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Reset button:
Press this button to reset the server and run the power-on self-test
(POST). You might have to use a pen or the end of a straightened
paper clip to press the button.
System-error LED:
When this LED is lit, it indicates that a system error has occurred.
An LED on the diagnostic LED panel on the side of the operator
information panel is also lit to help isolate the error (see "Light path
diagnostics" on page 18).
USB connector:
You can connect a USB device to this connector.
Release latch:
Press this latch to release the operator information panel to access
the light path diagnostics LED panel.
Information LED:
When this LED is lit, it indicates that a noncritical event has
occurred (see "Light path diagnostics" on page 18).
Locator LED:
Use this blue LED to visually locate the server if it is in a location
with numerous other servers. A locator LED is also on the rear of
the server. You can use the Management Processor Assistant
(MPA) in IBM Director to cause this LED to be lit, off, or flashing
(see the User's Guide on the IBM xSeries Documentation CD for
more information). If the server is connected to an RXE-100
Remote Expansion Enclosure, pressing the Locate button on the
enclosure causes this LED to be lit.
Note: This LED flashes while the server is being turned on or
restarted, and turns off when POST is complete.
SCSI activity LED:
When this LED is lit, it indicates that there is activity on the SCSI
bus.
CD-ROM drive activity LED: When this LED is lit, it indicates that the CD-ROM
drive is in use.
Diskette drive activity LED: When this LED is lit, it indicates that the diskette drive
is in use.
Hard disk drive activity LED: When this LED is flashing, it indicates that the
associated hard disk drive is in use.
Hard disk drive status LED: When this LED is lit continuously, it indicates that the
associated hard disk drive has failed. The interpretation of a flashing status LED
depends on the SCSI controller that is connected to the hot-swap drive, as follows:
v When the drive is connected to the integrated SCSI controller with RAID
capabilities, a flashing status LED indicates that the drive is a secondary drive in
a mirrored pair and the drive is being synchronized.
v When the drive is connected to an optional ServeRAID
flashing (one flash per second) status LED indicates that the drive is being
rebuilt. When the LED is flashing rapidly (three flashes per second), it indicates
that the controller is identifying the drive.
Hard disk drive filler panels: A filler panel and air baffle is used to cover empty
hard disk drive bays. A filler panel and air baffle must be installed in each empty
bay to ensure proper system cooling. Your server comes with five filler panels and
air baffles installed, and one completely empty bay.
Operator information panel
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controller, a slowly
Chapter 1. Introduction
5
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