computer boots up just fine and even in SLI mode and both GeForce 7600 GT cards have the same BIOS.

But I can't put the PNY in slot one and the good card in slot two and have a good display. So now I'm confused and I tried to flash back the PNY with a good card in slot one and it won't flash back so I need help on how to get it to flash back to its right BIOS or how to reflash it so it can be used as a single card again? Thanks for your time and any help you guys can give?
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Re:EVGA GeForce 7600 GT, and some BIOS flashing help needed? - 2008/05/14 14:30 Can anyone help me? I don't get stuck much on computer stuff have owned my computer business for years but this one really has me stuck. I have tried everything I can think of or read about it's like it's stuck in slave mode works fine as a second card and SLI drivers detect it. So I think I flashed it with a backup from another card that was running as the slave card in SLI mode due to the fact everything works except monitor output or being seen with nvFlash when I put it in as a only card or master. Please I really want to fix this? Thanks...
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Re:EVGA GeForce 7600 GT, and some BIOS flashing help needed? - 2008/05/15 00:29 First of all we don't like guys with no patience who just think they are alone having issues, and therefore this is your first warning and will also the last one. Just so you know some people have to sleep and secondly this is a website that is non profit, and which is just done out of hobby... Second, this is not just like any forums where you can just post just to get your problem solved first, you wait and hopefully someone will post a solution and if we don't have one than you are stuck. Just as you are now... But maybe we have some solution you can try out.

Than again, there are no BIOS's that are just slave SLI BIOS's so that is certainly not the issue, though you have flashed a different BIOS on the PNY card and most likely that newer BIOS was not at all well suited for it, though when it is kind of second to a card in SLI it can handle it as the first card does control the SLI config. But once it is alone something is missing. That is the only explanation I can think of and it is not very common though itis common when you have an older card and use a very new BIOS that was not designed for it as such since the design and memory chips have changed since.

So, the best thing you can do is you keep both card in the system, you use a bootable DOS media and you try flashing the second card, the PNY one once the PC is booted from that DOS media using nvFlash. Be careful as you need to make sure to use the correct index while flashing. And if that doesn't work, then I doubt your backup BIOS is okay or the newer BIOS you tried has overwritten some data it shouldn't have and then you are best to erase the full EEPROM first, though don't reboot when it is erased, do a flash after that immediately.

nvFlash v5.xx Commands...
"nvflash -i1 -4 -5 -6 oldbios.rom" (Forced BIOS Flash 2nd Card)
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Re:EVGA GeForce 7600 GT, and some BIOS flashing help needed? - 2008/05/15 02:04 First of all I’d like to say sorry for expecting an answer in just two days time and it won’t happen again. But at the same time I was not demanding I was asking for help from the only forums I thought was the best one I found on the net. Now as to the problem as you know there are so many different stories you read on the forums one place you may read one thing and something else another place. The reason I said about the second card thing in SLI mode is because I had seen some where else that you can not flash the card if it’s in the second slot being the second cards video is turned off in SLI mode.

So I thought if I backup the BIOS from the card in the second slot then it would have a switch turned of on video. Because in SLI mode you do not or can you get video off the slave card. Now I have tried to reflash in DOS mode the backup BIOS to the PNY card and nvFlash tells me there is no card but the main one. So it’s not seeing the card in the second slot. I have even moved the PNY card to the main slot with out a card in the second slot using the blind mode flash nothing. So yes maybe the EEPROM needs to be erased but I don’t see or have I found the commands to do that?

I have also tried a motherboard with built on video and still nvFlash can’t see the PNY card in the PCI Express slot. It works fine as a slave in SLI mode both Windows and the drivers see it running SLI and 3DMark can see it also from it’s scores. So if there is a way to do a full erase then reflash? Maybe that would work I don’t know. Thanks so much for your time.
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Re:EVGA GeForce 7600 GT, and some BIOS flashing help needed? - 2008/05/15 10:05 Well that somehow confirm what I though, and that is that I don't think you have a good backup of the original BIOS of the PNY card or the blind flash didn't do what is needs to do really. And you don't know that as you haven't seen anything. Secondly you state that nvFlash can't see the PNY in the second slot well that means the card is not functioning really as it should. Now you also say DOS mode, and that is not what we want, we mean DOS bootable media. Meaning you boot from a DOS bootable floppy or USB stick. And if nvFlash doesn't recognize the card in the second slot at that time then you can be sure that even in Windows it doesn't neither work as it should be.
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Re:EVGA GeForce 7600 GT, and some BIOS flashing help needed? - 2008/05/15 14:25 When I say DOS mode but I mean booting from a floppy. In the old days being I've been working on computers back in the 8086 processor days that's what we called it. Not as they call it today meaning from within side of Windows in a command window. I don't even flash a BIOS from inside Windows. But in any case when I backed up the PNY BIOS it was the only card in the computer.

But when I backed up the EVGA it was in SLI mode on that computer so I thought that maybe the one that backup was the one that was in the second slot and being it has it's video switched off which would be done by a software or BIOS command then doing a backup on that card you would get a BIOS back that way. I looked around trying to find the commands for erase the EEPROM.
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Re:EVGA GeForce 7600 GT, and some BIOS flashing help needed? - 2008/05/15 20:43 drmark wrote:
But when I backed up the EVGA it was in SLI mode on that computer so I thought that maybe the one that backup was the one that was in the second slot and being it has it's video switched off which would be done by a software or BIOS command then doing a backup on that card you would get a BIOS back that way.
The BIOS is not changing at all when you run SLI mode or not or when the second card has no display while running SLI, that is just controlled by software and doesn't have any impact on the BIOS at all, so that theory is just nonsense.

nvFlash v5.xx Commands...
"nvflash --eraseeeprom" (Erase EEPROM)
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