Galaga Error Codes

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Original Midway/Namco board sets:

RAM Errors
Error Code	Meaning
RAM OK	All RAMs are good
RAM 0L	RAM located on Video PC board at position 1K is bad
RAM 0H	RAM located on Video PC board at position 1K is bad
RAM 1L	RAM located on Video PC board at position 1K is bad
RAM 1H	RAM located on Video PC board at position 1K is bad
RAM 2L	RAM located on Video PC board at position 3E is bad
RAM 2H	RAM located on Video PC board at position 3F is bad
RAM 3L	RAM located on Video PC board at position 3K is bad
RAM 3H	RAM located on Video PC board at position 3L is bad
RAM 4L	RAM located on Video PC board at position 3H is bad
RAM 4H	RAM located on Video PC board at position 3J is bad

ROM Errors
Error Code	Meaning
ROM OK	All ROMs are good
ROM 01	ROM located on CPU PC board at position 3N is bad
ROM 02	ROM located on CPU PC board at position 3M is bad
ROM 03	ROM located on CPU PC board at position 3L is bad
ROM 04	ROM located on CPU PC board at position 3K is bad
ROM 11	ROM located on CPU PC board at position 3J is bad
ROM 21	ROM located on CPU PC board at position 3E is bad