Micro-Star International Z87-G45 GAMING Mode D'emploi page 37

Voltage Checkpoints
These voltage checkpoints are used to measure the current system voltages. A
multimeter (not included) will be required to check voltages.
V-Check Spots
These voltage check spots are for you to measure the voltages. To check
the voltage, please attach the positive lead of the multimeter to these spots and the
negative lead to any ground spot.
Spot
GND
CPU_SA
CPU_RING
CPU_GFX
CPU_CORE0
VCC_DDR
CPU_VCCIN
Description
Ground
CPU SA (System Agent) voltage
CPU Ring voltage
CPU integrated graphics voltage
CPU core0 voltage
DDR memory voltage
CPU Input voltage
En-25
GND
CPU_SA
CPU_RING
CPU_GFX
CPU_CORE0
VCC_DDR
CPU_VCCIN