HP ProLiant ML370 Maintenance And Service Manual page 23

Removal and Replacement Procedures
6. Disconnect all external peripheral devices from the server.
7. Place the server on a sturdy, level surface.
Tower Server
To power down the tower server:
1. Back up the server data.
2. Shut down the operating system as directed in the operating system instructions.
3. Open the front bezel.
4. Press the Power On/Standby button.
Figure 2-4: Pressing the Power On/Standby button (tower server)
5. Be sure that the system power LED on the front panel, near the Power On/Standby
button, is amber and that the fan noise stops.
6. Disconnect all AC power cords from the AC outlets and then from the server.
7. Disconnect all external peripheral devices from the server.
8. Place the server on a sturdy, level surface.
2-8
WARNING: Setting the server Power On/Standby button to the off position removes
power from most areas of the server; this process may take 30 seconds. Portions of
the power supply and some internal circuitry remain active until the AC power cord is
disconnected.
If the server has multiple power supplies installed, it is necessary to remove all power
cords to remove all power from the system.
HP ProLiant ML370 Generation 3 Server Maintenance and Service Guide