Appendix D - Special Early Startup Control Options

This appendix describes the following special boot options in the Amiga Early Startup Control system:

• Disabling devices and processor caches for software compatibility
• Choosing display options for running games
• Diagnosing expansion board failures

The Amiga Early Startup Control Screen, illustrated in Figure D-1, allows you to select Boot Options, Display Options, or Expansion Board Diagnostics. Access the Amiga Early Startup Control Screen by turning on or rebooting your Amiga while holding down both mouse buttons. You can toggle between NTSC and PAL display modes by pressing any key on the keyboard.

Figure D-1.

Amiga Early Startup Control Screen

Exit the Amiga Early Startup Control screen by selecting the Boot button for a normal system boot or the Boot with No Startup-Sequence button to boot directly into an AmigaDOS Shell window.