Epson ActionPC 3000 Read This First Manual page 29

If you see the error message CDR103 : CD-ROM not
H i g h S i e r r a o r I S O - f o r m a t r e a d i n g
d r i v e n . A b o r t , R e t r y o r I g n o r e , m a k e s u r e y o u
did not accidentally insert an audio CD into the drive. Also,
some older games may not conform to the newer ISO
format; contact the game manufacturer for an updated
version of the game, if available.
2 6 Read This First