Cisco 2525 Guide de l'utilisateur Page 118

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A-6 Cisco 2524 and Cisco 2525 Router User Guide
Upgrading the Boot Flash Memory
Step 8 When the top cover is off, set it aside. Figure A-3 shows the layout of the system
card, which is attached to the bottom section of the chassis.
Figure A-3 System Card Layout—Cisco 2524
Upgrading the Boot Flash Memory
Take the following steps to upgrade the boot Flash memory:
Step 1 Turn OFF power, but to channel ESD voltages to ground, do not unplug the power
cord.
Step 2 Attach an ESD-preventive wrist strap.
Step 3 Open the cover following the instructions in the section “Opening the Chassis”
earlier in this appendix.
H5648
Serial 0Serial 1
BRI 0
CODE0CODE1
Flash card
socket
Shared memory
(fixed DRAM)
Primary memory
(DRAM SIMM; the
DRAM SIMM has
been omitted for
clarification)
System-code SIMMs
(Flash memory)
Polarization
notch
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