Apple Xserve G5 User Manual download pdf (Page 11)

Chapter 1

Xserve G5 Overview

On/standby button and light

Press to turn on the server.

Enclosure lock and lock status light

The lock secures the enclosure and drive modules in the server. It can be locked and

unlocked with the enclosure key supplied with the server. An option in the Security pane

of System Preferences lets you inactivate a connected keyboard and mouse when the

enclosure lock is engaged. This option is turned off by default. See “Controlling Access to

a Connected Keyboard and Mouse” on page 59 for details.

When the enclosure lock is locked (the light is on), the server may not recognize

peripheral devices such as a keyboard, mouse, or storage device. Unlock the lock to use

those devices.

System identifier button and light

The system identifier light turns on if a problem is detected. It also can be turned on

manually by pressing the button. This indicator is useful for locating a particular unit in a

rack with multiple servers. A duplicate system identifier button and light are on the back

panel.

FireWire 400 port

Provides a FireWire 400 connection on the front of the server. There are also two FireWire

800 ports on the back panel. The enclosure lock must be unlocked for the server to

recognize some devices connected to this port. (See “FireWire Specifications” on page 86

for information about FireWire ports and connectors.)

Ethernet link lights

Two lights indicate whether the server is connected to an Ethernet network. Each light

represents one of the two built-in Ethernet ports.

System activity lights

Two rows of eight lights indicate system activity. In a server with a single processor, the

rows of system activity lights operate in sync; in a dual-processor server, the rows of

lights operate independently to show each processor’s activity. These lights also show

the options in front panel mode; see “Entering Firmware Boot Commands From the

System’s Front Panel” on page 63 for details.

Optical drive

You can use the slot-load optical drive to add or reinstall software on the server.

Drive modules and lights

You can install up to three Serial ATA (SATA) drive modules in the server. These modules

can be removed and installed while the server is running. (See “Installing or Replacing an

Apple Drive Module” on page 70 for more information.) Each drive module has lights

showing operating status and disk activity.

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Apple Xserve G5 User Manual Page 11