Onboard leds – Asus Rampage II Extreme User Manual
Page 30

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
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