Jetway Computer NAF92-Q67 - Manual (Page 14)

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(16)JP20 (3-pin): Mini PCI-E Power VCC 3.3V/3.3 VSB Function Select
2-3 closed ： MINI PCI-E
VCC= 3.3VSB
JP20
1-2 closed ： MINI PCI-E
VCC= 3.3V
3 1 3 1
(17) CASE_ OPEN (2-pin): Case Open Message Display function select
Case Open Display Function
1-2 Short： Case Open
CASE_OPEN
1-2 Open： Normal
Pin 1-2 shorted: Case open display function enabled. In this case if your case is
removed, next time when you restart your computer a message will be displayed
onscreen to inform you of this.