BIOS Updates forum

Hello,

I have flashed wrong bios (6cx instead of 6cxc) on gigabyte 6cxc mb and it is dead now. No recovery is working, floppy is dead and my amiboot.rom file waiting for the green ligh to start lit.

But it has a dual boot option, but socket for second bios was empty. I discovered original bios chip is Intel 82802AB 4Mbit FWH and started researach. Unfotunately I'm not able to find anyone who can get the chip here in Czech Rep. I found there are other chips compatible with intel like SST, or PMC 49fl004T, etc.
I noticed I have this PMC chip on my other Asus A7N8X mb so I decided to use it for recovery.

So now I have old PIII gigabyte working booting from second bios with correct code BUT I"M NOT ABLE TO TRANSFER THE CODE BACK TO ORIGINAL Intel chip which is on the mb (not in the socket but directly on mb).

During POST pressing F1 to enter dual bios menu halts the system before entering menu, so I can not copy code between the two chips.


IS THERE ANY SOFTWARE FOR COPYING DATA BETWEEN DUAL BIOS CHIPS?

I've also tryied to hot remove the chip after succesfull booting into dos and then trying to flash, but all flash programs are not able to switch from boot chip to the other one.


tanks a lot for any help

the only thing I can try is to change chip ID so mb can handle it while entering dual bios menu.
It can be probably done by uniflash, by what Id should I enter?

This is what manual says about dualb:



III. Q: How does DualBIOSTM technology work?
Answer:

1. DualBIOSTM technology provides a wide range of protection during the boot up procedure. It protects your BIOS during system POST, ESCD update, and even all the way to PNP detection/assignment.
2. DualBIOSTM provides automatic recovery for the BIOS. When the first BIOS used during boot up does not complete or if a BIOS checksum error occurs, boot-up is still possible. In the DualBIOSTM utility, the "Auto Recovery" option will guarantee that if either the main BIOS or backup BIOS is corrupted, the DualBIOSTM technology will use the good BIOS and correct the wrong BIOS automatically.
3. DualBIOSTM provides manual recovery for the BIOS. DualBIOSTM technology contains a built-in flash utility, which can flash your system BIOS from backup to main and/or visa versa. There is no need for an OS-dependent flash utility program.
4. DualBIOSTM contains a one-way flash utility. The built-in one-way flash utility will ensure that the corrupt BIOS is not mistaken as the good BIOS during recovery and that the correct BIOS (main vs. backup) will be flashed. This will prevent the good BIOS from being flashed.



It would be great to see it working but unfortunately in my case it is not . . . . .