System Overview 1-5
Table 1-3. Front Controls and Indicators
Item
Feature
Description
Front Panel
A
Power switch
When pressed, it turns on or off the server. The +5 V standby voltage
is ON whenever the server is plugged in.
B
Reset switch
When pressed, it resets the server and causes the power-on self test
(POST) to run.
C
NMI switch
When pressed, it causes a non-maskable interrupt. This switch is
recessed behind the front panel to prevent inadvertent activation. It
must be pressed with a narrow tool (not supplied).
D
Power LED (green)
When lit continuously, it indicates the presence of DC power in the
server. When not lit, it indicates power is turned off or power source is
disrupted.
E
Power fault LED (yellow)
When lit continuously, it indicates presence of DC power.
F
Cooling fault LED (yellow)
When flashing, it indicates a fan failure.
G
Drive fault LED (yellow)
When lit continuously, it indicates an asserted fault status on one or
more hard disk drives in the hot-swapping bay. When flashing, it
indicates drive reset in progress.
H
Front panel LCD
Displays information about processor type and failure codes.
Status LEDs for SCSI Drives in Hot-swapping Bays
I
Drive power LED (green)
When lit continuously, it indicates the presence of the drive and power
on the drive.
J
Drive activity LED (green)
Indicates drive activity.
K
Drive fault LED (yellow)
When lit continuously, it indicates an asserted fault status on one or
more hard disk drives in the hot-swapping bay. When flashing, it
indicates drive reset in progress.
Typical CD-ROM Drive
L
Open/close button
When pressed, it opens or closes the CD-ROM tray.
M
Activity LED
When lit, it indicates the drive is in use.
N
Volume control
It adjusts the volume of headphones or speakers.
O
Headphone jack
It provides a connection for headphones or speakers.
3.5-inch Diskette (Floppy) Drive
P
Activity LED
When lit, it indicates the drive is in use.
Q
Ejector button
When pressed, it ejects the diskette.
Summary of Contents for Express5800/180Rb-7
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Page 10: ...viii Contents ...
Page 58: ...2 24 Setting Up the System ...
Page 146: ...4 40 Upgrading Your System ...
Page 166: ...5 20 Problem Solving ...
Page 186: ...10 Glossary ...
Page 190: ...4 Equipment Log ...
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