.\"	$OpenBSD: lasi.4,v 1.26 2015/09/10 15:16:43 schwarze Exp $
.\"
.\"
.\" Copyright (c) 1999 Michael Shalayeff
.\" All rights reserved.
.\"
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.Dd $Mdocdate: September 10 2015 $
.Dt LASI 4 hppa
.Os
.Sh NAME
.Nm lasi
.Nd core bus controller and I/O subsystem as present on newer 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 .