AXIOMTEK CAPA311, Руководство пользователя

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CAPA311/312 3.5
” Board
12 Board and Pin Assignments
2.4.1 SMBus Connector (CN1)
This connector is a 3-pin (pitch=2.0mm) wafer connector, which is compliant with JST
B3B-PH-K-S, for SMBus interface. The SMBus (System Management Bus) is a simple
bus for the purpose of lightweight communication.
2.4.2 Front Panel Connector (CN2)
This is a 2x5-pin header (pitch=2.0mm) for front panel interface.
Power Status
Pin 1 and pin 2 are for power status button; letting user know the power status of this
board.
Power LED
Pin 4 connects anode (+) of LED and pin 3 connects cathode(-) of LED. The power LED
lights up when the system is powered on.
Power On/Off Button
Pin 5 and 6 connect the power button on front panel to CPU board, which allows users to
turn on or off power supply.
System Reset Switch
Pin 7 and 8 connect the case-mounted reset switch that reboots your computer without
turning off the power switch. It is a better way to reboot your system for a longer life of
system power supply.
HDD Activity LED
This connection is linked to hard drive activity LED on the control panel. LED flashes
when HDD is being accessed. Pin 9 and 10 connect the hard disk drive to the front panel
HDD LED, pin 9 is assigned as cathode(-) and pin 10 is assigned as anode(+).
Pin Signal
1 SMBus clock
2 SMBus data
3 GND
Pin Signal Pin Signal
1 PWR- 2 PWR+
3 PWRLED- 4
5 PWRSW- 6 PWRSW+
7 HW RST- 8 HW RST+
9 HDDLED- 10