IBM 755X (9545) User Manual
Related Service Procedures
This section provides information about the following:
“Status Indicators”
“How to Run the Diagnostics” on page 229
“Error Log” on page 229
“Checking the Installed Devices List” on page 230
“Password Combinations” on page 230
“How to Run the Low Level Format” on page 230
“PC Test Card LED” on page 231
“Fn Key Combinations” on page 231
“How To Run the Keyboard Diagnostics” on page 231
Status Indicators
The system status indicators show the current computer
status in different colors (green, yellow, and orange).
status in different colors (green, yellow, and orange).
Symbol
Color
Meaning
Blinking green
Speaker sounds
(Does not sound
for Models 355,
355Cs, 360,
360Cs, and
370C.)
(Does not sound
for Models 355,
355Cs, 360,
360Cs, and
370C.)
Green
Battery fully
charged
charged
Yellow
Battery usable
Orange
Battery low
Blinking orange
Battery almost
depleted
depleted
Blinking green,
yellow, and
orange
yellow, and
orange
Battery storage
switch is set off
switch is set off
Green
Battery charging
Orange
PC card in-use
Orange
Diskette drive
in-use
in-use
Orange
Hard disk drive
in-use
in-use
Green
Keys in Num
Lock mode
Lock mode
Green
Keys in Caps
Lock mode
Lock mode
Green
Keys in Scroll
Lock mode
Lock mode
228
IBM Mobile Systems HMM