1.\" $OpenBSD: asp.4,v 1.16 2007/05/31 19:19:54 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 $Mdocdate: May 31 2007 $ 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 DESCRIPTION 39The supported Core bus controllers are those present on older 40.Tn PA-RISC 41workstations, and include: 42.Pp 43.Bl -bullet -compact 44.It 45Core bus controller 46.It 47System Clock 48.It 49Interrupt Controller 50.It 51DMA Controller 52.It 53Real Time Clock Interface 54.It 55RAM and EEPROM controllers 56.El 57.Pp 58The irq level supplied is hardwired to the CPU pin, so changing the value 59would not produce any noticeable results (except lost interrupts for the whole 60I/O subsystem). 61.Sh MACHINES 62An incomplete list of machines that use the 63.Tn ASP 64bus controller: 65.Pp 66.Bl -bullet -compact 67.It 68705, 710 69.It 70715/{33,50,75} 71.It 72725/{50,75} 73.It 74720, 730, 750 75.It 76735/* 77.It 78745i/{50,75} 79.It 80747i/{50,75} 81.It 82755/* 83.El 84.Sh SEE ALSO 85.Xr gsc 4 , 86.Xr intro 4 , 87.Xr io 4 88.Rs 89.%T "Hardball I/O Subsystem ERS" 90.%N Revision 1.1 91.%D 30 September 1991 92.%Q Hewlett-Packard 93.Re 94.Sh HISTORY 95The 96.Nm 97driver 98appeared in 99.Ox 2.4 . 100