Ravindra Kulkarni
Acer – CTL ALT ESC
AMI BIOS – DEL, F1 or F2
AST, Advantage, Award, Tandon – CTL ALT ESC
Award BIOS – DEL or CTL ALT ESC
Compaq – F10
DELL – F1 or DEL or CTL ALT ENTER
DTK BIOS – Esc
Gateway 2000 – F1
Hewlett Packard – F1
IBM
Older Models – In order to get into the configuration of the IBM setup screen CMOS screen you need to hold down both mouse buttons during bootup.
Aptiva – F1
PS/2 – CTL ALT INS after CTL ALT DEL
PS/2 with reference partition – INS
NEC – F2
Olivetti PC Pro – SHIFT CTL ALT Numpad DEL
Packard Bell – F1 or F2
Phoenix BIOS F1 or F2, or CTL ALT ESC or CTL ALT S or CTL S or CTL ALT INS
Sharp Laptop 9020 – F2
Sony – F3 at switchon, then F2 or F1
Tandon – CTL SHIFT ESC
Toshiba – ESC at switchon
Zenith – CTL ALT INS
Miscellaneous – CTL ESC or CTL ALT +
IgNiTeD SoUL 