Cisco 4000 Series Руководство по обновлению - Страница 19

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Removing the Cisco 4500 and Cisco 4500-M Boot Helper Flash Memory SIMMs

The boot helper image (Rxboot image) is stored in Flash memory on the Cisco 4500 and

Cisco 4500-M. Take the following steps to replace the 4-MB SIMM with an 8 or 16-MB SIMM.

(See Figure 14.)

Figure 14

Step 1

Step 2

Caution

damaged by mishandling.

Step 3

Proceed to the next section "Installing Boot Helper Flash Memory SIMMs."

Installing Boot Helper Flash Memory SIMMs

You upgrade boot helper Flash memory by replacing the existing SIMM (labeled "System Flash

Memory 0" in Figure 8 on page 12) or by adding a second SIMM to the empty socket (labeled

"System Flash Memory 1" in Figure 8 on page 12).

Take the following steps to add Flash memory SIMMs and refer to Figure 8 for the SIMM locations.

Step 1

Removing the Boot Helper Flash Memory SIMM

Pull the tabs away from

each other with your

thumbs, bracing your

forefingers against the

posts. Raise the SIMM

to a vertical position.

System-code SIMM card

Attach an ESD-preventive wrist strap and ensure that it makes good contact with your skin.

Connect the equipment end of the wrist strap to the metal back plate of the chassis, avoiding

contact with the connectors.

On the Cisco 4500 and Cisco 4500-M motherboard, locate the SIMM card socket for

RxBoot Flash memory. (See Figure 8.)

Handle SIMMs by the card edges only. SIMMs are ESD-sensitive components and can be

To lift the SIMM out of its socket, pull the locking spring clips on both sides outward and

tilt the SIMM free of the clips. (See Figure 14.)

On the Cisco 4500 and Cisco 4500-M motherboard, locate the Flash memory SIMM

sockets shown in the lower right corner of Figure 8 on page 12.

Upgrading Cisco 4500, Cisco 4500-M, Cisco 4700, and Cisco 4700-M Memory

Polarization notch

Memory Replacement Procedures