.\"	$OpenBSD: lasi.4,v 1.4 1999/06/30 01:14:34 mickey Exp $
.\"
.\"
.\" Copyright (c) 1999 Michael Shalayeff
.\" All rights reserved.
.\"
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.\"    must display the following acknowledgement:
.\"	This product includes software developed by Michael Shalayeff.
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.Dd March 1, 1999
.Dt LASI 4
.Os
.Sh NAME
.Nm lasi
.Nd "Core" bus controller and I/O subsystem as present on HP9000
712/*, 725/75, 725/100, 743/*, 744/*, 745/*
workstations
.Sh SYNOPSIS
.Cd "lasi0   at mainbus? irq 28"
.Cd "gscbus* at lasi?"
.Pp
.Sh INTRODUCTION
The supported Core bus controllers are those present on PA7100LC-based
workstations (usually), and based upon LSI's macrochip that includes:
.Bl -bullet -compact
.It
Core bus controller
.It
System Clock
.It
Interrupt Controller
.It
Real Time Clock Interface
.It
RAM and Flash EEPROM controllers
.It
Two PS/2 ports
.It
RS-232 and Centronics I/O ports
.It
i82596 Ethernet Controller
.It
NCR53C710 SCSI IO Processor
.It
Serial Interface for the CS4216 Audio Codec
.It
Interface for the WD37C65C floppy drive controller
.El
.Pp
.Sh SEE ALSO
.Xr wax 4 ,
.Xr asp 4 ,
.Xr gsc 4 ,
.Xr intro 4
.Rs
"Precision I/O Architecture Reference Specification"
.br
Hewlett Packard
.Re
.Rs
"712 I/O Subsystem ERS" Revision 1.1, 12 February 1993
.br
Hewlett Packard, Dwg No. A-A2263-66510-31
.Re
.Rs
Hewlett-Packard Journal
.br
April 1995 Volume 46 Number 2
.Re
.Sh HISTORY
The
.Nm
driver
appeared in
.Ox 2.4 .