Asus Maximus II Formula - Manual (Page 28)

2-2 Chapter 2: Hardware information
2. Memory LED
Refer to the illustration below for the location of the memory LED and the
table below for LED definition.
3. Northbridge/Southbridge LEDs
The northbridge and southbridge LEDs each have two different voltage
displays. The northbridge LED displays either the North Bridge Voltage or
the FSB Termination Voltage. The southbridge LED shows either the South
Bridge 1.1V Voltage or the Sputh Bridge 1.5V Voltage. You can select the
voltage to display in BIOS. Refer to the illustration below for the location of
the northbridge/southbridge LEDs and the table below for LED definition.
Normal (green) High (yellow) Crazy (red)
DRAM Voltage 1.80000–1.99875 2.01200–2.60825 2.62150–
Normal (green) High (yellow) Crazy (red)
North Bridge Voltage 1.10000–1.59025 1.60350–1.84200 1.85525–
FSB Termination Voltage 1.10000–1.40475 1.41800–1.60350 1.61675–
South Bridge 1.1 Voltage 1.10000–1.59025 1.60350–1.84200 1.85525–
South Bridge 1.5 Voltage 1.50000–1.60600 1.61925–1.80475 1.81800–