NAME    [Toc]    [Back]

     pcctwo - PCCchip2 local bus controller

SYNOPSIS    [Toc]    [Back]

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

DESCRIPTION    [Toc]    [Back]

     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    [Toc]    [Back]

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

OpenBSD      3.6                           May      14,      2003