Toshiba B-850 - Manual (Page 102)

APPENDIX 4 SYSTEM MODE EO1-33029
A4.7 Additional Information
A4-26
A4.7.1 Self-Diagnostic Test Result Sample and Descriptions (Cont.)
(10) Expansion I/O Interface Check
EXP.I/O OK
(11) DIN Connector for the Keyboard (KB-80) Check
KEY BRD OK
Loopback test
OK: The circuit has no problem.
NG: The circuit has a problem or loopback jig is not attached.
Expansion I/O PC board
OK: The connector has no problem.
NG: The connector has a problem or loopback jig is not attached.
Expansion I/O PC board
NOTE:
Fot this check a loopback jig is required. For the loopback jig, please contact your nearest TOSHIBA TEC
service representative.
NOTE:
Fot this check a loopback jig is required. For the loopback jig, please contact your nearest TOSHIBA TEC
service representative.