Toshiba PORTEGE R830 Maintenance Manual page 150

Subtest 02 RGB monitor ID
NOTE: To execute this subtest, monitor supporting EDID (Extended Display
Identification Data) is required.
Connect a wraparound connector to CRT monitor for the test of ID
acquisition. This subtest is executed by using VESA command.
CAUTION: It becomes NG because the priority is given to the internal monitor in a
simultaneous display mode.
PORTEGE R830 Satellite R830 Series Maintenance Manual (960-880)
Tests and Diagnostics
[CONFIDENTIAL] 3-41