Alternate BIOS Entry

Method:                                            System:

del during boot                                    AMI, Award
Esc during boot                                    Toshiba
F1  during boot                                    Toshiba; Phoenix; Late model PS/1 Value  Point and 330s
F2  during boot                                    NEC
F10 when square in top RH corner of screen         Compaq      
Ins during boot                                    IBM PS/2s w/ Reference Partition
Reset twice                                        Some Dells
Alt Enter                                          Dell
Alt ?                                              some PS/2s
Ctrl-Esc                                           General
Ctrl Ins                                           some PS/2s when pointer at top right of  screen
Ctrl Alt Esc                                       AST Advantage, Award, Tandon
Ctrl Alt +                                         General
Ctrl Alt S                                         Phoenix
Ctrl Alt Ins                                       Zenith, Phoenix
Ctrl S                                             Phoenix
Ctrl Shift Esc                                     Tandon 386
Shift Ctrl Alt + Num Pad del                       Olivetti PC Pro
Setup disk                                         Old Compaqs, Epson (Gemini), IBM,  IBM PS/2, Toshiba, most old 286s