Zenith Data Systems Z-386/25 Series Manuals

Manuals and User Guides for Zenith Data Systems Z-386/25 Series. We have 1 Zenith Data Systems Z-386/25 Series manual available for free PDF download: Service Manual

Zenith Data Systems Z-386/25 Series Service Manual

Zenith Data Systems Z-386/25 Series Service Manual (146 pages)

Brand: Zenith Data Systems | Category: Desktop | Size: 30 MB

Table of Contents

Table of Contents
3
Chapter 1 Introduction

9
- Related Publications
  9
- Safetyprecautions
  10
- Basecomputer
  10
- Optional Hardware
  12
Chapter 2 Installation

13
- Unpackingthecomputer
  13
- Keyboard Installation
  15
- Powerconnections
  18
- Powerup
  19
- Staticprecautions
  21
- Numeric Coprocessor Installation
  21
- Circuit Card Installadon
  22
- Memory Module Installation
  24
- Disk Drive Installation
  26
- Drive Chassisremoval
  26
- Inch Floppy Disk Drive Installaton
  28
- Inch Floppy Disk Drive Installation
  28
- Hard Disk Drive Installadon
  31
- Blankpanelremoval
  32
Chapter 3 Operation

33
- Resettingthecomputer
  34
- Themonitorprogram
  34
- Entering the Monitor Program
  35
- Setup Command
  36
- Systemram
  37
- Add-Onram
  37
- Memory Allocaton
  37
- Bootdrive
  38
- Changingthepassword
  40
- Disablingthepassword
  41
- Operatingspeed
  41
- Videodisplay
  42
- Videorefreshrate
  42
- Hard Disks
  42
- Exiting the Setup
  43
- Video Commands
  44
- Video Modes
  44
- User Tests
  45
- Disk Drives
  46
- Memory Circuits
  52
- Peripheral Circuits
  58
- Power Supply
  61
- Hardware Reset
  67
- Software Reset
  68
- Bus Arbitration
  68
- Bus Masters
  68
- Memory Cycles
  69
- Memory Read
  70
- DMA Cycles
  71
- Programmable Interval | Timer
  74
- System Control Processor
  75
- Serial Port
  75
- Parallel Port
  76
- Cover Removal
  78
- Main Board Removal
  86
- Chassis Removal
  87
- Power Supply Removal
  88
- Video Card
  98
- Hard Disk Drives
  103
- Floppy Disk Drives
  103
- Troubleshooting Chapter
  104
- Status Leds
  105
- Troubleshooting
  105
- Disk-Based Diagnostics
  117
- Parts List
  130
- Specifications
  135

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