.\"	$OpenBSD: lasi.4,v 1.25 2007/05/31 19:19:54 jmc 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:
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.Dd $Mdocdate: May 31 2007 $
.Dt LASI 4 hppa
.Os
.Sh NAME
.Nm lasi
.Nd core bus controller and I/O subsystem as present on
newer
.Tn HP 9000/700
workstations and single-board computers
.Sh SYNOPSIS
.Cd "lasi0   at mainbus? irq 28"
.Cd "lasi0   at phantomas? irq 28"
.Cd "lasi0   at uturn? irq 28"
.Cd "gsc* at lasi?"
.Sh DESCRIPTION
The supported Core bus controllers are those used in conjunction with
.Tn PA7100LC
and
.Tn PA7300LC
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
745/*
.It
A180[C]
.It
B132L[+], B160L, B180L+
.It
C100, C110, J200, J210[XC]
.It
RDI PrecisionBook
.It
SAIC Galaxy 1100
.El
.Sh SEE ALSO
.Xr asp 4 ,
.Xr gsc 4 ,
.Xr intro 4 ,
.Xr io 4 ,
.Xr phantomas 4 ,
.Xr power 4 ,
.Xr uturn 4 ,
.Xr wax 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 .