1.\" 2.\" Copyright (c) 1996 Jonathan Stone. 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 3. All advertising materials mentioning features or use of this software 14.\" must display the following acknowledgement: 15.\" This product includes software developed by Jonathan Stone. 16.\" 4. The name of the author may not be used to endorse or promote products 17.\" derived from this software without specific prior written permission 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29.\" 30.\" $NetBSD: asc.4,v 1.11 2001/10/29 18:59:57 gmcgarry Exp $ 31.\" 32.Dd August 26, 2001 33.Dt ASC 4 pmax 34.Os 35.Sh NAME 36.Nm asc 37.Nd 38TURBOchannel single-channel SCSI adapter 39.Sh SYNOPSIS 40.Cd "asc* at ioasic? offset ?" 41.Cd "asc* at tc? slot ? offset ?" 42.Cd "asc* at tcds? chip?" 43.Cd "scsibus* at asc?" 44.Sh DESCRIPTION 45The 46.Nm 47driver provides support for the NCR 53c94-based SCSI host adapter 48on the DECstation 5000 series, and for the PMAZ-AA and related 49TURBOchannel SCSI-adapter option boards. 50The 51.Nm 52is a medium-performance implementation of the SCSI-I common command set 53supporting synchronous and asynchronous SCSI devices. 54The driver provides no support for targets with multiple Logical 55Unit Numbers (LUNs). 56.Sh SEE ALSO 57.Xr cd 4 , 58.Xr ch 4 , 59.Xr intro 4 , 60.Xr ioasic 4 , 61.Xr scsi 4 , 62.Xr sd 4 , 63.Xr st 4 , 64.Xr tc 4 , 65.Xr tcds 4 66.Sh HISTORY 67The 68.Nm 69driver first appeared in 70.Bx 4.4 . 71