1
Processor Option Installation Instructions
for HP ProLiant DL785 Servers
Overview
This document provides the procedure for installing a processor and heatsink.
Kit contents
Processor memory cell assembly (four)
Processor with installation tool (four)
Heatsink (four)
DIMM filler (12)
This document
SW1 instructions for quad-core 3.1 GHz or greater and six-
core processors
CAUTION:
All supported AMD Opteron quad-core processors 3.1 GHz or greater and all
supported AMD Opteron six-core processors require the system maintenance switch,
located on the I/O backplane, (SW1) position 5 to be in the
On
position.
CAUTION:
HP recommends updating to the latest version of firmware. Earlier firmware
versions might not validate the required switch setting for these processors.
NOTE:
Six-core AMD Opteron Processors might show a 1 MB reduction in available L3
cache when performance enhancing HT Assist is enabled because HT Assist requires 1MB
of L3 cache per CPU to operate.
Installing a processor
The server supports a four- or eight-processor configuration.
CAUTION:
The cell filler is
required
in cells 3 - 6 in a four-processor configuration.
CAUTION:
To prevent damage to electrical components, properly ground the server before
beginning any installation procedure. Improper grounding can cause electrostatic
discharge.
CAUTION:
To avoid damage to the processor and system board, only authorized
personnel should attempt to replace or install the processor in this server.
CAUTION:
To prevent possible server malfunction and damage to the equipment,
multiprocessor configurations must contain processors with the same part number.
