SW(4)                 OpenBSD Programmer's Manual (SPARC)                SW(4)

NAME
     sw - NCR 5380 SCSI Weird Sun 4/100 on-board SCSI controller

SYNOPSIS
     sw0     at obio0 addr 0x0a000000 level 3 (sun4/100)

DESCRIPTION
     The sw is the Sun 4/100 on-board SCSI controller based on the NCR 5380
     chip, found only on Sun 4/100 workstations.  The sw driver is actually
     implemented as part of the si(4) driver.

DEVICE FLAGS
     0x01     Use DMA (polled)
     0x02     Use DMA completion interrupts
     0x04     Allow disconnect/reconnect

     The sw device flags may be OR'd together to enable any combination of the
     features listed above.  If no flags are specified, the device will use
     polled DMA by default.

BUGS
     The sw driver only supports polled DMA at this time.

SEE ALSO
     esp(4), si(4)

HISTORY
     The sw driver first appeared in NetBSD.

OpenBSD 3.0                      March 4, 1998                               1
