IBM R31 - Manual (Page 166)

Symbol Color Meaning
(6) Battery status Green Enough battery power
remains for operation.
Blinking
green The battery power charges
up to 80% full power
Blinking
orange The battery pack needs to
be charged
Orange The battery pack is being
charged.
(7) Standby mode Green The computer is in standby
mode
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)
Modem
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)
Audio Internal Speaker (Interactive Tests)
Stereo Speaker (Interactive Tests)
Speaker System beeper: Internal Speaker
(Interactive Tests)
PC Card slots System board (Diagnostics)
Keyboard
1. Keyboard (Diagnostics)
2. Keyboard (Interactive Tests)
160 ThinkPad R30/R31 HMM