NAME
asc
-
TURBOchannel single-channel SCSI adapter
SYNOPSIS
asc* at ioasic? offset ?
asc* at tc? slot ? offset ?
asc* at tcds? chip?
scsibus* at asc?
DESCRIPTION
The
asc
driver provides support for the NCR 53c94-based SCSI host adapter
on the DECstation 5000 series, and for the PMAZ-AA and related
TURBOchannel SCSI-adapter option boards.
The
asc
is a medium-performance implementation of the SCSI-I common command set
supporting synchronous and asynchronous SCSI devices.
The driver provides no support for targets with multiple Logical
Unit Numbers (LUNs).
SEE ALSO
cd(4),
ch(4),
intro(4),
ioasic(4),
scsi(4),
sd(4),
st(4),
tc(4),
tcds(4)
HISTORY
The
asc
driver first appeared in
4.4BSD.