I tried to update my Gigabyte 4850 BIOS using Gigabytes Windows VGA @Bios utility. The upgrade never seemed to finish, infact I left it for an hour and it still said "Updating please wait". When I tried to close the @Bios window it suddenly responded and displayed "bios update successful" and the PC needed to be rebooted. At this stage I was doubtful of a successful outcome.
Upon restarting I got no display at all.
I've since tried the card in another PC, again a blank screen.
I flashed the CMOS on the mobo just incase it needed to be refreshed but that didnt work either.
I put an old nVidia 6x series in and the PC booted fine.
The motherboard (GA-MA790FX-DQ6) I have has 4 PCIe x16 slots (I plan to try xFire at some point).
After reading some other posts it has been suggested using a working card in the primary PCIe 16 slot and try updating the BIOS that way. However, I cant see that working as the only other cards I have are nVidia based and will the DOS utility that comes with the BIOS file itself actually detect the other card? Obviously I wont be trying the Windows version of the VGA @Bios utility again and would suggest others avoid it.
Does anyone have any experience with VGA Bios's? Also is there perhaps a key I need to press during boot...
check out the rbe section in the forums, also check out their gpu bios database and see if you EXACT card is listed.
did you keep a copy of the original bios?
if you did then theres a tutorial on there on how to make a blind disk to put the original bios back using atitool which will hopefully turn your paperweight into a gpu again.
(oh and ye, i did the same to my 4870 the other day, so i know what ya going through)
I wanted to edit my 4850 bios and its useless right now....no signal, tried on other system....
you guys thing sapphire will replace it or am i screwed...?
no i need a floppy drive to make *blind disc* ??
just put yourself in my position, a $200 card is dead....it be nice to find help
check out the rbe section in the forums, also check out their gpu bios database and see if you EXACT card is listed.
did you keep a copy of the original bios?
if you did then theres a tutorial on there on how to make a blind disk to put the original bios back using atitool which will hopefully turn your paperweight into a gpu again.
(oh and ye, i did the same to my 4870 the other day, so i know what ya going through)
everything you need is on techpowerup.
Thanks for the info, really useful!!
My card isnt listed in the bios DB and oddly the list of graphics cards that are supported by the DOS Gigabyte Flash Utility doesnt contain the card I have.
However, I will persevere with the ATi tool and see what happens. I will post my results.
the floppy drive approach is the easiest method i found to do this, if you dont have one try and scavenge one from an old/friends machine.
AG - theres two bios listed on the site for the gigabyte 4850
VER011.004.000.000.029193 & VER011.003.000.000.029117
its worth a shot to see if either will work..
Al - im hoping you have a dual slot or toxic as thats the ones they have on the site...give the dual slot version a go...either that or i would try the standard ATI versions, theres 3 of those to try.
the b**** is, you are not covered under warranty for video bios editing, it sucks, i had a sleepless night with that one too, but post back on your progress and we will see what we can do...
Get a and old PCI card, very old method, but works!. If you dont have a floppy you can use a bootable pendrive or a bootable cd with dos. Here is a little program taht makes a bootable floppy http://www.filewatcher.com/m/boot9 [...] 8.0.0.html
Got my card working again! ATiFlash plus a backup of the original BIOS that thankfully I took as a precaution.
I am trying to give you credit but the page isnt responding so I'll try again later.
I am going to get hold of an old PCI card if this were to ever happen again on a 1 slot PCIe mobo.
Hello AGTDenton, I have backup of my original Gigybyte 4850 512Mb Bios. I have the same problem as you, black screen and nothing and a lot of dirty words My mail is bubucci@seznam.cz ICQ 285-334-577
>>>atiflash -f -p 0 4870F.bin
>>>this is to be used with just the busted card installed.
what card do you have? what did you do? did you make a backup of the original bios?
try using the above with the original bin/rom/f file and using the floppy disc with the autoexec.bat file in it and see what happens.
Yea, i did i try using that atiflash -f -p 0 bios.rom and i have 4850 r485zl-512h. all it says was that adapter not found and btw i cant use the other method the autoexec.bat if i do it freeze at the loading screen of window 98. or could u guide me properly?
Personally I'd recommend getting yourself a copy of the Ultimate Boot CD and booting into the FreeDOS utility provided with it, this is what I used and it worked a treat, you can then run the AtiFlash utility from a USB drive (must be inserted before you boot the PC in order for freeDOS to recognise it).
http://www.ultimatebootcd.com/