Cisco 5580-40 - ASA Firewall Edition Hardware Installation Manual page 71

Chapter 4 Maintenance and Upgrade Procedures
Close the heatsink retaining bracket, see
Step 11
Figure 4-20
Step 12 Install the processor power module. The processor power module is keyed and the key must be aligned
when installed, see
Note
OL-12920-01
Closing the Heatsink Retaining Bracket
Figure 4-21.
Always install a processor power module when you install a processor. The system fails to boot
if the corresponding processor power module is missing.
Cisco ASA 5580 Series Adaptive Security Appliance Hardware Installation Guide
Upgrading the ASA 5580-20 to an ASA 5580-40
Figure 4-20.
4-21