AXIOMTEK EP100, Руководство пользователя

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EP100 AMD Embedded G-Series Processor EPIC Board with LVDS
22 Board and Pin Assignments
2.4.11 SMBus Connector (CN14)
This connector is for SMBus interface support. The SMBus (System Management Bus)
is a simple 2-wire bus for the purpose of lightweight communication. Most commonly it is
used for communication with the power source related applications such as on/off
instructions.
2.4.12 CPU Fan Connector (CN15)
The CN15 is a CPU fan interface. You can find fan speed on BIOS Setup Utility if CPU
fan is installed. For further information, see BIOS Setup Utility: Advanced\H/W
Monitor\PC Health Status.
2.4.13 Front Panel Connector (CN16)
Power LED
Pin 1 connects anode(+) of LED and pin 5 connects cathode(-) of LED. The power LED
lights up when the system is powered on.
External Speaker and Internal Buzzer
Pin 2, 4, 6 and 8 connect the case-mounted speaker unit or internal buzzer. While
connecting the CPU board to an internal buzzer, please set pin 2 and 4 closed; while
connecting to an external speaker, you need to set pins 2 and 4 opened and connect the
speaker cable to pin 8(+) and pin 2(-).
Pin Signal
1 CLK
2 DATA
3 GND
Pin Signal
1 GND
2 +12V level
3 Fan speed feedback
Pin Signal
1
2 EXT SPK-
3 N.C.
4 Buzzer
5 PWRLED-
6 N.C.
7 N.C.
8 EXT SPK+
9 PWRSW-
10 PWRSW+
11 HW RST-
12 HW RST+
13 HDDLED-
14