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Cisco AS5350 Universal Gateway Chassis Installation Guide
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Appendix
Replacing Flash Memory SIMMs
The third Flash memory s o cke t ho ld s a SIMM for the boot help er im age (rxboot) software. Th e
SIMM can be 8 or 16 MB.
For boot memory, the total capacity is 16 MB (one, 16 MB SIMM).
The Flash memory SIMMs must be purchased from Cisco. For ordering information, refer to the
Obtaining Technical Assistance section on pag e xiv.
Required Tools and Equipment
You need the following tools and equipment:
ESD-preventive wrist st rap
The appropriate Flash memory SIMM(s) for your universal gateway
Flash Memory SIMM Replacement
To replace the 5V Flash me mor y S IM Ms , f ol low th is pro cedure:
Step 1 Turn the power swi tc h on the universal g ateway off and dis c o nn e c t s i te power.
Step 2 Remove all interface ca bl es f r om the rear panel of the universal gateway.
Step 3 Attach an ESD-preventive wr ist s tr ap .
Step 4 Remove the chassi s cover. (See the previous procedure in the Removing the Chassis Cover section on
page A1.)
Step 5 Place the chassis so th at th e system board is orie nted as s hown in F ig u re A-3, with the Flash m emo r y
SIMMs toward you.
Step 6 Remove the existing Flash memory SIMM by pulling outward on the socket latches and then lifting the
SIMM out of the socket (see Figure A-7).
Caution To prevent damage, do not press on the center of the SIMMs. Handle each SIMM carefully.
Step 7 Repeat these steps fo r all th e F lash m emory SIMMs that y ou n e e d to r ep lac e.