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.\" $OpenBSD: asp.4,v 1.14 2003/07/09 13:26:20 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:
.\" 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 April 1, 1999
.Dt ASP 4 hppa
.Os
.Sh NAME
.Nm asp
.Nd "Core" bus controller as present on older
.Tn HP 9000/700
machines.
.Sh SYNOPSIS
.Cd "asp0 at mainbus? irq 28"
.Cd "gsc* at asp?"
.Sh INTRODUCTION
The supported Core bus controllers are those present on older
.Tn PA-RISC
workstations, and include:
.Bl -bullet -compact
.It
Core bus controller
.It
System Clock
.It
Interrupt Controller
.It
DMA Controller
.It
Real Time Clock Interface
.It
RAM and EEPROM controllers
.El
.Pp
The irq level supplied is hardwired to the CPU pin, so changing the value
would not produce any noticeable results (except lost interrupts for the whole
I/O subsystem).
.Sh MACHINES
An incomplete list of machines that use the
.Tn ASP
bus controller:
.Pp
.Bl -bullet -compact
.It
705, 710
.It
715/{33,50,75}
.It
725/{50,75}
.It
720, 730, 750
.It
735/*
.It
745i/{50,75}
.It
747i/{50,75}
.It
755/*
.El
.Sh SEE ALSO
.Xr gsc 4 ,
.Xr intro 4 ,
.Xr io 4
.Rs
.%T "Hardball I/O Subsystem ERS"
.%N Revision 1.1
.%D 30 September 1991
.%Q Hewlett-Packard
.Re
.Sh HISTORY
The
.Nm
driver
appeared in
.Ox 2.4 .
|
