Power Led And Keyboard Lock Connector; Lock) - Advantech AIMB-767 User Manual

2.9.6 Power LED and keyboard lock connector (JFP3/
PWR_LED&KEY LOCK)
(JFP3 / PWR_LED&KEY LOCK) is a 5-pin connector for the power on LED and Key
Lock function. The Power LED cable should be connected to pin 1-3. The key lock
button cable should be connected to pin 4-5.
There are 3 modes for power supply connection which is selected by PSON1 con-
nector. The first is "ATX power mode", whereby the system is turned on/off through
software and other means. The second is "AT Power Mode", whereby the system is
turned on/off by the power supply switch on the back. The third is another "AT Power
Mode" which uses the front panel power switch. The power LED status is indicated
as in following table:
Table 2.2: ATX power supply LED status (No support for AT power)
Power Mode
PSON1
(On Back plane)
Jumper Setting
System On
System Status
System Off
JFP3
pin.1
pin.2
pin.3
pin.4
pin.5
LED (ATX Power Mode)
(On/Off by software or
other)
2-3 pin closed
On
Fast flashes
Slow flashes
3 6 9 12
2 5 8 11
1 4 7 10
1 2 3 4 5
PWR_LED+
NC
PWR_LED-
#KB_LOCK
GND
LED (AT Power Mode) LED (AT Power Mode)
(On/Off by switching (On/Off by front panel
power supply) switch)
1-2 pin closed Connect 1-2 pin cable
with switch
On On
Fast flashes Fast flashes
Off Off
19 AIMB-767 User Manual