MSI X299 TOMAHAWK

50
Onboard LEDs
LED Color Fan control mode
Red PWM mode
Green DC mode
Fan LEDs
These LEDs indicate the fan control mode.
CPU_FAN1 LED
PUMP_FAN1 LED
PCI_E1 LED
PCI_E4 LED
PCI_E3 LED
PCI_E6 LED
PCIe x16 slot LEDs
These LED indicate the PCIe x16 slots status.
LED Color PCIe slot speed status
Red x16
White x8, x4, x1