Toshiba T4500 User Manual page 66

Subtest 04 DCBP Connection Check
NOTE: To execute the DCBP mouse connection check, a ball-point mouse must be con-
nected to the Ball-point Quick Port (BPQP).
This subtest checks whether a ball-point mouse is connected or not.
If this test does not detect an error, it returns to the subtest menu. If it detects an error, the
following message appears:
KBD-DCBP INTERFACE ERROR
2: Continue
3: Retry
[[ HALT OPERATION ]]
1: Test end
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