.\" $NetBSD: si.4,v 1.10.80.1 2019/09/02 16:39:20 martin Exp $ .\" .\" written from a reading of config files and driver source code .\" Erik E. Fair .Dd May 7, 1998 .Dt SI 4 .Os .Sh NAME .Nm si , .Nm sw .Nd NCR 5380 SCSI bus host adaptor driver .Sh SYNOPSIS .Ss sun3 .Cd "si0 at obio0 addr 0x140000 ipl 2" .Ss sun3 and sun3x .Cd "si0 at vme2 addr 0x200000 ipl 2 vect 0x40" .Cd "si1 at vme2 addr 0x204000 ipl 2 vect 0x41" .Ss sun3/E .Cd "sebuf0 at vme2 addr 0x300000 ipl 2 vect 0x74 # and 0x75" .Cd "sebuf1 at vme2 addr 0x340000 ipl 2 vect 0x76 # and 0x77" .Cd "si* at sebuf?" .Ss sun4 and sun2 .Cd "si0 at vme0 addr 0x200000 pri 2 vec 0x40" .Ss sun4/100 .Cd "sw0 at obio0 addr 0x0a000000 level 3" .Sh DESCRIPTION The .Nm and .Nm sw .Qq Tn SCSI Weird drivers provide support for the .Tn NCR 5380 .Tn SCSI Bus Controller (SBC) chip found on various Sun Microsystems .Tn CPU motherboards (obio), and on the .Qq Sun-3 VME SCSI .Pq Sun part # 501-1236 board used in systems with .Tn VME bus. .Ss sun3 and sun3x The .Tn sun3 and .Tn sun3x version of this driver can be configured with a .Em flags directive in the .Xr config 1 file. The values are bits in a bitfield, and are interpreted as follows: .Pp .Bl -tag -offset indent -compact -width 0x000ff .It 0x000ff Set bit (1<