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Upgrading System Memory in Cisco 3725 Routers

Figure 1

Step 8

When you are ready to replace the cover, see the

Replacing Cisco 3725 SDRAM

SDRAM DIMM Location and Orientation

Figure 2

router.

DIMMs are manufactured with polarization notches to ensure proper orientation, and alignment holes to

ensure proper positioning.

SDRAM DIMMs are installed with the connector edge down and the polarization notches toward the left

side of the chassis.

Caution

To avoid damaging ESD-sensitive components, observe all ESD precautions. To avoid damaging the

underlying mainboard, do not use excessive force when you remove or replace DIMMs.

Upgrading System Memory in Cisco 3700 Series Routers

Removing the Cover from a Cisco 3725 Router

shows the location of dynamic memory—SDRAM DIMM sockets 0 and 1—in a Cisco 3725

Figure 3

"Replacing the Cisco 3725 Cover" section on page

shows the polarization notches and alignment holes on a DIMM.

OL-5423-02

16.