Technical information

System-Status Indicators

The system-status indicators show the current status of your

computer by their on or off states or by their colors (green, yellow,

and orange). Each indicator is identified by a symbol.

The following figure and table show the location of each symbol and

the meaning of each indicator:

Symbol Color Meaning

1 Speaker Blinking green When enabled by the ThinkPad Features program, this indicator

blinks when the speaker sounds. It turns off when any key is

pressed. (To enable this indicator, see “Using the ThinkPad

Features Program” on page 35.)

2 Battery power status Green Shows the condition of the battery pack.

Green or yellow Enough power remains for operation.

Orange Some power remains for operation.

Blinking orange The battery pack needs charging.

Yellow

Orange

Blinking orange

3 Battery charging Green Indicates that the battery pack is being charged.

Blinking green Indicates that the battery pack is being discharged before being

charged.

4 PC card active Orange Turns on when power is supplied to the PCMCIA slot. Refer to the

PC Card manual to see if the PC Card can be removed without

turning the computer off.

5 Diskette drive in use Orange Turns on when data is read from or written to a diskette. Do not

enter suspend mode or eject the diskette when this indicator is on.

6 Hard disk in use Orange Turns on when data is read from or written to the hard disk. Do not

enter suspend mode or turn off the computer when this indicator is

on.

16 IBM ThinkPad 755CX User's Guide