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Document ID: MCGN-45WHQ7

Netfinity 5500 M20 - Controls and indicators

Applicable to: World-Wide

Source: Hardware Maintenance Manual

Controls and indicators
The most commonly used controls and indicators on the front of the server appear in the following illustration.

1 Door Lock (On Side Cover, Tower Models Only): You can lock the door on the server to deter tampering with the internal components. This same lock also locks the top cover in place.

2 Hard Disk Status Light: Each of the hot-swap drive bays has a Hard Disk Status light. When this amber light is on continuously, the drive has failed. When the light flashes slowly (one flash per second), the drive is being rebuilt. When the light flashes rapidly (three flashes per second), the controller is identifying the drive.

3 Hard Disk Activity Light: Each of the hot-swap drive bays has a Hard Disk Activity light. When this green light is flashing, the drive is being accessed.

4 CD-ROM Eject/Load Button: Press this button to eject or retract the CD-ROM tray so that you can insert or remove a CD.

5 CD-ROM Drive In-Use Light: When this light is on, the CD-ROM drive is being accessed.

6 Diskette-Eject Button: Press this button to eject a diskette from the drive.

7 Diskette Drive In-Use Light: When this light is on, the diskette drive is being accessed.

8 Reset Button: Press this button to reset the server and run the power-on self-test (POST).

9 Power Control Button: Press this button to manually turn the server on or off.

The server can be activated in several ways:

• You can turn on the server by pressing the Power Control button on the front of the server.

Note If you have just plugged the power cord of the server into an electrical outlet, you will have to wait approximately 20 seconds before pressing the Power Control button.

• If the server is activated and a power failure occurs, the server will start automatically when power is restored.
• The server can also be powered on by the Netfinity Advanced System Management Processor.
  

• You can turn off the server by pressing the Power Control button on the front of the server. Pressing the Power Control button starts an orderly shutdown of the operating system, if this feature is supported by the operating system, and places the server in standby mode.

• Note After turning off the server, wait at least 5 seconds before pressing the Power Control button to power the server on again.

  
  
  • You can press and hold the Power Control button for more than 4 seconds to cause an immediate shutdown of the server and place the server in standby mode. This feature can be used if the operating system hangs.
  • You can disconnect the server power cords from the electrical outlets to shut off all power to the server.
  
  

  Note Wait about 15 seconds after disconnecting the power cord for the system to stop running. Watch for the System Power light on the information LED panel to stop blinking.

  
  

  10 Information LED Panel: The lights on this panel give status information for the server. See "Information LED panel" for more information.
  

  	Search Keywords
  	Document Category	Diagrams
  	Date Created	12-03-99
  	Last Updated	21-05-99
  	Revision Date	16-03-2000
  	Brand	IBM PC Server
  	Product Family	Netfinity 5500 M20
  	Machine Type	8662
  	Model	ALL
  	TypeModel
  	Retain Tip (if applicable)
  	Reverse Doclinks and Admin Purposes