Connectors - Supermicro H12DSG-O-CPU User Manual

2.6 Connectors

Power Supply Connectors
JPW1~JPW4 are the 12V power sources for the H12DSG-O-CPU motherboard. Refer to the
table below for pin definitions.
Backplane 12V and 5V 8-pin Power Connectors
PWR1/BP, PWR2/BP and PWR3/BP are 8-pin 12V and 5V DC power inputs for the system's
backplane. Refer to the table below for pin definitions.
GPU 12V 8-pin Power Connectors
JPWR1~10/GPU are 8-pin 12V DC power inputs for GPUs that are installed in the system's
PCIe slots. Refer to the table below for pin definitions.
4-pin HDD Power
Pin Definitions
Pin# Definition
1 Ground (Black)
2 +12V (Red)
3 Tachometer (Yellow)
4 PWM control (Blue)
Backplane 8-pin Power
Pin Definitions
Pin# Definition Pin# Definition
1 Ground 4 +12V
2 Ground 5 +12V
3 Ground 6 +5V
GPU 8-pin Power
Pin Definitions
Pin# Definition Pin# Definition
1 Ground 6 +12V
2 Ground 7 +12V
3 Ground 8 +12V
4 Ground 9 +12V
11 LAD0 12 GND
13 NC 14 NC
15 3.3V_STBY 16 SERIPQ
17 GND 18 NC
19 NC 20 NC
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Chapter 2: Installation