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Cisco AS5350 Universal Gateway Chassis Installation Guide
78-10754-03 0A
APPENDIX
A

Replacing Memory Components

This appendix contains procedures on how to replace memory chips in the CiscoAS5350
field-replaceable units. The appendix contains the following sections:
Removing the Chassis Cover, page A-1
Replacing the Boot ROM, page A-4
Replacing SDRAM DIM Ms, page A-7
Replacing Flash Memo ry SIMMs, page A-9
Replacing the Chass is C over, p age A-12

Removing the Chassis Cover

This section describes how to open the chassis by removing the chassis cover.
Required Tools
You need the following tools:
Medium Phillips screwdr iver
Small or medium fla t -b lade screwdriver
Safety Recommendations
Note the following saf ety r e c om mendations:
Warning
Before opening the chassis, disconnect the telephone-network cables to avoid contact with
telephone-network voltages. To see translations of the warnings that appear in this publication, refer
to the Regulatory Compliance and Safety Information document that accompanied this device.
Warning
Do not work on the system or connect or disconnect cabl es during periods of lightning activity. To see
translations of the warnings that appear in this publication, refer to the Regulatory Compliance and
Safety Information document that accompanied this device.