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From an article by Betty Clay, The Transactor, March 1988
On pre-Workbench 3.0 machines, the Amiga flashed screen colors as it booted:
| Dark Gray |
Light Gray |
White |
Initial hardware tested OK. |
Software is OK |
Initialization tests passed. |
If something goes wrong with your Amiga, you might see these colors:
| Red |
Green |
Blue |
Yellow |
| Error in ROM |
Error in Chip RAM |
Error in custom chips |
The CPU found an error before error trapping software (the guru) was running |
Finally, the keyboard performs a self-test. The number of times the CAPS LOCK light flashes tells you what is wrong:
| One Blink |
Two Blinks |
Three Blinks |
Four Blinks |
| Keyboard ROM check failed |
Keyboard RAM check failed |
Watchdog timer test failed |
Short exists between two row lines or one of the seven special function keys |
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