Compaq ProLiant 1850R Compaq ProLiant 1850R Setup and Installation Guide - Page 77

Accessing Non Hot-Plug Areas, Accessing Processors, Memory Sockets, and System Board,

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3-2 Installing Hardware Options Accessing Non Hot-Plug Areas To install options, upgrades, or replacements in these areas, you must first shut down the server power. Accessing Processors, Memory Sockets, and System Board WARNING: To reduce the risk of personal injury from hot surfaces, allow the internal system components to cool before touching. CAUTION: Electrostatic discharge can damage electronic components. Be sure you are properly grounded before beginning any installation procedure. 1. Back up your server data. 2. Shut down the operating system in an orderly manner, as directed in your operating system instructions. 3. Power down the server and remove the power cord (s). IMPORTANT: The system power in the ProLiant 1850R server does not completely shut off with the front panel Power On/Standby switch. The two positions of the switch functions as ON and STANDBY, rather than ON and OFF. The STANDBY position removes power from most of the electronics and the drives but portions of the power supply and some internal circuitry remain active. Consequently, to remove all power from the system, you must disconnect the power cord from the server. In systems with multiple power supplies, you must disconnect all the power cords to remove power from the system. CAUTION: Before removing the server cover be sure that the server is turned to standby and that the power cord is disconnected from the electrical outlet. 4. Loosen the two thumbscrews on the front bezel of the unit which secure the unit to the rack Œ.

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3-2
Installing Hardware Options
Accessing Non Hot-Plug Areas
To install options, upgrades, or replacements
in these areas, you must first shut
down the server power.
Accessing Processors, Memory Sockets, and
System Board
WARNING:
To reduce the risk of personal injury from hot
surfaces, allow the internal system components to cool before
touching.
CAUTION:
Electrostatic discharge can damage electronic
components. Be sure you are properly grounded before beginning
any installation procedure.
1.
Back up your server data.
2.
Shut down the operating system in an orderly manner, as directed in your
operating system instructions.
3.
Power down the server and remove the power cord (s).
IMPORTANT:
The system power in the ProLiant 1850R server does not
completely shut off with the front panel Power On/Standby switch.
The two
positions of the switch functions as ON and STANDBY, rather than ON and
OFF.
The STANDBY position removes power from most of the electronics and
the drives but portions of the power supply and some internal circuitry remain
active.
Consequently, to remove all power from the system, you must
disconnect the power cord from the server.
In systems with multiple power
supplies, you must disconnect
all
the power cords to remove power from the
system.
CAUTION:
Before removing the server cover be sure that the
server is turned to standby and that the power cord is
disconnected from the electrical outlet.
4.
Loosen the two thumbscrews on the front bezel of the unit which secure
the unit to the rack
±
.