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Hardware options installation 12
Hardware options installation
Introduction
If more than one option is being installed, read the installation instructions for all the hardware options
and identify similar steps to streamline the installation process.
WARNING: To reduce the risk of personal injury from hot surfaces, allow the drives and the
internal system components to cool before touching them.
CAUTION: To prevent damage to electrical components, properly ground the server before
beginning any installation procedure. Improper grounding can cause electrostatic discharge.
Processor option
This section provides the following procedures:
• Installing a processor in HP ProLiant ML150 Generation 3 and Generation 5 Servers (on page 12)
• Installing a processor in HP ProLiant ML110 (G2, G3, and G4) and ProLiant ML150 Generation 2
Servers (on page 15)
• Installing a processor in HP ProLiant ML110 Generation 5 Servers (on page 17)
• Installing a processor in HP ProLiant ML115 and ML115 Generation 5 Servers (on page 18)
For more information on installing a processor in a specific server, see the documentation that ships with
the processor option kit.
Installing a processor in HP ProLiant ML150 Generation 3 and
Generation 5 Servers
HP ProLiant ML150 Generation 3 and Generation 5 Servers support single- and dual-processor operation.
With two processors installed, the server supports boot functions through the processor installed in
processor socket 1. However, if processor 1 fails, the system automatically boots from processor 2 and
provides a processor failure message.
The server uses embedded PPMs as DC-to-DC converters to provide the proper power to each processor.
CAUTION: To prevent possible server malfunction, do not mix processors of different speeds or
cache sizes. Refer to the label on the processor heatsink for a description of the processor.
IMPORTANT: Processor socket 1 must be populated at all times or the server does not function.
To install a processor: