Compaq ProLiant 6400R Compaq ProLiant 6400R Servers - Page 20

Preparation Procedures

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Removal and Replacement Procedures 2-3 Preparation Procedures Hot-Pluggable Components Before the removal of any serviceable part, determine whether it is hot-pluggable or non-hot-pluggable. If it is hot-pluggable, do not perform a power shutdown of the server. The access panels can be removed while the server is turned on without system shutdown. When the server is in Standby mode, portions of the power supply, auxiliary power (+5V), and some internal circuitry remain active. Non-Hot-Pluggable Components If the part is non-hot-pluggable, shut down the server. Non-hot-pluggable parts include the processor, Processor Power Module, system board, memory board, Dual Inline Memory Modules (DIMMs), peripheral board, and modem. Refer to "Powering Down the Server" later in this chapter for complete power-down instructions. WARNING: To reduce the risk of injury from electric shock, remove all power cords to completely disconnect power from the system. Powering Down the Server System power in the ProLiant 6400R Server does not completely shut off with the front panel Power On/Standby switch. The two positions of the switch function 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. IMPORTANT: To completely 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 completely remove power from the system. IMPORTANT: It is not necessary to turn off the server to replace hot-plug devices such as power supplies, fans, or PCI Hot Plug boards. Before beginning any of the removal and replacement procedures for non-hot-plug devices, 1. Move the Power On/Standby switch to the Standby position. 2. Disconnect the AC power cord from the AC outlet and then from the server. 3. Disconnect all external peripheral devices from the server. For some removal and replacement procedures, you must remove the server from the rack and place it on a sturdy table or workbench. Refer to the ProLiant 6400R Setup and Installation Guide for instructions.

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Removal and Replacement Procedures
2-3
Preparation Procedures
Hot-Pluggable Components
Before the removal of any serviceable part, determine whether it is hot-pluggable or
non-hot-pluggable. If it is hot-pluggable, do not perform a power shutdown of the server. The
access panels can be removed while the server is turned on without system shutdown. When the
server is in Standby mode, portions of the power supply, auxiliary power (+5V), and some
internal circuitry remain active.
Non-Hot-Pluggable Components
If the part is non-hot-pluggable, shut down the server. Non-hot-pluggable parts include the
processor, Processor Power Module, system board, memory board, Dual Inline Memory
Modules (DIMMs), peripheral board, and modem. Refer to “Powering Down the Server” later
in this chapter for complete power-down instructions.
WARNING:
To reduce the risk of injury from electric shock, remove all power
cords to completely disconnect power from the system.
Powering Down the Server
System power in the ProLiant 6400R Server does not completely shut off with the front panel
Power On/Standby switch. The two positions of the switch function 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.
IMPORTANT:
To completely 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
completely remove power from the system.
IMPORTANT:
It is not necessary to turn off the server to replace hot-plug devices such as power
supplies, fans, or PCI Hot Plug boards.
Before beginning any of the removal and replacement procedures for non-hot-plug devices,
1.
Move the Power On/Standby switch to the Standby position.
2.
Disconnect the AC power cord from the AC outlet and then from the server.
3.
Disconnect all external peripheral devices from the server.
For some removal and replacement procedures, you must remove the server from the rack and
place it on a sturdy table or workbench. Refer to the
ProLiant 6400R Setup and Installation
Guide
for instructions.