NAME
asp —
first generation I/O
subsystem
SYNOPSIS
asp* at mainbus0
gsc* at asp?
DESCRIPTION
Core bus controller and I/O subsystem as present on older HP 9000/700 workstations. The supported core bus controllers are those used in conjunction with PA7000, PA7100, and PA7150 CPUs and include:- Core bus controller
- System Clock
- Interrupt Controller
- DMA Controller
- Real Time Clock Interface
- RAM and EEPROM controllers
MACHINES
An incomplete list of machines that use the ASP bus controller:
- 705, 710
- 715/{33,50,75}
- 725/{50,75}
- 720, 730, 750
- 735/*, 755 (ASP2)
- 742i
- 745i/{50,75}
- 747i/{50,75}
- 755/*
SEE ALSO
hppa/gsc(4), hppa/intro(4), hppa/io(4)
Hardball I/O Subsystem ERS, Revision 1.1, Hewlett-Packard, 30 September 1991.
HISTORY
The asp driver appeared in
OpenBSD 2.4. It was ported to
NetBSD 1.6 by Matthew Fredette.