.\"	$OpenBSD: asp.4,v 1.9 2003/03/05 19:50:48 jmc Exp $
.\"
.\"
.\" Copyright (c) 1999 Michael Shalayeff
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.\"	This product includes software developed by Michael Shalayeff.
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.Dd April 1, 1999
.Dt ASP 4 hppa
.Os
.Sh NAME
.Nm asp
.Nd "Core" bus controller as present on HP9000
715/33/50/75, 725/50/75, 735/*, 755/*
workstations
.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 SEE ALSO
.Xr gsc 4 ,
.Xr intro 4 ,
.Xr io 4
.Rs
"Hardball I/O Subsystem ERS" Revision 1.1, 30 September 1991
.br
Hewlett Packard
.Re
.Sh HISTORY
The
.Nm
driver
appeared in
.Ox 2.4 .