AIMB-580 User Manual 222.9.6 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 KeyLock function. The Power LED cable should be connected to pin 1-3. The key lockbutton cable should be connected to pin 4-5.There are 3 modes for the power supply connection. The first is “ATX power mode”,system is on/off by a tentative power button. The second is “AT Power Mode”, systemis on/off by the switch of the Power supply. The third is another “AT Power Mode”which is using the front panel power switch. The power LED status is indicated as fol-lowing table:PSON1(On Back plane)Jumper Setting2-3 pin closed 1-2 pin closed Connect 1-2 pin cablewith switchSystem On On On OnSystem Status Fast flashes Fast flashes Fast flashesSystem Off Slow flashes Off Offpin.1 PWR_LED+pin.2 NCpin.3 GNDpin.4 #KB_LOCKpin.5 GNDTable 2.2: ATX power supply LED status (No support for AT power)Power Mode LED (ATX Power Mode)(On/Off by tentativebutton)LED (AT Power Mode)(On/Off by switchingpower supply)LED (AT Power Mode)(On/Off by front panelswitch)JFP3
