Compaq Deskpro 386 - Desktop PC, Maintenance And Service Manual

Page: 273 / 276

Maintenance and Service Guide
A-5
Addendum 108431-001 (11-88) to
Manual No. 108033-003
P
Parallel Interface Test 4-6
Parallel Printer Error Codes 5-12
Parts Catalog (see Illustrated Parts Catalog)
Performance Specifications
(see Specifications, Operating And Performance)
Power-On Self-Test (POST)/Problem Isolation 2-1
Power-On Self-Test (POST) 2-1
Preliminary Steps To Problem Isolation 2-2
Problem Isolation Flowchart
2-2
Power-On Self-Test Error Messages 5-1
Preliminary Steps To Problem Isolation 2-2
Printer Error Codes 5-12
Problem Isolation Flowchart 2-2
Processor Error Codes 5-5
Processor Test 4-5
R
Read/Write Test (see Write/Read/Compare Test)
Removal and Replacement Procedures
300-/600-Megabyte Fixed Disk Drive
Expansion Unit
7-50
80287 Coprocessor 7-23
Battery 7-15
Expansion Boards 7-19
Intel 387 Coprocessor 7-45
Keyboard 7-5
Lost Key 7-49
Mass Storage Device(s) 7-33
Memory Expansion Board(s) 7-24
Memory Chip(s) 7-26
Monitor 7-2
Power Fuse 7-6
Power Supply 7-12
Preparing the System Unit For The Internal
Removal And Replacement Procedures 7-8
Security Lock
7-18
Security Lock Switch 7-29
Speaker Assembly 7-29
System Board 7-39
System Unit Cover and
Internal Configuration
7-9
Terminating Resistor 7-53
RGB Interface (see Video Graphics Color Board)