Symbol
Color
Meaning
(3) Drive in use
Green
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.
(4) Numeric lock
Green
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
User's Refer-
ence.
(5) Caps lock
Green
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.
(6) Scroll lock
Green
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.
(7) Power on
Green
The computer is opera-
tional. This indicator is
on when the computer is
on.
FRU tests
The following table shows the applicable test for each FRU
using PC-Doctor.
FRU
Applicable test
System board
1. CPU/Coprocessor (Diagnostics)
2. System board (Diagnostics)
Power
Battery (Diagnostics)
LCD unit
1. Video Adapter (Diagnostics)
2. Video (Interactive Tests)
ThinkPad i Series 1200/1300
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