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Galaga Error Codes

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

 


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