Fru Tests - Lenovo ThinkPad T40 Series Manual

Product overview
Indicator
6 Caps lock
7 Num lock
8 Bluetooth
status
R
9 Wireless
status

FRU tests

The following table shows the test for each FRU.
FRU
System board
Power
LCD unit
Modem
daughter card
(MDC or
BMDC)
Audio
(continued)
50
MT 2373/2374/2375/2376/2378/2379
Meaning
Green:
Caps Lock mode is enabled. To enable or
disable Caps Lock mode, press the Caps
Lock key.
Green:
The numeric keypad on the keyboard is
enabled. To enable or disable the keypad,
press and hold the Shift key, and press the
NumLk (ScrLk) key.
Green:
Bluetooth wireless is operational. This
indicator is on when Bluetooth wireless is on
and not in suspend mode.
Green:
The wireless feature (the IEEE 802.11
standard) is on, and the radio link is ready
for use.
Blinking green:
Data is being transmitted.
Applicable test
1. Diagnostics --> CPU/Coprocessor
2. Diagnostics --> Systemboard
3. If the docking station or the port replicator
is attached to the ThinkPad computer,
undock it. Place the computer on a
horizontal surface, and run Diagnostics -->
Other Devices --> IBM HDD Active
Protection Test.
Note: Do not apply any physical shock to
the computer while the test is running.
Diagnostics --> Other Devices --> IBM AC
Adapter, IBM Battery 1 (IBM Battery 2)
1. Diagnostics --> Video Adapter
2. Interactive Tests --> Video
1. Make sure the modem is set up correctly.
2. Replace the modem jack and the modem
card in turn, and run the following tests in
Diagnostics --> Communication:
a. Lucent Soft Modem Loopback
b. Lucent Soft Modem Dialtone
1. Interactive Tests --> Internal Speaker
2. Diagnostics --> Other Devices --> Analog
Devices AC97 CODEC Test