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8-Pin Power Connectors
JPW2~JPW4 are 8-pin 12V DC power input for the CPU that must be connected to the power
supply. Refer to the table below for pin definitions.
Important:
•
To provide adequate power supply to the motherboard, be sure to connect the 24-pin ATX
PWR and the 8-pin PWR connectors (JPW2, JPW3 and JPW4) to the power supply. Fail-
ure to do so may void the manufacturer warranty on your power supply and motherboard.
•
For installing multiple GPU cards, it is required to connect the 8-pin connectors (JPW2,
JPW3 and JPW4) to the power supply. Please refer to the tables below.
Type of GPU
Single-Width
Type of GPU
Double-Width
Type of GPU
Triple-Width
8-pin Power Connectors
Pin Definitions
Pin#
Definition
1 - 4
Ground
5 - 8
+12V
Required Connection
GPU Cards and the Required Connectors
Number of GPU Cards
JPW1
GPU X 1
V
GPU X 2
V
V
GPU X 3
GPU X 4 or more
V
Number of GPU Cards
JPW1
GPU X 1
V
V
GPU X 2
GPU X 3
V
GPU X 4 or more
V
Number of GPU Cards
JPW1
GPU X 1
V
GPU X 2
V
53
Chapter 4: Motherboard Connections
JPW2
JPW3
JPW4
V
V
V
V
V
V
V
V
V
JPW2
JPW3
JPW4
V
V
V
V
V
V
V
V
V
V
JPW2
JPW3
JPW4
V
V
V
V
V
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