Advantech AIMB-U217, User Manual

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17 AIMB-U217 User Manual
Chapter 2
C
onnecting
Peripherals
2.9.4 Power LED Header (JFP1/PWR_LED)
Refer to Appendix A for detailed information regarding the pin assignments.
Two power supply connection modes exist. The first is the ATX power mode, where
the system is powered on/off by momentarily pressing the power button. The second
is the AT power mode, where the system is powered on/off using the power supply
switch. The status differences indicated by the power LED are listed in the following
table:
2.10 HD Analog Audio Connectors (AUDIO1)
AIMB-U217 supports line-out as the default setting.
Table 2.2: ATX Power Supply LED Status
Power Mode
LED
(ATX power mode)
(On/off by
momentarily pressing the
power button)
LED
(AT power mode)
(Powered on/off using the
power supply switch)
PSON1
jumper setting
Pins 2-3 closed Pins 1-2 closed
System On On On
S3 Off Off
S4 Off Off
System Off Off Off