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2.1
Before you proceed
Take note of the following precautions before you install motherboard
components or change any motherboard settings.
•
Make sure that your power supply unit (PSU) can provide at least
the minimum power required by your system. See "8. ATX power
connectors" on page 2-25 for details.
•
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.
Onboard LEDs
1.
Standby power LED (SB_PWR1)
The motherboard comes with a green 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.
2.
CPU warning LED (CPU_WARN1)
The CPU warning LED lights up to indicate that a processor is not
installed or the processor is not installed properly in CPU socket.
K8N-LR
R
K8N-LR Standby Power LED
ASUS K8N-LR
SB_PWR1
ON
Standby
Powered
Power
CPU_WARN1
ON
No CPU installed
No detected CPU problem
No CPU on socket CPU
CPU types mismatched
OFF
Off
OFF
2-1
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