obio(4)
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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), esp(4), intvid(4), mac68k/autoconf(4), mac68k/intro(4),
mac68k/iwm(4), mac68k/zsc(4), mc(4), ncrscsi(4), sn(4), wdc(4)
HISTORY
obio first appeared in NetBSD 1.2.
NetBSD 8.1 February 17, 2017 NetBSD 8.1
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