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1-6 Chapter 1: Product introduction
Onboard LED
The motherboard comes with a standby power LED. The green LED
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.
1.4 Before you proceed
Take note of the following precautions before you install motherboard
components or change any motherboard settings.
• Unplug the power cord from the wall socket before touching any
component.
• Use a grounded wrist strap or touch a safely grounded object or to
a metal object, such as the power supply case, before handling
components to avoid damaging them due to static electricity.
• Hold components by the edges to avoid touching the ICs on them.
• Whenever you uninstall any component, place it on a grounded
antistatic pad or in the bag that came with the component.
• Before you install or remove any component, ensure
that the ATX power supply is switched off or the power cord is
detached from the power supply. Failure to do so may cause severe
damage to the motherboard, peripherals, and/or components.
P5ND2 SE
R
P5ND2 SE
Onboard LED
SB_PWR
ON
Standby
Power
OFF
Powere
d
Off