BIOS Updates forum

I've been working with the cmos but in Win2K. In this OS I gotta make a device driver with a companion software to do the probing and patching the cmos contents :(. Anyway the chip itself located in port 70h and 71h where port 70h is the address (control) port and 71h is the data port. From windows ...

I really wish to make an additional bios routine that will show up by means of trapping certain keyboard character similar to pressing "del" during power up on award bioses. I've already able to embed certain routine in the bios as an isa expansion rom, but I wish to extend it to show some menu thro...

Thanks dud, I've been so hard figuring out how to use the -force option in Uniflash.

BIOS MODIFICATION GUIDE The purpose of this mod is to patch certain chipset regs (i.e. Host bridge). There are 2 ways to accomplish the task: 1. By modding original.tmp (main bios file extracted from a bios file) chipset register default value. 2. By adding a new ‘modified‘ bios rom file by means of...

Bios Chip Hacking trick Finally I found the trick to hack my bios safely without using the so called Bios Savior, the trick as follows: 1. Use a bios chip (FlashROM) with the same type as the one in your current Mobo as a backup in case something went wrong. To do so, remove any protectors that avoi...

Is it possible to add a new chipset register default value in Modbin ??? I intend to optimize some of the regs of my chipset anyway, I've got the datasheet, modbin, and cbrom but I still confused, please help me.

I've found new bug and the solution for uniflash 1.25. Currently the bug as follows: When I try to flash my bios file <256 Kb> to an atmel flash chip i.e. AT29C020-90, ->uniflash can't recognize the chip <- . Actually this is not the default bios chip of my mobo, I do a hot swapping to backup my mob...

Does anyone knows how to replace the system bios (the core of the bios rom file) with another one (for the same chipsets) perhaps from different motherboard by using awdhack or another tools ?