HP 9800 SERIES Service Manual

Table of Contents
Specifications
Safety Considerations
Chapter 1: General Information
Introduction
........................................................................ 1-1
General Description
........................................ , ........................ 1-1
Service
Support Package ............................................................ 1-3
Options ............................................................................ 1-5
Equipment Supplied
................................................................. 1-5
Accessories Available
................................................................ 1-6
Installation
......................................................................... 1-7
Power Requirements
............................................................. 1-7
Fuses
........................................................................... 1-8
Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Self-Test
....................................................................... 1-10
9895A Installation Procedure
.................................................... 1-12
Flexible Disc
Use ................................................................... 1-14
Introduction
................................................................... 1-14
Disc Loading
................................................................... 1-14
Disc Handling Precautions
...................................................... 1-14
Write Protect
................................................................... 1-15
Operator Controls
.................................................................. 1-16
Reset Caused by Line Voltage Reduction
............................................. 1-16
Chapter 2: Theory of Operation
Introduction ........................................................................ 2-1
Controller Module Theory of Operation
............................................... 2-1
Introduction
..................................................................... 2-1
General Description
.............................................................. 2-1
Controller Interface to HP-IB(PHI Chip)
........... . ............................ 2-3
Processor
and Memory ........................................................... 2-3
Read Operation
................................................................. 2-4
Write Operation
............................................................. "0 ••• 2-4
Error Detection
.................................................................. 2-4
Seek Operation .................................................................. 2-5

HP 9800 SERIES Specifications

General

Category	Storage
Series	9800 SERIES
Type	Disk Array
Drive Types Supported	SAS, SSD
RAID Levels Supported	0, 1, 5, 6, 10
Host Connectivity	Fibre Channel, iSCSI, SAS
Redundancy	Redundant power supplies and fans