.\"	$NetBSD: lasi.4,v 1.3 2017/02/18 22:39:00 wiz Exp $
.\"
.\"	$OpenBSD: lasi.4,v 1.23 2004/04/17 23:54:47 mickey Exp $
.\"
.\"
.\" Copyright (c) 1999 Michael Shalayeff
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd February 17, 2017
.Dt LASI 4 hppa
.Os
.Sh NAME
.Nm lasi
.Nd 2nd generation I/O subsystem
.Sh SYNOPSIS
.Cd "lasi*   at mainbus0"
.Cd "lasi*   at phantomas?"
.Cd "gsc*    at lasi?"
.Sh DESCRIPTION
Core bus controller and I/O subsystem as present on newer HP 9000/700
workstations and single-board computers.
The supported core bus controllers are those used in conjunction with
.Tn PA7100LC ,
.Tn PA7300LC
and early
.Tn PA8000 /
.Tn PA8200
CPUs and based upon LSI's macrochip that includes:
.Pp
.Bl -bullet -compact
.It
Core bus controller
.It
System Clock
.It
Interrupt Controller
.It
Real Time Clock Interface
.It
Power System support
.It
RAM and Flash EEPROM controllers
.It
Two PS/2 ports
.It
RS-232 and Centronics I/O ports
.It
i82596CA LAN coprocessor
.It
NCR53c710 SCSI I/O processor
.It
Serial Interface for the CS4216 Audio Codec
.It
Interface for the WD37C65C floppy drive controller
.It
Optional Telephone interface (two fax/voice modem channels)
.El
.Sh MACHINES
An incomplete list of machines that use the
.Tn LASI
bus controller:
.Pp
.Bl -bullet -compact
.It
712/*
.It
715/{64/80/100}[XC]
.It
725/{64/80/100}
.It
743/*
.It
744/*
.It
748/*
.It
A180[C]
.It
B132L[+], B160L, B180L+
.It
C100, C110, C132L, C160[L], C180, C200, C240, C360
.It
J200, J210[XC], J280, J282, J2240
.It
all [EK]-Class machines
.It
R380, R390
.It
RDI PrecisionBook
.It
SAIC Galaxy 1100
.El
.Sh SEE ALSO
.Xr com 4 ,
.Xr hppa/gsc 4 ,
.Xr hppa/gsckbc 4 ,
.Xr hppa/harmony 4 ,
.Xr hppa/intro 4 ,
.Xr hppa/io 4 ,
.Xr hppa/phantomas 4 ,
.Xr iee 4 ,
.Xr lpt 4 ,
.Xr osiop 4
.Rs
.%T "Precision I/O Architecture Reference Specification"
.%Q Hewlett-Packard
.Re
.Rs
.%T "712 I/O Subsystem ERS"
.%N Revision 1.1
.%D 12 February 1993
.%Q Hewlett-Packard
.%O Dwg No. A-A2263-66510-31
.Re
.Rs
.%J Hewlett-Packard Journal
.%D April 1995
.%V Volume 46
.%N Number 2
.Re
.Sh HISTORY
The
.Nm
driver appeared in
.Ox 2.4 .
It was ported to
.Nx 1.6
by Matthew Fredette.