Upgrading Cisco 4500, Cisco 4500-M, Cisco 4700, and Cisco 4700-M Memory 17
Memory Replacement Procedures
Step 4 Remove and safely store all the network processor modules present, as described in
“Removing Network Processor Modules” on page 8, for later reinstallation.
Step 5 Locate the shared memory SIMM card socket on the left of the motherboard, as shown in
Figure 8.
Step 6 Turn the chassis so you are facing the rear of the chassis.
Step 7 The SIMMs are held in place at each end by small metal spring clasps. To remove a shared
memory SIMM, push the two metal clasps apart. Angle the SIMM upward and pull it out.
Caution Do not exert pressure on the components on the SIMM surface because you might damage
them. The sides of the SIMM must clear the metal clasps before the SIMM can be safely removed.
Step 8 Place the removed SIMM in an antistatic bag to protect it from ESD damage.
Step 9 Repeat Step 7 and Step 8 for each SIMM.
Step 10 Proceed to the next section, “Inserting Shared Memory SIMMs.”
Inserting Shared Memory SIMMs
Take the following steps to insert shared memory SIMMs:
Step 1 Unplug the chassis power cord and network connections.
Step 2 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.
Step 3 Remove the chassis cover as described in the section “Accessing the Internal Components
of the Router” on page 5.
Step 4 On the left of the motherboard (as aligned in Figure 8), find the shared memory SIMM card
socket locations. All the sockets should be empty. If they are not, remove the shared
memory SIMMs following the procedures in the previous section, “Removing and
Replacing Shared Memory SIMMs.”
Step 5 Turn the chassis so that the side with the shared memory SIMM cards is closest to you.
Caution Handle SIMMs by the card edges only. SIMMs are sensitive components and can be
shorted by mishandling.
Step 6 Hold the SIMM with the connector edge at the bottom, component side facing you, and the
polarization notch on the left. (See Figure 13.)
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