Bba

BBA(4) - Device Drivers Manual (alpha)

Audio, Intro, Bba

BBA(4) - Device Drivers Manual (alpha) # BBA(4) - Device Drivers Manual (alpha) NAME # bba - IOASIC baseboard audio device driver SYNOPSIS # bba0 at ioasic? audio* at bba? DESCRIPTION # The bba driver provides support for the IOASIC baseboard audio found on DEC 3000 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. ...

IOASIC(4) - Device Drivers Manual (alpha)

Intro, Zs, Le, Bba, Asc, Ioasic

IOASIC(4) - Device Drivers Manual (alpha) # IOASIC(4) - Device Drivers Manual (alpha) NAME # ioasic - baseboard IO control ASIC for DEC TURBOchannel systems SYNOPSIS # ioasic0 at tc? slot ? offset ? DESCRIPTION # The ioasic driver provides support for the DEC proprietary IOCTL ASIC found on DEC 3000 TURBOchannel machines. The ioasic provides hardware DMA channels and interrupt support for several baseboard devices, including one asc(4) SCSI device with a scatter/gather DMA channel, an mc146818-compatible mcclock, an Am7930 audio device bba(4), two zs(4) dual-port serial devices, and an AMD 7990 LANCE le(4) Ethernet interface. ...