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Z-486/25E
Service manual
Zenith Data Systems Z-486/25E Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Chapter 1 - Introduction
Related Materials
Safety Precautions
Basecomputer
Optional Hardware
Chapter 2 Operation
Resettingthe Computer
The Monitor Program
Entering the Monitor Program
Bootcommand
Usertests
Chapter 3 - Troubleshooting
Staticprecautions
Troubleshooting Procedure
Statusleds
Troubleshooting Charts
Disk-Based Diagnostics
Power-Up and Error Messages
Chapter 4 - Disassembly and Options
Managing Power Supply Capacity
Cover Removal/Installation
4167 Coprocessor Installation
Oemrominstallation
System Memory Card Removal/Installation
SIMM Installation/Removal
Disk Drive Installation
Optional 5.25-Inch Floppy Disk Drive Installation
Mounting Diskdrives
Blank Panel Removal
Real-Time Clock IC Replacement
Real-Time Clock Icdisposal
Card Guide Removal/Installation
Power Switch Replacement
System Board Removal/Installation
Chapter 5 - Hardware Configuration
Staticprecautions
Disk Controller Card (Part Number 240-7926-10)
High Performance VGA Card (Part Number 240-7940-10)
Parts List
Specifications
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Table of Contents
Troubleshooting
Chapter 3 - Troubleshooting
15
Troubleshooting Charts
17
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