IBM 22P6979 There is no sound from the CD., The connectors on the audio cables provided do not fit the connector on your audio adapter., You receive buffer underrunerror messages when copying CDs or making data CDs.

There is no sound from the CD.
Take the following actions:
1. Check that you are using an audio CD and not a data CD.
2. Adjust the sound-adapter volume control. See the documentation that comes
with your sound adapter and audio-CD player program.
3. Turn off the computer,unplug the cables from the electrical outlets for your
computer and all attached devices, and remove the computer cover. Check that
the audio-signal cable connects the 40X/12X/40X Max CD-RW drive to the
sound adapter.
The connectors on the audio cables provided do not fit the
connector on your audio adapter.
Some audio adapters might require a special cable. See the documentation that
comes with your sound adapter.
You might have to purchase a separate audio cable for the 40X/12X/40X Max
CD-RW drive. The audio-out connector on the 40X/12X/40X Max CD-RW drive
requires a MPC-2 compliant Molex 70553 or equivalent connector. (To locate the
drive audio connector, see “Back view of the drive”on page3.) If you are using an
IBM computer or IBM sound adapter, see “Service and Support”on page25 for
assistance.
You receive ″buffer underrun″error messages when copying
CDs or making data CDs.
Take the following actions:
vIf the file source is a network or removable device, copy the files to the local
hard disk first.
vIf using CD copier, select Advanced and check the Copy to Hard Disk option.
vIf using RecordNow, select Options->Advanced, and make sure that Burn-Proof
is checked.
vTry reducing the write speed.
vMake sure the source and target drives are being operated in DMA mode. See
Appendix C, “Customizing the device-driver configuration settings”on page 23
for more information.
22 40X/12X/40X Max CD-RW Drive: User’s Guide