Cisco Systems 2621 User Manual
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BootROM Installation for Cisco 2620 and

Cisco 2621 Routers

Product Numbers:

MEM2620-32FSBOOT=

This document describes the procedures for replacing the BootROM in a Cisco 2620 or Cisco 2621 router. Cisco 2620 and Cisco 2621 routers can be upgraded to support a maximum of 32MB of Flash memory when using both the Cisco 2600 BootROM version 12.1(3r)T2 (supplied with Cisco p/n MEM2620-32FSBoot=)and Cisco IOS Release 12.1.3T, 12.2, 12.2T, or later Cisco IOS versions.

Note You can upgrade the BootROM to support 32MB Flash in the following routers: Cisco 2620 and Cisco 2621.

Cisco 2620XM and Cisco 2621XM routers already support 32MB Flash; they do not require a BootROM upgrade.

Additional information about Cisco 2600 series routers is in the Cisco 2600 Series Routers Hardware Installation Guide. This document can be accessed on the DocumentationCD-ROMor online through Cisco.com at:Cisco Product Documentation > Access Servers and Access Routers > Modular

Access Routers > Cisco 2600 Series Routers > Hardware installation documents for Cisco 2600 series > Cisco 2600 Series Routers Hardware Installation Guide.

The Regulatory Compliance and Safety Information document provides essential safety information applicable to your router. You can access this document at: Cisco Product Documentation > Access

Servers and AccessRouters > Modular Access Routers > Cisco 2600 Series Routers > Regulatory compliance and safety documents for the Cisco 2600 Series

This document contains the following sections:

Opening the Chassis, page 2

Replacing the ROM, page 4

Closing the Chassis, page 5

Testing ROM Installation, page 5

Obtaining Documentation, page 5

Obtaining Technical Assistance, page 6

Obtaining Additional Publications and Information, page 8

Corporate Headquarters:

Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706USA

Copyright © 2003 Cisco Systems, Inc. All rights reserved.

Opening the Chassis

Warning Only trained and qualified personnel should be allowed to install or replace this equipment.

Warning Before performing any procedures described in this document, review the Safety Recommendations in your Regulatory Compliance and Safety Information document.

Note When a procedure refers to the left side or right side of the chassis, it means as viewed from the front.

Opening the Chassis

This section describes the procedure for opening the chassis by removing the chassis cover.

Warning Do not touch the power supply when the power cord is connected. For systems with a power switch, line voltages are present within the power supply even when the power switch is OFF and the power cord is connected. For systems without a power switch, line voltages are present within the power supply when the power cord is connected. To see translations of the warnings that appear in this publication, refer to theRegulatory Compliance and Safety Information document that accompanied this device.

Warning To prevent personal injury or damage to the chassis, never attempt to lift or tilt the chassis using the handles on modules (such as power supplies, fans, or cards); these types of handles are not designed to support the weight of the unit. To see translations of the warnings that appear in this publication, refer to theRegulatory Compliance and Safety Information document that accompanied this device.

Statement 1032

Tools Required

You will need the following tools to remove and replace the BootROM on the router:

Number 2 Phillips screwdriver

Electrostatic discharge (ESD)-preventivewrist strap

BootROM required for your planned upgrade

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Opening the Chassis

Removing the Chassis Cover

You must open the chassis to access the internal components.

Warning Before opening the chassis, disconnect thetelephone-networkcables to avoid contact withtelephone-networkvoltages.

To remove the chassis cover:

Step 1 Attach anESD-preventivewrist strap and ensure that it makes good contact with your skin. Connect the equipment end of the wrist strap to the metal backplane of the chassis, avoiding contact with the connectors.

Step 2 Power OFF the router.

Step 3 Disconnect all cables from the rear panel of the router.

Step 4 Remove the screws located on the top of the chassis. Note that the chassis is comprised of two sections: top and bottom.

Step 5 Holding the chassis with both hands, position it as shown inFigure 1.

Step 6 Slide the top section away from the bottom section as shown inFigure 2. Set the cover aside.

Figure 1 Holding Chassis for Cover Removal

POWER RPS ACTIVITY

Cisco 2600SERIES

H11658

Figure 2 Removing Chassis Cover

POWER RPS ACTIVITY

Cisco 2600SERIES

35392

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