MSI Z77A-G45 Thunderbolt manual FV1 Voltage Checkpoints Connector optional

Models: Z77A-G45 Thunderbolt

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MS-7752

FV1: Voltage Checkpoints Connector (optional)

These voltage checkpoint are used to measure the current system voltages. A multimeter (not included) will be required to check voltages. To check the voltage, please use the included voltage checkpoint cables included in the mainboard package. Attach the positive lead of the multimeter to the voltage checkpoint cable and the negative lead to the ground connector.

7 GND

GND

PCH_1P05

VCC_DDR

CPU_GFX

CPU_VTT

1 VCCP

Chapter 1

Point

Description

GND (pin 6, pin 7)

Ground

PCH_1P05 (pin 5)

PCH 1.05 voltage. The PCH voltage is the voltage supplied

 

to the Platform Controller Hub.

VCC_DDR (pin 4)

Memory voltage. The DDR memory voltage is the voltage

 

supplied to the DDR memory modules on the mainboard.

 

Lower memory timings may require higher voltages to

 

maintain system stability.

CPU_GFX (pin 3)

The CPU_GFX voltage is the voltage supplied to the

 

integrated graphics processor located on the CPU.

CPU_VTT (pin 2)

CPU IO voltage (Uncore). The CPU IO voltage is the voltage

 

supplied to the Uncore on the CPU. Higher overclocks may

 

require a higher CPU IO voltage to maintain stability.

VCCP (pin 1)

CPU core voltage. The CPU voltage is the voltage suppoied

 

to the CPU core. Higher overclocks may require higher CPU

 

core voltages to maintain stability.

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Page 43
Image 43
MSI Z77A-G45 Thunderbolt manual FV1 Voltage Checkpoints Connector optional