Hi BIOS Gurus
I got my hands on the above and trying to set it free from factory limitations. The only thing I need it for is to be able to remove the XTU interface block and be able to lower CPU voltage by offset so that it gets cool and quiet.
So far I have
a. opened the original file with AMIBCP 5.02 and set a few options to "USER" as found in one of the guides, saving into same file
b. tried to flash it back with AFUWINGUI and got error 18...
Any ideas apart from taking the flash IC off and read/write it with a programmer? Would be my last option though - would likely void warranty.
Original file link: https://global-download.acer.com/GDFiles...3377220834
Update:
Tried parsing the file and setting/changing variables with offset 0x88E, 0x17 and 0x1B8 from UEFI shell, would not change anything, still read only...
Followed this - https://www.win-raid.com/t3993f16-Tool-G...riter.html
Update2:
Examined the board - bios is stored on GD25B127CSIG.
Tried reading with a Pomona clip using a flasher (tried 3 different devices). Reading is OK.
Tried writing - no can do - have to take the IC off, W/P is pulled down with something... desoldering will sure void the warranty. Stuck. Looking for SW method...
I got my hands on the above and trying to set it free from factory limitations. The only thing I need it for is to be able to remove the XTU interface block and be able to lower CPU voltage by offset so that it gets cool and quiet.
So far I have
a. opened the original file with AMIBCP 5.02 and set a few options to "USER" as found in one of the guides, saving into same file
b. tried to flash it back with AFUWINGUI and got error 18...
Any ideas apart from taking the flash IC off and read/write it with a programmer? Would be my last option though - would likely void warranty.
Original file link: https://global-download.acer.com/GDFiles...3377220834
Update:
Tried parsing the file and setting/changing variables with offset 0x88E, 0x17 and 0x1B8 from UEFI shell, would not change anything, still read only...
Followed this - https://www.win-raid.com/t3993f16-Tool-G...riter.html
Update2:
Examined the board - bios is stored on GD25B127CSIG.
Tried reading with a Pomona clip using a flasher (tried 3 different devices). Reading is OK.
Tried writing - no can do - have to take the IC off, W/P is pulled down with something... desoldering will sure void the warranty. Stuck. Looking for SW method...