OBIO(4)             NetBSD/mac68k Kernel Interfaces Manual             OBIO(4)

NAME
     obio -- introduction to Macintosh On-Board IO bus support and drivers

SYNOPSIS
     obio0 at mainbus?

DESCRIPTION
     The obio interface serves as an abstraction used by the autoconfiguration
     system to help find and attach devices (e.g. the Ethernet or disk con-
     trollers) connected to the Macintosh onboard I/O bus.

HARDWARE
     NetBSD includes machine-dependent On-Board drivers, sorted by device type
     and driver name:

   SCSI interfaces
           esp       NCR 53C9x SCSI interfaces.

           ncrscsi   NCR 5380 SCSI interface.

   Disk and tape controllers
           iwm       Integrated Woz Machine - Sony based floppy drives.

           wdc       Standard IDE/ATAPI type hard drive controllers.

   Network interfaces
           mc        Apple MACE ethernet interface.

           sn        Sonic (DP83932, DP83916) based ethernet interfaces.

   Serial interfaces
           zsc       Zilog 8530 serial communications interfaces.

   Audio devices
           asc       Apple Sound Chip as found on 68k based Macintosh comput-
                     ers.

   Miscellaneous devices
           adb       Apple Desktop Bus for keyboards, mice, and other input
                     devices.

           intvid    Internal video hardware.

SEE ALSO
     adb(4), asc(4), autoconf(4), esp(4), intro(4), intvid(4), iwm(4), mc(4),
     ncrscsi(4), sn(4), wdc(4), zsc(4)

HISTORY
     obio first appeared in NetBSD 1.2.

NetBSD 5.0_STABLE             September 21, 2003             NetBSD 5.0_STABLE
