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
Theasc 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), ioasic(4), pmax/intro(4), scsi(4), sd(4), st(4), tc(4), tcds(4)
HISTORY
The asc driver first appeared in
4.4BSD.