According to your edits that is a desktop motherboard, and it certainly does have a battery on it. It is located between the southbridge heatsink and the 90-degree IDE header. The simplest way to remove a BIOS password is to simply remove the CMOS battery. A computer will remember its settings and keep the time even when it is turned off and unplugged because these parts are powered by small battery inside the computer called a CMOS battery. Turn your machine on to verify that the password has bee reset.
Once cleared, turn the computer off and return the jumper or dip switch to its original position. BIOS passwords can add an extra layer of security for desktop and laptop computers. They are used to either prevent a user from changing the BIOS settings or .
Clearing BIOS Passwords for Boards and Kits - Intel
BIOS passwords can add an extra layer of security for desktop and laptop computers. They are used to either prevent a user from changing the BIOS settings or to prevent the PC from booting without a password.
To reset the BIOS password, you will need to move the jumper that is covering two of the three pins. On most systems, moving the jumper over one pin will change it. BIOS so that data that the related passwords is cleared out. This is done by moving a jumper on the motherboard.
Another way is to short the clear CMOS jumper on the motherboard itself if one is present. These methods work because on most desktop and a few laptop motherboards, a battery is used to sustain the BIOS/CMOS settings.
windows - Forgot BIOS password, need to reset it - Super User
Board should a jumper for resetting the BIOS password. You may need to consult the motherboard manual, get to this law or by codes on the motherboard itself, the jumper reset identify pins.
Prior to the production of Mac computers using x86 or Intel chips during the later portion of the 2000’s and their use of EFI, OpenFirmware was the BIOS equivalent on all Macintosh computers. OpenFirmware provides similar functionality on a Mac as the BIOS and EFI do on other computing systems.
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