62Chapter 4: Meridian Link/CCR hardware

MVME167-03

This card, one of the Motorola MVME167 family, may be installed in place of the MVME147 card in new modules running Meridian Link and/or CCR.

The MVME167 card consists of the following:

¥MC68040 microprocessor operating at 25 MHz

¥16 Mbytes of dynamic random access memory (DRAM)

¥MC68882 floating point coprocessor

¥shared dynamic random access memory (DRAM), with parity

¥time-of-day clock and calendar with battery backup

¥128 kbytes of static random access memory (SRAM)

The SBC card provides the following interfaces:

¥SCSI bus interface with DMA channel to control the disk/tape unit

¥four serial I/O ports with EIA-232-D buffers

¥one parallel I/O port with an EIA-232-D buffer

¥Ethernet transceiver interface

The SBC card also provides the following functions:

¥VME bus interrupter

¥VME bus system controller functions

¥VME bus master interface

¥VME bus requester

553-3202-210 Standard October 1998

Page 80
Image 80
Meridian America Link/Customer Controlled Routing manual MVME167-03