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Upgrading the Boot ROMs in Cisco 1600 Series Routers

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Upgrading the Boot ROMs in Cisco 1600 Series Routers

Table Of Contents

Upgrading the Boot ROMs in
Cisco 1600 Series Routers

Tools and Equipment Required

Safety Information

Safety Warnings

Preventing Electrostatic Discharge Damage

Removing the Router Cover

Replacing the Boot ROMs

Replacing the Router Cover

Cisco Connection Online


Upgrading the Boot ROMs in
Cisco 1600 Series Routers


Text Part Number: 78-4524-01
Cisco Product Numbers: BOOT-1600=

This document describes how to upgrade the boot ROMs in Cisco 1600 series routers.

Tools and Equipment Required

The following tools are required to upgrade the router's boot ROMs:

Number 1 Phillips screwdriver

Plastic-leaded chip-carrier (PLCC) extraction tool

Boot ROM chips

Safety Information

This section contains safety information that you should read before upgrading the boot ROMs in the router.

Safety Warnings


Warning   

Before working on a system that has an on/off switch, turn OFF the power and unplug the power cord.



Warning   

Before opening the chassis, disconnect the telephone-network cables to avoid contact with telephone-network voltages.



Warning    

Do not work on the system or connect or disconnect cables during periods of lightning activity.



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.



Warning   

Read the installation instructions before you connect the system to its power source.



Warning   

Ultimate disposal of this product should be handled according to all national laws and regulations.



Warning   

Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals.



Warning   

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



Warning   

Hazardous network voltages are present in WAN ports regardless of whether power to the router is OFF or ON. To avoid electric shock, use caution when working near WAN ports. When detaching cables, detach the end away from the router first.


Preventing Electrostatic Discharge Damage

Before installing a boot ROM, read the electrostatic discharge (ESD) instructions in this section to prevent damage to the equipment. ESD is a discharge of stored static electricity that can damage equipment and impair electrical circuitry. It occurs when electronic components are improperly handled and can result in complete or intermittent failures.

Following are guidelines for preventing ESD damage:

Before opening the chassis, turn the router power switch to OFF ( O ).

Disconnect the power cable to turn off power to the router.

Always use an ESD-preventive wrist or ankle strap and ensure that it makes good skin contact.

Avoid contact between equipment and clothing. The wrist or ankle strap only protects the equipment from ESD voltages on the body; ESD voltages on clothing can still cause damage.

Handle printed circuit cards by the edges only; avoid touching the components, traces, or any connector pins.

Place a removed card component side up on an antistatic surface or in a static shielding bag.

Do not remove the wrist or ankle strap until the installation is complete.


Caution   
To avoid damaging the equipment, periodically check the resistance value of the antistatic strap. The measurement should be between 1 and 10 megohms (Mohms).

Removing the Router Cover

Take the following steps to remove the router cover:


Step 1 Turn OFF the power by pressing the power switch on the rear panel to the off ( O ) position.

Step 2 Disconnect all cables from the rear panel.

Step 3 Place the router upside down a flat, secure surface, such as a desk or table.

Step 4 Using the Phillips screwdriver, remove the screw at the center of the underside of the router, as shown in Figure 1. Put the screw in a safe place.

Figure 1 Removing the Screw from the Bottom of the Router

Step 5 Using both hands to hold the top and bottom of the router together, turn the router over so that it is right-side up on the flat surface and the rear panel is facing toward you.

Step 6 Using the Phillips screwdriver, remove the two screws from the rear panel of the router, as shown in Figure 2. Put the screws in a safe place.

Figure 2 Removing the Screws from the Rear Panel

Step 7 Turn the router so that the rear panel is facing away from you, then use one hand to hold the bottom half of the router in place on the flat surface, as shown in Figure 3.

Step 8 Place the other hand on top of the router. With your fingers, grasp the lip of the cover that hangs over the rear panel of the router and gently pull the cover up and away from the bottom section of the router. (See Figure 3.)

Figure 3 Removing the Router Cover

Step 9 Set the router cover in a safe place and follow the instructions in the next section, "Replacing the Boot ROMs."

Replacing the Boot ROMs

Follow the steps in this section to replace the boot ROMs.


Step 1 Refer to Figure 4 to locate the six boot ROM sockets on the router card. The sockets are labeled FW1 through FW6. The boot ROM chips will be installed in these sockets.

Figure 4 Boot ROM Location—Cisco 1600 Series Routers

Step 2 Using the PLCC extraction tool, gently remove the boot ROMs that are already installed in the sockets, as shown in Figure 5, and set them on a nonconductive surface.

Figure 5 Removing the Boot ROMs

Step 3 Insert the new boot ROMs in the sockets so that the flat corner on the beveled edge of the ROM chip fits into the flat corner of the ROM socket. (See Figure 6.)


Caution   
Make sure to install the boot ROMs with the printed label up. Installing the boot ROMs with the printed label down damages the boot ROMs.

Figure 6 Correct Boot ROM Position

You have completed the boot ROM upgrade and can now replace the router cover according to the instructions in the following section, "Replacing the Router Cover."

Replacing the Router Cover

Take the following steps to replace the router cover:


Step 1 Align the top and bottom sections of the router, making sure that the two hooks on the front of the cover fit into the corresponding vents in the bottom section.

Step 2 Close the cover by slowly pressing the top and bottom sections together so that the rear panel is behind the two tabs that the screws fit into. (See .)

Figure 7 Replacing the Cover

Step 3 Turn the router so that the rear panel is facing you, and replace the two screws that you removed from the rear panel earlier.

Step 4 Using both hands to hold the router top and bottom together, turn the router upside down so that the top of the router is resting on the flat surface. Replace the screw that you removed earlier from the underside of the router.

Step 5 Place the router right-side up on the flat surface and reconnect all cables to the router.

Step 6 Turn ON the power by pressing the power switch to the on ( | ) position.

Cisco Connection Online

Cisco Connection Online (CCO) is Cisco Systems' primary, real-time support channel. Maintenance customers and partners can self-register on CCO to obtain additional information and services.

Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and value-added services to Cisco's customers and business partners. CCO services include product information, product documentation, software updates, release notes, technical tips, the Bug Navigator, configuration notes, brochures, descriptions of service offerings, and download access to public and authorized files.

CCO serves a wide variety of users through two interfaces that are updated and enhanced simultaneously: a character-based version and a multimedia version that resides on the World Wide Web (WWW). The character-based CCO supports Zmodem, Kermit, Xmodem, FTP, and Internet e-mail, and it is excellent for quick access to information over lower bandwidths. The WWW version of CCO provides richly formatted documents with photographs, figures, graphics, and video, as well as hyperlinks to related information.

You can access CCO in the following ways:

WWW:  http://www.cisco.com

WWW:  http://www-europe.cisco.com

WWW:  http://www-china.cisco.com

Telnet:  cco.cisco.com

Modem:  From North America, 408 526-8070; from Europe, 33 1 64 46 40 82. Use the following terminal settings: VT100 emulation; databits: 8; parity: none; stop bits: 1; and connection rates up to 28.8 kbps.

For a copy of CCO's Frequently Asked Questions (FAQ), contact cco-help@cisco.com. For additional information, contact cco-team@cisco.com.

If you are a network administrator and need personal technical assistance with a Cisco product that is under warranty or covered by a maintenance contract, contact Cisco's Technical Assistance Center (TAC) at 800 553-2447, 408 526-7209, or tac@cisco.com. To obtain general information about Cisco Systems, Cisco products, or upgrades, contact 800 553-6387, 408 526-7208, or cs-rep@cisco.com.

78-4524-01