Asus CROSSHAIR IV FORMULA User Guide - Page 30

Power LED, GO LED, Blinking, Lighting, Indicates that MemOK! is enabled before POST.

Page 30 highlights

5. Power LED The motherboard comes with a power-on switch 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 power-on switch. When you turn on the ATX power supply, the Power LED flashes three times to indicate that the system is ready to boot. Wait till the flash stops before you press the power-on switch. 6. GO LED Blinking: Indicates that MemOK! is enabled before POST. Lighting: Indicates that the system loads the preset profile for temporary overclocking when in OS. 2-4 Chapter 2: Hardware information

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5.
Power LED
The motherboard comes with a power-on switch 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 power-on switch.
When you turn on the ATX power supply, the
Power LED
flashes three times
to indicate that the system is ready to boot. Wait till the flash stops before you
press the power-on switch.
6.
GO LED
Blinking
: Indicates that MemOK! is enabled before POST.
Lighting
: Indicates that the system loads the preset profile for temporary
overclocking when in OS.
2-4
Chapter 2: Hardware information