CD-DA subsystem enabled: Enables the CD-DA subsystem. The CD-DA subsystem is disabled by default.

CD-DA auto-play mode: Turns on/off the CD-DA Auto-play mode. This mode, when switched on allows you to take Audio CDs out of the CD-ROM drive, and insert new ones with the audio always automatically starting. This lets you treat the computer and OtsAV more like a lounge room CD Player, except of course with Ots all your tracks nicely mix together radio-style.

Enable CD-DA Subsystem at Program Startup: Enables the CD-DA subsystem at startup. By Default the CD-DA subsystem is disabled at startup.

Remove Cache Entry for CD in Drive 1 - 4: Enables the Cache entry to be removed for a CD in the corresponding drive.