Advantech AIMB-U233, Руководство пользователя

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AIMB-U233 User Manual 14
2.8.1 ATX Soft Power Switch (JFP1/RESET)
For computer cases equipped with ATX power supply, users should connect the
Power On/Off button on the computer case for convenient Power On/Off functionality.
2.8.2 Reset (JFP1/RESET)
Many computer cases offer the convenience of a specific reset button. Connect the
wire for the reset button.
2.8.3 HDD LED (JFP1/HDDLED)
An LED can be linked to the connector to indicate when the HDD is active.
2.8.4 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:
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