Toshiba Libretto 100CT User Manual page 90

Subtest 05 USB Wrap around test
This subtest checks USB. The USB TEST Module (ZD0003P01) and USB
Cable (ZD0003P02) must be connected to the computer.
If the test is completed successfully, OK is displayed. If nothing is displayed,
there may be a problem with the USB port. Check the wraparound connection
and repeat the test.
NOTE: To execute this subtest, the Enhanced Port Replicator must be
connected to the computer.
File No. 960-140
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