Toshiba CMOS Setup program for portable computers.This DOS program displays and allows you to set the CMOS/BIOS settings of your Toshiba portable computer.This program does not run in a DOS session under Windows.From Windows, youll need to restart in MS-DOS mode in order to use this utility.You can also access the BIOS/CMOS setup screen without having to use TSETUP by holding down the [Esc] key when you first power-on the system.