A-11
Cisco AS5400 Universal Gateway Chassis Installation Guide
OL-2847-02 0A
Appendix A Replacing Memory Components
Replacing Flash Memory SIMMs
Cisco AS5400
To identify the correct Flash memory SIMMs for the Cisco AS5400, look for a model number on the
flash chip that ends in “J5”. The “J5” identifies the chip as 5V. (See
Figure A-8
).
Figure A-8
Flash SIMM Module for the Cisco AS5400
Required Tools and Equipment
To replace the Flash memory, you need the following tools and equipment:
•
ESD-preventive wrist strap
•
The appropriate Flash memory SIMM(s)
Flash Memory SIMM Replacement
To replace flash memory, follow these steps:
Step 1
Backup the current Flash memory. Refer to the
Cisco AS5350 and Cisco AS5400 Universal Gateway
Software Configuration Guide
for information about replacing software images.
Step 2
Turn the power switch OFF and disconnect site power.
Step 3
Remove all interface cables from the DFC cards.
For DC-powered units only, note the following warning.
Table A-1
3.3V SIMM Module Part Numbers
Memory Size
Cisco AS5400HPX Part No.
8 MB
80-6520-xx
16 MB
80-6521-xx
62460
5V designation
DT28F320J5
120
U022020233N
DT28F320J5
120
U022020233N
DT28F320J5
120
U022020233N
DT28F320J5
120
U022020233N
