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