HP PROLIANT DL380 User Manual page 66

66 HP ProLiant DL380 Generation 3 Server User Guide
The server uses PPMs as DC-to-DC converters to provide the proper power to
each processor. Each PPM must be installed in the slot adjacent to its processor.
To install a processor:
1. Power down the server ("Powering Down the Server" on page 37).
2. Extend the server from the rack, if applicable ("Extending the Server from
3. Remove the access panel ("Removing the Access Panel" on page 40).
4. Open the processor retaining bracket.
CAUTION: To prevent thermal instability and damage to the
server, do not separate the processor from the heatsink. The processor,
heatsink, and retaining clip make up a single assembly.
CAUTION: To prevent possible server malfunction and
damage to the equipment, do not mix processors of different types.
IMPORTANT: If upgrading processor speed, update the system ROM
before installing the processor.
IMPORTANT: Processor socket 1 and PPM slot 1 must be populated
at all times or the server will not function properly.
IMPORTANT: Always install a PPM when you install a processor. The
system fails to boot if the PPM is missing.
the Rack" on page 38).