Installing Sdram Dimms - Cisco 3600 Series Upgrade Instructions

Installing SDRAM DIMMs

To install SDRAM DIMMs, follow these steps:
Step 1 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 2 On the mainboard, locate the SDRAM DIMM sockets. (See
Handle the DIMM by the nonconnector edges only; do not press on the center. Handle carefully. DIMMs
Caution
are ESD-sensitive components and can be damaged by mishandling.
Insert the DIMM, ensuring that the polarization notches align correctly with the socket. Gently push into
Step 3
place until the socket guideposts fit through the alignment holes and the latches on both sides snap into
place. (See
It is normal to feel some resistance when installing a DIMM, but do not use excessive force and do not
Caution
touch the surface components.
Ensure that each DIMM is straight (perpendicular to the socket).
Step 4
If necessary, repeat
Step 5
Proceed to either of the following as appropriate:
Step 6
•
•
Replacing CompactFlash Memory Cards
To replace CompactFlash memory cards, follow these steps:
Refer to Installing and Formatting Cisco 2691, Cisco 3631, and Cisco 3700 Series CompactFlash
Step 1
Memory Cards, available online at the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3700/hw_inst/hw_notes/
index.htm
Proceed to the
Step 2
OL-5423-02
Figure 4.)
Step 3 and
"Replacing CompactFlash Memory Cards" section on page 15
"Replacing the Cisco 3725 Cover" section on page 16
"Replacing the Cisco 3725 Cover" section on page
Step 4 to install a second DIMM.
Upgrading System Memory in Cisco 3700 Series Routers
Upgrading System Memory in Cisco 3725 Routers
Figure 2.)
16.
15