If you happen to forget your BIOS password, if your system is compromised by an unexpected voltage fluctuation, or you fall victim to an unpleasant virus - KILLCMOS will be able to restore your system to a functional state by pulling up default factory settings, without the hassle of entering BIOS setup during boot time.
KILLCMOS is a handy tool if you ever lose control of your BIOS settings or password. Despite what the freeware name suggests, KILLCMOS does not kill, or reprogram your CMOS, but rather works as a desperate remedy to password loss. It will effectively alter checksums and values of the CMOS in order to "trick" the system into bypassing the password and restoring your mainboard to its default settings. In other words, it does not directly impact hardware - but simply reads and write values in order to reconfigure the mainboard's settings.
Instead of killing the CMOS, the software reboots the mainboard with default factory settings.
Regardless of how complicated a previously set password may be, KILLCMOS will be able to decrypt it and boot up the mainboard using default factory settings.
In addition to losing or forgetting a password - you may find yourself in a pickle after messing with BIOS setup during booting, or lose control due to a nasty virus or an unusual power flux - KILLCMOS is a one-stop last resort for rehabilitating your system to a functional state and bringing it back under your control.
KILLCMOS is older freeware, developed back in 1996, and although it has been updated over the years - the best results will be achieved on older, flashable, motherboards, as it may fail on newer machines. In addition, KILLCMOS will not function if the BIOS is entirely corrupt.