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Chapter 4: Motherboard Connections
4-pin 12V Power Connector
JPWR1 is a 4-pin connector that provides 12V DC power (up to 75W) from the motherboard
for a GPU add-on card or various peripherals. Please keep the power usage for JPWR1
within the power limits of up to 75W. Overcurrent DC power usage may cause damage to
the motherboard. Refer to the table below for pin definitions.
4-pin Power
Pin Definitions
Pin#
Definition
1 - 2 Ground
3 - 4 +12V
4-pin HDD Power Connector
JPH1 is a 4-pin power connector that provides power to onboard HDD devices. Refer to the
table below for pin definitions.
4-pin HDD Power
Pin Definitions
Pin#
Definition
1
12V
2
GND
3
GND
4
5V
