Asus P4P800-E DELUXE User Manual page 121

If there is no CD on the drive and you press <F1> or <Space Bar>, the
drive tray ejects.
7. Refer to the Instant Music function key definitions on the previous page
to select other tracks or control the volume.
8. Press <F2> or <Enter> once to stop playing the CD.
Press <F2> or <Enter> one more time to eject the CD.
ASUS P4P800-E Deluxe motherboard 5-11