Before You Proceed - Asus M3N78 SE User Manual

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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 a metal object, such
• 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
• Before you install or remove any component, ensure that the ATX power supply is
Onboard LED
The 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.
M3N78 SE
M3N78 SE Onboard LED
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as the power supply case, before handling components to avoid damaging them due to
static electricity
bag that came with the component.
switched off or the power cord is detached from the power supply. Failure to do so may
cause severe damage to the motherboard, peripherals, or components.
SB_PWR
ON OFF
Standy Power Powered Off
Chapter 1: Product introduction