MSI P55A-G55 series - LED Status Indicators

Hardware Setup
MS-7668
Chapter 2
2-23
Hardware Setup
MS-7668
Chapter 2
LED Status Indicators
APS LED
These APS (Active Phase Switching) LED indicates the current CPU power phase
mode. Follow the instructions below to read.
: ON, : OFF
The LED will light blue when CPU is in 2 or 3 phase power mode.
The LED will o󰘯 when CPU is in 1 phase power mode.
APS LED