Bitfields for IBMSND driver capabilities:
Bit(s)	Description	)
 0	can play audio in background
 1	data is massaged for output device
 2	driver plays at fixed frequency, resampling input data to fit
 3	driver uses timer interrupt
---DIGPAK---
 4	device supports timer sharing
 5	supports looped sounds and pending
 6	supports stereo panning
 7	supports 8-bit PCM stereo playback
 8	supports audio recording
 9	supports DMA bakcfilling