MSI X58A-GD45 - Manual (Page 39)

Hardware Setup MS-7522
Chapter 2
2-23
Hardware Setup MS-7522
Chapter 2
RESET
LED Status Indicators
APS LEDs
These APS (Active Phase Switching) LEDs indicate the current CPU power phase
mode. Follow the instructions below to read.
: Lights : Off
CPU is in 1 phase power mode.
CPU is in 2 phase power mode.
CPU is in 3 phase power mode.
CPU is in 4 phase power mode.
CPU is in 5 phase power mode.
CPU is in 6 phase power mode.
CPU is in 7 phase power mode.
CPU is in 8 phase power mode.
APS LEDs
HDD LED
Standby LED