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program or purchase the CD, go to http://www.ibm.com/systems/x/
systems_management/ ibm_director/extensions/xpress.html.
Server controls, LEDs, and power
This section describes the controls and light-emitting diodes (LEDs) and how to turn
the server on and off.
Front view
The following illustration shows the controls, LEDs, and connectors on the front of
the server. This configuration supports up to four 2.5-inch hot-swappable hard disk
drives.
Rack release latch
The following illustration shows the controls, LEDs, and connectors on the front of
the server. This configuration supports up to two 3.5-inch hot-swappable hard disk
drives or two 3.5-inch simple-swap SATA hard disk drives.
Rack release latch
Note: The locations of the controls, LEDs, and connectors vary, depending on the
v Operator information panel: This panel contains controls and LEDs about the
10
IBM System x3550 Type 7978: User's Guide
Video connector
2.5-inch hard disk drives
Hard disk drive
activity LED
3.5-inch hard disk drives
hardware configuration that you have.
status of the server.
Power-on
LED (green)
Power-
Hard drive
control
activity
button
LED (green)
USB 3 connector
USB 4 connector
Hard disk drive
status LED
USB 3 connector
USB 4 connector
Video connector
Hard disk drive
activity LED (SAS model)
System
locator
System-error
LED (blue)
LED (amber)
System
information
LED (amber)
Operator information
panel
Rack release latch
CD-RW/DVD eject button
CD-RW/DVD drive activity LED
Operator information panel
Rack release latch
CD-RW/DVD eject button
CD-RW/DVD drive
activity LED
Hard disk drive
status LED (SAS model)
Release
latch
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