From https://macgui.com/kb/article/57
| Keys | Function |
|---|---|
| Ctrl-OA-Reset | Reboot |
| Ctrl-Shift-OA-Reset | Reboot and re-load BRAM (ROM 03) |
| Ctrl-OA-OPT-Reset | System test (OA-OPT to repeat) |
| Option while power-on | Menu to Reset standards |
| Ctrl-OPT-Reset | Reboot and give menu |
| Ctrl-OA-ESC | Go to control panel |
| Ctrl-OA-Shift-ESC | More direct to control panel |
| Shift 5 times | Enable sticky keys (ROM 03 or Sys 6) |
| Shift-OA-Clear | Enable keyboard mouse (ROM 03 or Sys 6) |
| Ctrl-OA-Del | Clear keybard type-ahead buffer |
| Hold OA, then Ctrl-Del | Auto fire Button 0 |
| Shift-Period on keypad | Comma |
| Ctrl-OA-2 in GS/OS desktop app | Select “About..” |
| Control-6, then <key> in BASIC | Set cursor to <key> |
| Ctrl-OA-OPT-N at sliding Apple | Credits |