OBIO(4) Kernel Interfaces Manual (MacPPC) OBIO(4)

NAME

obiointroduction to Macintosh On-Board IO bus support and drivers

SYNOPSIS

obio0 at pci? dev ? function ?

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.
mesh
Apple Macintosh Enhanced SCSI Hardware SCSI interfaces.

Disk and tape controllers

wdc
Standard IDE/ATAPI type hard drive controllers.
mediabay
Standard IDE/ATAPI type CD-ROM drive controllers in PowerBooks.

Network interfaces

bm
Apple BMac ethernet interface.
mc
Apple MACE ethernet interface.
gem
GMAC ethernet interface.
wi
WaveLAN/IEEE and PRISM-II 802.11 wireless interfaces.

Serial interfaces

zsc
Zilog 8530 serial communications interfaces.

Audio devices

awacs
Apple's ‘audio waveform amplifier and converter for sound' audio device found on most macppc models. May not work on several G4 and iBook models.

Miscellaneous devices

adb
Apple Desktop Bus for keyboards, mice, and other input devices.
nvram
Placeholder device for the persistent system settings.

SEE ALSO

adb(4), autoconf(4), awacs(4), bm(4), esp(4), gem(4), intro(4), mc(4), mediabay(4), mesh(4), wdc(4), wi(4), zsc(4)

HISTORY

obio first appeared in NetBSD 1.2.
September 21, 2003 NetBSD 6.1