16 Chassis Description
Table 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 nonmaskable 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.