PCCTWO(4)            OpenBSD Programmer's Manual (MVME88K)           PCCTWO(4)

NAME
     pcctwo - PCCchip2 local bus controller

SYNOPSIS
     pcctwo0 at mainbus0 addr 0xfff00000         (MVME187)
     pcctwo0 at bussw0 offset 0x00000            (MVME197)

DESCRIPTION
     The pcctwo PCCchip2 ASIC provides an interface to the different local
     bus-attached I/O devices as found on some of the MVME88k Single-Board
     Computers.  On MVME187 boards it is attached directly to the processor
     bus, while on MVME197 boards it attaches to the bussw(4) BusSwitch ASIC.

     Features Summary:

     o   8-bit parallel I/O port
     o   Master/slave interface for cl(4) CD2401 serial controller
     o   Host interface to ie(4) Intel i82596CA LAN coprocessor
     o   Host interface to osiop(4) Symbios/NCR 53C710 SCSI controller
     o   Interface to the memc(4) Memory controller ASIC

SEE ALSO
     bussw(4), ie(4), intro(4), osiop(4)

OpenBSD 4.7                      May 31, 2007                                1
