Cisco 815 Hardware Installation Manual page 71

Appendix C Installing and Upgrading Memory and Virtual Private Network Modules
Figure C-1 Removing the Chassis Screws
#1 Phillips screwdriver
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Holding the router assembly together, turn the router back to its original position.
Gently remove the top of the router (which is facing up toward you) up and away
from the bottom of the router (which is resting on the flat surface).
At this point, you might have to disconnect the fan, which is inside the top of the
router chassis, from the motherboard, by disconnecting the fan cable from the
connector (labeled FAN) on the motherboard.
Place the router bottom on an antistatic mat, and begin installing memory.
Cisco 815 Integrated Services Router Hardware Installation Guide
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Opening the Chassis
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