OBIO(4) Kernel Interfaces Manual (Mac68k) OBIO(4)

NAME

obiointroduction 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 controllers) 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 computers.

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.
September 21, 2003 NetBSD 6.1