NAME    [Toc]    [Back]

     si - NCR 5380 Sun SCSI 3 VME SCSI controller

SYNOPSIS    [Toc]    [Back]

     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    [Toc]    [Back]

     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    [Toc]    [Back]

     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    [Toc]    [Back]

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

HISTORY    [Toc]    [Back]

     The si driver first appeared in NetBSD.

OpenBSD     3.6                           March      4,      1998