HP Cell Phone storage works modular smart array 20 manual Contents

Contents

About This Guide

Audience Assumptions	v
Technician Notes	v
Where to Go for Additional Help	vi
Telephone Numbers	vi

Chapter 1

Illustrated Parts Catalog

Chapter 2

Identifying Enclosure and Component Features

Buttons and LEDs on Enclosure Rear	2-1
Disk Drives and Drive Blanks	2-2
Controller Module	2-4
Fan Assembly	2-5
Power Supply Unit	2-6

Chapter 3

Removing and Replacing Components

Preventing Electrostatic Damage	3-1
Grounding Methods	3-1
Replacement Procedures for Hot-Pluggable Components	3-2
Disk Drive or Drive Blank	3-2
Fan Assembly	3-3
Power Supply Unit	3-3
Controller Module	3-4
Battery Packs and Cache (in the Controller Module)	3-4
Mounting Bracket Covers	3-6
Replacement Procedures for Non-Hot-Pluggable Components	3-6
Midplane Board	3-7
Backplane Board	3-9
Ribbon Cable	3-9
UID Circuit Board	3-10
VRM Power Supply	3-10

HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide iii