Aaeon BOXER-8222AI, User Manual

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Chapter 2 – Hardware Information 10
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2.3.2 AT/ATX Mode Select (CN4 Pins 7-8)
The AT/ATX Mode Select functions by connecting pins 7 and 8 of CN4. To prevent
damage to the system, do not connect pins 7 and 8 to any other pin.
Open – AT Mode Closed – ATX Mode
(Default)
CN4 pins 7-8 Function
7-8 Open AT Power Mode
7-8 Closed ATX Power Mode (Default)
2.3.3 RS-232 (JP1)
RS-232 functions by connecting pins 1 and 2 of JP1. To prevent damage to the system,
do not connect pins 1 and 2 to any other pin.
Closed – RS-232
(Defualt)
JP1 pins 1-2 Function
1-2 Closed RS-232 (Default)