IBM ThinkPad R30 Hardware Maintenance Manual page 111

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(6) Battery status
(7) Standby mode
FRU tests
The following table shows the applicable test for each FRU
using PC-Doctor.
FRU
System board
Power
LCD unit
Modem
Audio
Speaker
PC Card slots
Keyboard
Color
Green
Blinking
green
Blinking
orange
Orange
Green
Applicable test
1. CPU/Coprocessor (Diagnostics)
2. System board (Diagnostics)
Battery (Diagnostics)
1. Video Adapter (Diagnostics)
2. Video (Interactive Tests)
1. Make sure the modem set up
correctly.
2. Replacing the modem jack and
modem card one at a time, run the
modem tests in Other Devices
(Diagnostics)
Internal Speaker (Interactive Tests)
Stereo Speaker (Interactive Tests)
System beeper: Internal Speaker
(Interactive Tests)
System board (Diagnostics)
1. Keyboard (Diagnostics)
2. Keyboard (Interactive Tests)
MT 2656, 2657, 2676
Meaning
Enough battery power
remains for operation.
The battery power charges
up to 80% full power
The battery pack needs to
be charged
The battery pack is being
charged.
The computer is in standby
mode
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