Lanner Digital Input/Output - Manual (Page 26)

Software User Manual Version 1.0
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CaseOpen:
The purpose of Caseopen function is to detect whether the computer case has been
opened and possibly tampered with. You will need to enable this function first through
jumper selection (refer to the product’s user manual for detailed information). Select to
enable this function.
The corresponding commands:
EX: Fintek 81865 super I/O
F81865 CaseOpen //start caseopen
detection
CaseOpen_Clear //reset the case open
status to undetected
Note: Refer to Appendix A for more
information on Register (page 52 of F81865
datasheet)