HP 9030 User Manual

Table of Contents
Chapter 1. General Information
Introduction. " . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-1
Description.
" ................................................................ 1-2
Warnings, Cautions,
and Notes ................................................. 1-3
Repair
Philosophy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-3
Ac Components/Power Cords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-4
Safety
....................................................................... 1-4
General
Safety Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1-4
Safety Guidelines for High-Voltage Testing
.................................... 1-5
Grounding Requirements
...................................................... 1-6
Computer Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.. 1-6
Case
....... , ............................................................ 1-6
Air Intake Filter (HP 9040 Only) ............................................. 1-6
Chapter 2. Theory of Operation
Introduction ..... " . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-1
Power Supply Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-3
Ac Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-5
Primary Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-5
Secondary Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.. 2-6
Supervisor Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.. 2-7
Status
LEOs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-8
Processor Stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-9
Stack Configurations
.................................................... " 2-10
Stack Boards .......................................................... " 2-11
Stack Motherboard
..................................................... " 2-11
Clock Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.. 2-11
Power Interlock Switch .................................................. " 2-12
Cooling
............................................................... " 2-12
Memory
.............................................................. " 2-12
Memory Organization - 256K Byte
RAM Board ............................. " 2-13
Memory Organization - 512K Byte
RAM Board ................... , ......... " 2-18
Memory Organization - 1 Megabyte
RAM Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-23
lOP Bus .............................................................. " 2-26
System Control Module ..................................................... " 2-27
Register Allocations
..................................................... " 2-28
Real-Time Clock (RTC)
and Non-Volatile Memory (NVM) ...................... 2-29
Loader
ROM .......................................................... " 2-30
Service Panel Interface .................................................. " 2-31
Power-Fail Warning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-31
High Temperature Warning
................................................ 2-31
Self-Test
.............................................................. " 2-31
Non-Maskable Interrupt
................................................. " 2-32
Service
Panel Switches .................................................. " 2-32
14.7456
MHz Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2-32
iii

HP 9030 Specifications

General

Brand	HP
Model	9030
Category	Desktop
Language	English