MSI X99S GAMING 9 AC - Manual (Page 49)

English
En-35
LED Status Indicators
BIOS B LED
OC Switch Gear 1 LED
OC Switch Gear 2 LED
Debug LED
BIOS A LED
LED Status Table
The following table describes the status of LED indicators.
LED LED Status Description
OC Switch Gear 1 Blue Gear 1 OC Genie mode
OC Switch Gear 2 Red Gear 2 OC Genie mode
BIOS B Green BIOS B in operation
BIOS A Blue BIOS A in operation