System Overview 1-9

Liquid Crystal Display Messages

For a detailed description of the Liquid Crystal Display (LCD) messages, see Chapter 5

"Problem Solving".

Status LED Indicator Descriptions

Table 1-1 lists the system status LED indicators along with a description of each LED

indicator. Table 1-2 lists the disk drive status LED panel indicators along with a

description of each LED indicator. Table 1-3 lists the power supply status LED panel

indicators along with a description of each LED indicator. Table 1-4 lists system status

abnormal conditions.

The access LED indicators for the CD-ROM drive and the diskette drive light when

access is being made to the media in the drive.

Table 1-1. System Status LED Indicators

LED Status Description Response
Power Off Power OFF None required (normal)
Green Power ON None required (normal)
Status Off
(Turns off after
lighting in
amber)
Power OFF
Abnormal condition
(see Table 1-4)
None required (normal)
Check condition
Green
(Steady light)
(Flashing light)
No alarms
Abnormal condition
(see Table 1-4)
None required (normal)
Check condition
Amber Abnormal condition
(see Table 1-4)
Check condition
Disk Off Not accessing disk
drives
None required (normal)
Amber Internal disk drive
failure
Check disk drive status LEDs
Green Accessing disk
drives
None required (normal)
Sleep* OFF Sleep mode is off None required (normal)
Amber
(Lights
immediately
after power-on
until POST
begins.)
Power-saving mode None required (normal)
* Requires a corresponding operating system.