IBM 1200 Hardware Maintenance Manual page 217

Symbol
(2) Standby mode
(3) Drive in use
(4) Numeric lock
(5) Caps lock
(6) Scroll lock
(7) Power on
FRU tests
The following table shows the applicable test for each FRU
using PC-Doctor.
FRU
System board
Power
LCD unit
Color
Green
Blinking
green
Green
Green
Green
Green
Green
Applicable test
1. CPU/Coprocessor (Diagnostics)
2. System board (Diagnostics)
Battery (Diagnostics)
1. Video Adapter (Diagnostics)
2. Video (Interactive Tests)
ThinkPad i Series 1200/1300
Meaning
The computer is in standby
mode
The computer is entering or
resuming from hibernation
mode.
Data is being read from or
written to the hard disk. Do
not enter standby mode or
power off the computer
when this indicator is on.
The numeric keypad on the
keyboard is enabled. You
enable or disable the
keypad by pressing and
holding the Shift key, and
pressing the NumLk key.
For details, see the Service
& Troubleshooting Guide.
Caps Lock mode is
enabled. All alphabetic
characters (A-Z) are
entered in capital letters
without the Shift key being
pressed. You enable or
disable the Caps Lock
mode by pressing the Caps
Lock key.
Scroll Lock mode is
enabled. The Arrow keys
can be used as
screen-scroll function keys.
The cursor cannot be
moved with the Arrow
keys. Not all application
programs support this
function. You enable or
disable Scroll Lock mode by
pressing the ScrLk key.
The computer is
operational. This indicator is
on when the computer is
on.
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