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

NAME
     si - NCR 5380 Sun SCSI 3 VME SCSI controller

SYNOPSIS
     si0     at vmes0 addr 0xff200000 level 3 vect 0x40            (sun4)
     #si0     at vmes0 addr 0xff200000 level 3 vect 0x40 flags 0x07 (sun4)
     scsibus* at si?

DESCRIPTION
     The si is a VME SCSI controller based on the NCR 5380 chip, found in sun3
     and sun4 systems with the VME bus.

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

     The si 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
     DMA by default.

SEE ALSO
     cd(4), ch(4), esp(4), intro(4), scsi(4), sd(4), ss(4), st(4), sw(4),
     uk(4)

HISTORY
     The si driver first appeared in NetBSD.

OpenBSD 4.7                      May 31, 2007                                1
