June 22, 2005 BBA 4

### NAME

bba - IOASIC Baseboard Audio device driver

### SYNOPSIS

bba0 at ioasic? offset ? audio* at audiobus?

### DESCRIPTION

The bba driver provides support for the IOASIC baseboard audio found on DEC 3000/300, 3000/500 NetBSD(/alpha) and DEC Personal DECstation NetBSD(/pmax) systems. The baseboard audio driver is based on the AMD 79c30 ISDN and audio interface. The interface is only capable of playing and recording 8kHz mu-law audio.

### SEE ALSO

audio(4), ioasic(4)

### HISTORY

The bba device driver appeared in NetBSD1.5. The name for the driver was adopted from the same driver in ULTRIX.