1.\" $OpenBSD: asp.4,v 1.14 2003/07/09 13:26:20 jmc Exp $ 2.\" 3.\" 4.\" Copyright (c) 1999 Michael Shalayeff 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd April 1, 1999 28.Dt ASP 4 hppa 29.Os 30.Sh NAME 31.Nm asp 32.Nd "Core" bus controller as present on older 33.Tn HP 9000/700 34machines. 35.Sh SYNOPSIS 36.Cd "asp0 at mainbus? irq 28" 37.Cd "gsc* at asp?" 38.Sh INTRODUCTION 39The supported Core bus controllers are those present on older 40.Tn PA-RISC 41workstations, and include: 42.Bl -bullet -compact 43.It 44Core bus controller 45.It 46System Clock 47.It 48Interrupt Controller 49.It 50DMA Controller 51.It 52Real Time Clock Interface 53.It 54RAM and EEPROM controllers 55.El 56.Pp 57The irq level supplied is hardwired to the CPU pin, so changing the value 58would not produce any noticeable results (except lost interrupts for the whole 59I/O subsystem). 60.Sh MACHINES 61An incomplete list of machines that use the 62.Tn ASP 63bus controller: 64.Pp 65.Bl -bullet -compact 66.It 67705, 710 68.It 69715/{33,50,75} 70.It 71725/{50,75} 72.It 73720, 730, 750 74.It 75735/* 76.It 77745i/{50,75} 78.It 79747i/{50,75} 80.It 81755/* 82.El 83.Sh SEE ALSO 84.Xr gsc 4 , 85.Xr intro 4 , 86.Xr io 4 87.Rs 88.%T "Hardball I/O Subsystem ERS" 89.%N Revision 1.1 90.%D 30 September 1991 91.%Q Hewlett-Packard 92.Re 93.Sh HISTORY 94The 95.Nm 96driver 97appeared in 98.Ox 2.4 . 99