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ECLIPSE MV/7800
Product information package
Data General Service ECLIPSE MV/7800 Product Information Package
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Title Page Fiche Frame
1 Introduction
MV/7800 Communications SWITCH-II Overview
Intelligent Modem
Security Features of the COMSWITCH-II
Operating Controls and Procedures
Cpu Chassis Control Panel
Switches
Indicator Leds
Cpu Pcb Indicator
Power-Up Procedure
System Terminal Modes of Operation
Normal Operating Mode
Console Program Mode
Changing Modes
Eclipse MV/7800 and MV/7800-C Reset Procedures
Power-Down Procedures
Modes of Operation
Power-Up Sequence
Entering Password and Dia'string
Comswitch-II Commands
BREAK>B - Send BREAK
BREAK>C - Conversation Mode ON/OFF 2-12, 2 C09
BREAIC>D - Local Console ENABLE/DISABLE
BREAIC>E - End Session
Break>H - Help
BREAK>J - Dial String VIEW/CHANGE
BREAK>M - Remote Mode - SYSTEM
BREAK>N - Remote Mode - NONE
BREAK>Q - Access Level VIEW/CHANGE
BREAK>U - USER Mode
BREAK>V - Configuration VIEW/CHANGE
BREAK>? - Status
Remote Connect Sequence
Remote Power-Up
3 Theory of Operation
Functional Overview
System Processing Unit
Memory Subsystem
Input/Output Subsystem
Diagnostic Subsystem
System Bus (S-Bus)
Timing
Address Phase
Address Modes
Data Phase and Transfer Control
Priority Arbitration
System Operation
Operational Overview
Central Processing Unit
Fixed-Point Arithmetic Logic Unit
Address Translation Unit
Instruction Prefetcher
Control Unit
CPU-FPU Synchronization
Microsequencer (Useq)
Floating-Point Unit
Memory Subsystem
Input/Output Subsystem
ECLIPSE Input/Output Bus
Burst Multiplexor Channel Controller
Diagnostic Subsystem
Diagnostic Remote Processor
Power-Up and Initialization
Extended Power-Up
System Control Program (SCP)
Remote Diagnosis
Time-Of-Day Clock/Calendar
4 Fault Diagnosis
Tools, Information, Guidelines, and
Primary Troubleshooting Tools
Gathering Initial Information
FRU Replacement Guidelines
Electrostatic Discharge (Esd) Procedure
Troubleshooting with Power-Up Self Test
Powering-Up the Computer
Automatic Loading
Remote Troubleshooting
5 Removal, Replacement and Adjustment Procedures
Decorative Front Panel
Front Rfi Shield
Ac Line Cord
Vnr Unit
VNR Unit Removal
VNR Unit Replacement
Fan and Fan Module
Removal of Fan Module and Fans
Replacement of Fan Module and Fans
Front Panel Pcb
Removal of the Front Panel PCB
Replacement of the Front Panel PCB
Plug-In Pcb
Removal of Plug-In Pcbs
PCB Removal
Replacement of Plug-In Pcbs
Cpu Chassis Back Panel
Removal of the CPU Chassis Back Panel
Replacement of the CPU Chassis Back Panel
Internal Cpu Chassis Vnr Harness
Removal of the Internal CPU Chassis VNR Harness
Replacement of the Internal CPU Chassis VNR Harness
External Vnr Plug
Internal Vnr Plug
Margining Loopback Plug
Bmc Cables
Margining Loopback Plug Location
Installation/Removal
Installation Specifications
Equipment Size and Weight
Equipment Service Clearance
USA Electrical Specifications
International Electrical Specifications
Environmental Specification
LINE VOLTAGE CHECKOUT (for USA Installation)
Cabinet Installation
Unpacking the 1605/1606 Cabinet
Removing Model 1605/1606 Cabinet from the Pallet
Chassis Installation
Unpacking CPU Chassis
CPU Chassis Installation
Installation of Bracket Supports
Installation of the Front of the Rack
Electrostatic Discharge (ESD)
Fastening the Chassis to the Rails
Installing the ESD Kit
CPU Chassis Internal Electrical Connections Check
CPU Chassis Configuration
System Console Interface Cable Location
I/O Controller Cabling and Priority Jumpers
CPU PCB Jumper/Switch Checks
System Verification
Initializing the Computer
Automatic Loading
APL Menu Options
Automatic Program Load Menu
Change Preset Values Program Responses
Change Preset Values Menu
Comswitch-II Installation
Cabling
System Console Interface Cable 005-019213 Location
System Terminal Interface MV/7800 COMSWITCH-II Cable 005-025369 Location
Modem Installation
Federal Communications Commission (FCC) Compliance Regulations
System Modem Switch Settings
Novation Modem
Modem Connections
Modem Connection
Installation
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MV/7800 Communications Switch-II Overview
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Cpu Chassis Control Panel
3
Installation
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Data General Service, Inc.
A Subsidiary of Data General Corporation
PRODUCT INFORMATION PACKAGE
ECLIPSE MV/7800 COMPUTER
Model 8883
ECLIPSE MV/7 800-C COMPUTER
Models 8884, 8885
043-003621-00
•
DGC CONFIDENTIAL - INTERNAL USE ONLY
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Table of Contents
Troubleshooting
FAULT DIAGNOSIS
87
ELECTROSTATIC DISCHARGE (ESD) PROCEDURE
93
REMOTE TROUBLESHOOTING
100
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This manual is also suitable for:
Eclipse mv/7800-c
8883
8884
8885
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