12
(7) JCOMP4 (6-pin): COM4 Header Pin9 Function Select
3-4 Closed : +12V
JCOMP4
1-2 Closed: RS232;
5-6 Closed : +5V
1
1
1
(6)COPEN1 (2-pin): Case Open Message Display Function Select
Pin 1-2 shorted: Case open display function enabled. Use needs to enter BIOS and
enable
‘
Case Open Detect
’
function. In this case if you case is removed, next time
when you restart your computer a message will be displayed onscreen to inform you
of this.
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