Reset BIOS Password Through DOS
Posted: Tuesday, 17 April 2012 by Unknown in Labels: bios, dos, reset password, windows
0
AMI/AWARD BIOS
DEBUG
O 70 17
O 71 17
Q
PHOENIX BIOS
DEBUG
O 70 FF
O 71 17
Q
GENERIC
Invalidates CMOS RAM.
Should work on all AT motherboards
(XT motherboards don't have CMOS)
DEBUG
O 70 2E
O 71 FF
Q
Note that the first letter is a "O" not the number "0". The numbers which follow are two bytes in hex format.
DEBUG
O 70 17
O 71 17
Q
PHOENIX BIOS
DEBUG
O 70 FF
O 71 17
Q
GENERIC
Invalidates CMOS RAM.
Should work on all AT motherboards
(XT motherboards don't have CMOS)
DEBUG
O 70 2E
O 71 FF
Q
Note that the first letter is a "O" not the number "0". The numbers which follow are two bytes in hex format.