Cisco 2600 Series Hardware Installation Manual page 76

Upgrading DRAM
Figure B-5
DRAM DIMM Installation
To install the DRAM DIMMs:
Power OFF the router.
Step 1
Attach an ESD-preventive wrist strap and ensure that it makes good contact with your skin. Connect the
Step 2
equipment end of the wrist strap to the metal back plate of the chassis.
Open the cover following the instructions in the
Step 3
Begin removing the existing DRAM DIMM by pulling outward on the connectors to unlatch them, as
Step 4
shown in step 1 of part A in
Remove the existing DRAM DIMM by pulling the module straight up, as shown in step 2 of part A
Step 5
inFigure
Caution To prevent damage, do not press on the center of the DIMMs. Handle each DIMM carefully.
Step 6 Position the new DIMM so that the polarization notch is located at the left end of the DIMM socket as
shown in
Cisco 2600 Series Routers Hardware Installation Guide
B-8
DIMM Socket Location
Primary memory
(DRAM DIMMs)
Advanced Interface
Module
PCI connector
Figure
B-6.
Figure B-6.
Pin 1
Boot
System-code SIMM
ROM
(Flash memory)
Lattice
U22
Ethernet
Ethernet
"Removing the Chassis Cover" section on page
B-6. Be careful not to break the holders on the DIMM connector.
Appendix B Maintaining the Router
Duart
reset Reset
U23
AUX
Console
B2.
OL-2171-02