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Upgrading System Memory in Cisco 3745 Routers

Replacing the Cisco 3745 Mainboard

To replace the mainboard, follow these steps:

Place the chassis so that the empty mainboard slot faces you.

Step 1

With the ejector levers fully open, carefully insert the mainboard tray into the chassis slot until the

Step 2

connector is engaged. (See

Figure 12

Close the ejector levers to fully seat the mainboard connector.

Step 3

With a number 2 Phillips screwdriver, tighten the two captive retention screws, one on either side of the

Step 4

mainboard.

Hold the front panel straight out from the chassis, engage the hinges, and close the front panel. (See

Step 5

Figure 13

Upgrading System Memory in Cisco 3700 Series Routers

Figure

12.)

Inserting the Mainboard into a Cisco 3745 Router

Captive

retention

screw

parts 1 and 2.)

Captive

retention

screw

Ejector levers

OL-5423-02