Onboard LEDThe motherboard comes with a standby power LED that lights up to indicate that the system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should shut down the system and unplug the power cable before removing or plugging in any motherboard component. The illustration below shows the location of the onboard LED.
SB_PWR
ON OFF
Standby Powered
Power Off
P5E WS Professional Onboard LED
AI Slot DetectorThis motherboard comes with on-board LEDs that light up when the PCIE/PCI devices are not correctly installed. When the power cord is plugged in and the LED lights up, reinstall the device correctly. Refer to the figure on the right for the location of the LEDs.
DET_X16_1 DET_X1_1 DET_PCIX_1 DET_X16_2 DET_PCI1 DET_PCI2
P5E WS Professional Slot Detectors
• The PCIEx16_1-2 slots (blue) support PCIE x16 cards only. The AI Slot Detector lights up when you install x1 or x4 cards to these slots.
•When the AI Slot Detector lights up for incorrect installation, make sure to turn off the power supply unit before reinstaling the card to avoid electrical shock hazard.
