HP Visualize c100 Manuale utente

Installing the C Class Disk Tray

Fan Upgrade

HP Part No. A4200-90028

E0197

Printed in USA

Hewlett-Packard Co. 1996

Printing History

First Printing: January 1997

UNIX is a registered trademark in the United States and other countries,

licensed exclusively through X/Open Company Limited.

NOTICE

The information contained in this document is subject to change without

notice.

HEWLETT-PACKARD MAKES NO WARRANTY OF ANY KIND WITH

REGARD TO THIS MATERIAL INCLUDING BUT NOT LIMITED TO

THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT-

NESS FOR A PARTICULAR PURPOSE. Hewlett-Packard shall not be lia-

ble for errors contained herein or for incidental or consequential damages in

connection with the furnishing, performance or use of this material.

Hewlett-Packard assumes no responsibility for the use or reliability of its

software on equipment that is not furnished by Hewlett-Packard.

This document contains proprietary information that is protected by copy-

reproduced or translated to another language without the prior written con-

sent of Hewlett-Packard Company.

RESTRICTED RIGHTS LEGEND. Use, duplication, or disclosure by gov-

ernment is subject to restrictions as set forth in subdivision (c) (1) (ii) of the

Rights in Technical Data and Computer Software Clause at DFARS

252.227.7013. Hewlett-Packard Co., 3000 Hanover St., Palo Alto, CA

94304.

10 9 8 7 6 5 4 3 2 1

Upgrading your C Class Disk Tray

Your upgrade kit contains the following:

• Disk tray I/O board

• Fan Assembly

• ESD kit

• Upgrade manual

NOTE: Installing this upgrade in your C Class system does not affect the regulatory and

safety classifications or approvals. The upgraded system meets all of the regulatory

and safety standards listed in Appendix A of your C Class Owner’s Guide.

The general steps are outlined as follows and should be performed in the

sequence listed. Refer to the individual sections of this guide for the actual

step-by-step procedures for upgrading the C Class disk tray.

1Remove the disk tray.

2Remove the disk I/O board

3Install fan

4Install new disk I/O board

Preparing Your Workstation

Before starting the upgrade, use the following procedure to prepare the

workstation:

CAUTION: Before you power down your system be sure to close applications and save

any work where applicable.

1Power off your workstation by pressing the power button on the front panel.

When you press the power button, the workstation automatically shuts down the

operating system before it powers off the system.

2Power down the system.

3Unplug the power cord of the system unit, the monitor, and any peripheral

devices from ac wall outlets.

4Unplug the power cord from the back of the system unit.

WARNING: To avoid electrical shock, make sure you unplug the power cable from

the wall outlet and the system unit before proceeding any further.

CAUTION: The internal components of your workstation are susceptible to mechanical and

electrostatic shock. To prevent such damage from occurring, observe the following

precautions during the installation procedure.

•Stand on a static-free mat (if available)

•Wearastatic-groundingwrist strap to ensure thatanyaccumulated electrostatic charge

discharges from your body to ground. Attach the static-grounding wrist strap by fol-

lowing the instructions on the package that contains the strap. Be sure to attach one

end of the strap to the system chassis.

Preparing Your Workstation

5Remove the floor stand from the system unit, as shown in Figure 1.

Figure 1 Removing the Floor Stand

6Lay the system unit on a flat surface, such as a table top.

7Attach a static-grounding wrist strap to bare metal on the back of the system unit.

Removing the Storage Tray

Perform the following procedure to remove the storage tray from the system

unit:

1Remove the storage tray retaining screw, as shown in Figure 2.

2If installed, remove any locking device from the storage tray security loop on the

rear of the system unit.

3Place your fingertips in the groove on the bottom of the storage tray bezel. See

Figure 2.

Figure 2 Removing the Storage Tray

4Slide the storage tray completely out of the system unit.

CAUTION: Be sure to support the storage tray from underneath while sliding it out of

the system unit.

Retaining Screw

Removing the Disk Interconnect Board

Perform the following procedure to remove the disk interconnect board from

the storage tray:

1Remove the two retaining screws from the disk interconnect board, as shown in

Figure 3.

Figure 3 Removing the Disk Interconnect Board

2Disconnect any cables from the disk interconnect board.

3To remove the disk interconnect board, hold it by the edges and lift straight up,

as shown in Figure 3.

Installing the Fan Assembly and Disk Interconnect Board

Installing the Fan Assembly and Disk Interconnect

Board

Perform the following procedure to install the new fan assembly into the

storage tray. The steps in this procedure should be performed in the sequence

listed.

NOTE: There should be no cables routed under the fan assembly when this procedure is

completed.

1You may have to disconnect the I/O cables from your storage devices, depending

on the configuration of your disk tray. Figure 4 shows the location of the storage

devices in the storage tray and the routing of the storage device cabling.

Disconnect the cables from the storage devices as follows:

• Devices in positions 1 and 2 - No need to disconnect the I/O cable from the

device. Drape the cable over the bezel end of the storage tray.

• Devices in positions 3 and 4 - If there are no devices in positions 3 and 4, the

dressed cable should be draped over the bezel end of the storage tray. If there

are devices in positions 3 and/or 4, the daisy-chained I/O cable should be

disconnected from the device(s) and draped over the bezel end of the storage

tray.

• If there are other cables present, but not connected to devices, they should be

draped over the bezel end of the storage tray also.

• Disconnect the power cables from any devices in positions 3 and 4.

Installing the Fan Assembly and Disk Interconnect Board

Figure 4 Storage Device Cable Routing

2Hook the fan assembly into the slots on the storage tray. See 1in Figure 5.

3Lay the fan assembly down onto the storage tray. See 2in Figure 5.

4If present, reconnect the floppy disk drive I/O cable to the disk interconnect

board. Ensure the floppy I/O cable is routed under devices in positions 3 and 4.

5Reconnect the human interface cable to its connector on the left side of the disk

interconnect board. Ensure the human interface cable is routed under devices in

positions 3 and 4.

6Reconnect the power cables to storage devices and disk interconnect board.

7Insertthetabonthenew disk interconnect board into the notch in the storage tray.

See 3in Figure 5.

Installing the Fan Assembly and Disk Interconnect Board

8Secure the disk interconnect board and fan assembly with the new thumb screws

received in the upgrade kit. See 4in Figure 5.

CAUTION: Be very careful not to pinch any cables or wires when securing the new disk

interconnect board.

9Connect the fan power cable to the two pin connector just below and to the left

of the power distribution connector. See 5in Figure 5.

Figure 5 Installing the Fan Assembly onto the Storage Tray

10 Reconnect storage device I/O cables from positions 1 and 2, to the new disk

interconnect board, ensuring the cables are routed on top of the fan assembly,

alongside the fan itself. See Figure 6

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