Motorola MVME187 Manual De Usuario
2-4
Board Level Hardware Description
2
187Bug Firmware
The MVME187Bug debug monitor firmware (187Bug) is provided
in two of the four EPROM sockets on the MVME187.
in two of the four EPROM sockets on the MVME187.
It provides:
❏
Over 50 debug commands
❏
Up/down load commands
❏
Disk bootstrap load commands
❏
A full set of onboard diagnostics
❏
A one-line assembler/disassembler
The 187Bug user interface accepts commands from the system
console terminal.
console terminal.
187Bug can also operate in a System Mode, which includes choices
from a service menu.
from a service menu.
Features
❏
M88000 Microprocessor (one MC88100 MPU and two
MC88200 or MC88204 CMMUs)
MC88200 or MC88204 CMMUs)
❏
4/8/16/32/64MB of 32-bit DRAM with parity or
4/8/16/32/64/128/256MB of 32-bit DRAM with ECC
protection
4/8/16/32/64/128/256MB of 32-bit DRAM with ECC
protection
❏
Four 44-pin PLCC ROM sockets (organized as two banks of
32 bits)
32 bits)
❏
128KB Static RAM (with optional battery backup as a factory
build special request)
build special request)
❏
Status LEDs for
FAIL
,
STAT
,
RUN
,
SCON
,
LAN
,
+12V
(LAN
power),
SCSI
, and
VME
.
❏
8K by 8 static RAM and time of day clock with battery backup