HP Cell Phone storage works modular smart array 20 manual Backplane Board, Ribbon Cable

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Removing and Replacing Components

Backplane Board

1.Remove the midplane board.

2.Remove the knurled thumbscrew on the backplane board (1).

3.Tilt the lower portion of the backplane board upward and lift the board out of the enclosure (2).

To install a backplane board:

1.Position the board against the chassis so that the three rounded prongs on the chassis engage with the corresponding holes in the board.

2. Tighten the thumbscrew.

Ribbon Cable

To remove the ribbon cable, hold the cable connector and pull it directly out of the socket.

When replacing the cable, note that the connector is keyed so that it can fit in the socket in only one orientation.

HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide

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Image 24 Contents
July 2004 First Edition Part Number Page Contents Chapter Specifications About This Guide Audience AssumptionsTechnician Notes Where to Go for Additional Help Telephone NumbersIllustrated Parts Catalog Enclosure parts Description Spare part number Identifying Enclosure and Component Features Buttons and LEDs on Enclosure RearItem Description Disk Drives and Drive Blanks Drive in carrier and drive blankOnline LED Fault/ID LED Meaning Green Amber/blue Interpreting the Drive Status LEDsController Module Controller moduleFan Assembly Fan assemblyPower Supply Unit Power supply unitRemoving and Replacing Components Preventing Electrostatic DamageGrounding Methods Hot-pluggable Not hot-pluggableReplacement Procedures for Hot-Pluggable Components Disk Drive or Drive BlankFan Assembly Power Supply UnitBattery Packs and Cache in the Controller Module Controller ModuleRemoving and Replacing Components Replacement Procedures for Non-Hot-Pluggable Components Mounting Bracket CoversMidplane Board Removing and Replacing Components Backplane Board Ribbon CableVRM Power Supply UID Circuit BoardSpecifications Power SpecificationsEnvironmental Specifications Nominal Value RangePhysical Specifications Form Dimensions Weight International cm