Epson ActionPC 2000 Read This First Manual page 56

Check that the CD-ROM drive cables (data and audio) are
securely
(Loose or defective cables will also produce no CD audio.)
See your computer User's Guide for instructions on
removing the computer's cover to access the drive cables.
If you still see the error message when you try to access the
drive, restore your original system files as described on
page 22.
sound card drivers, you can check to see if the drivers were
loaded properly by watching the messages your computer
displays when your turn on or reset your computer. You
should see no errors when it loads MTMCDAS.SYS,
MSCDEX.EXE, or MZTINIT.SYS.
you may need to load the CD-ROM and sound card drivers
into a high memory area. Use the MS-DOS MemMaker
utility to move the CD-ROM driver MTMCDAS.SYS and
the sound card driver MZTINIT.SYS from conventional
memory to high memory. See your MS-DOS manual (or
on-line help) for instructions.
High Sierra or ISO-9660 format reading
d r i v e n . A b o r t , Retry or Ignore, make sure you
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.
24 Read This First
to the drive and to the sound card.
connected