Lenovo ThinkPad 600E Hardware Maintance Manual - June 1999: ThinkPad 600, 600E - Page 47

PC Card Slots Test, Universal Serial Bus (USB) Test, USB-1

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Running the Diagnostics PC Card Slots Test The green LED on the PC test card turns on when the PC Card slot test is running. If the LED does not turn on, check that the card is installed correctly by reseating it. If the LED still does not turn on after the card is reseated, try using another slot for the test. If the LED still does not turn on and the test fails, replace the FRU shown by the diagnostic error code. Universal Serial Bus (USB) Test At the advanced diagnostic window, do the following: 1. Connect the USB parallel test cable to the parallel connector of the computer. 2. Connect Connector 1 of the cable to the USB connector of the computer. Note: The illustration shows a ThinkPad 770 computer, but the procedure is the same for the other model. 3. Click on USB-1 to run the test. Follow the instructions on the screen. OK appears if the test passed, but three lines of error codes appear if the test failed. The defective FRU must be the system board. If you want to test the USB port on the port replicator, connect the USB parallel test cable to a port replicator and click on USB-2. If you want to test the USB ports on a docking station, connect the USB parallel test cable to the General Descriptions 41

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Running the Diagnostics
PC Card Slots Test
The green LED on the PC test card turns on when the PC
Card slot test is running.
If the LED does not turn on,
check that the card is installed correctly by reseating it.
If
the LED still does not turn on after the card is reseated, try
using another slot for the test.
If the LED still does not
turn on and the test fails, replace the FRU shown by the
diagnostic error code.
Universal Serial Bus (USB) Test
At the advanced diagnostic window, do the following:
1.
Connect the USB parallel test cable to the parallel
connector of the computer.
2.
Connect Connector 1 of the cable to the USB
connector of the computer.
Note:
The illustration shows a ThinkPad 770
computer, but the procedure is the same for
the other model.
3.
Click on
USB-1
to run the test.
Follow the instructions on the screen.
OK
appears if
the test passed, but three lines of error codes appear
if the test failed.
The defective FRU must be the
system board.
If you want to test the USB port on the port replicator,
connect the USB parallel test cable to a port
replicator and click on
USB-2
.
If you want to test the USB ports on a docking
station, connect the USB parallel test cable to the
General Descriptions
41