Onboard leds – Asus Rampage II Extreme User Manual

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Onboard LEDs

The motherboard comes with LEDs that indicate the voltage conditions of CPU,

memory, northbridge, and southbridge. You may adjust the voltages in BIOS. There

are also an LED for hard disk drive activity and an onboard switch for power status. For

more information about voltage adjustment, refer to 3.3 Extreme Tweaker menu.
1. CPU LED

The CPU LED has three voltage displays: CPU Voltage, CPU PLL Voltage

and QPI/DRAM Core voltage; you can select the voltage to display in BIOS.

Refer to the illustration below for the location of the CPU LED and the table

below for LED definition.

Normal (green)

High (yellow)

Crazy (red)

CPU Voltage

0.85000–1.5000

1.50625–1.59375

1.60000–

CPU PLL Voltage

1.81592–1.89542

1.90867–1.94842

1.96167–

QPI/DRAM Core Voltage

1.20000–1.39375

1.40000–1.65625

1.66250–

2-2

Chapter 2: Hardware information