July 25, 2000 OFISA 4

### NAME

ofisa - introduction to machine-independent Open Firmware ISA bus support and drivers

### SYNOPSIS

ofisa* at mainbus0 XX* at ofisa?

### DESCRIPTION

NetBSD includes a machine-independent ISA bus subsystem and several machine-independent ISA device drivers. The ofisa bus uses Open Firmware to determine how to attach devices.

### HARDWARE

NetBSD includes machine-independent Open Firmware ISA drivers, sorted by device type and driver name:

#### Disk and tape controllers

wdc
  Standard Western Digital type hard drive controllers: MFM, RLL, ESDI, and IDE/ATAPI.

#### Serial and parallel interfaces

com
  NS8250-, NS16450-, and NS16550-based serial ports.

lpt
  Standard ISA parallel port interface.

#### Network interfaces

cs
  Cirrus Logic Crystal CS8900 Ethernet interfaces.

#### Sound cards and MIDI interfaces

ess
  ESS Technology AudioDrive 1788-, 1888-, 1887-, and 888-based sound cards.

#### Miscellaneous devices

joy
  Game (joystick) adapters.

### SEE ALSO

com(4), cs(4), ess(4), intro(4), isa(4), joy(4), lpt(4), wdc(4)

### HISTORY

The Open Firmware ISA subsystem appeared in NetBSD1.4.