Power Connections - Supermicro SuperServer E403-9D-16C-IP User Manual

4.2 Power Connections

Power Connectors
The primary ATX power supply connector (JPWR1) meets the ATX SSI EPS 12V specification.
JPV1 is the 12V DC power connector that provides power to the motherboard. JPH1 is a
4-pin HDD power connector that provides power to onboard hard disk drives.
8-pin 12V Power
Pin Definitions
Pin# Definition
1 - 4 Ground
5 - 8 +12V
4-pin HDD Power
Pin Definitions
Pin# Definition
1 12V
2-3 Ground
4 5V
GPU Power Connector
JPW1 is a GPU power connector. This connector provides additional power for graphic cards
Chapter 4: Motherboard Connections
ATX Power 24-pin Connector
Pin# Definition
13 +3.3V
14 -12V
15 Ground
16 PS_ON
17 Ground
18 Ground
19 Ground
20 Res (NC)
21 +5V
22 +5V
23 +5V
24 Ground
GPU Power Pin
Definitions
Pin# Definition
1 GND
2 GND
3 12V
4 12V
45
Pin Definitions
Pin# Definition
1 +3.3V
2 +3.3V
3 Ground
4 +5V
5 Ground
6 +5V
7 Ground
8 PWR_OK
9 5VSB
10 +12V
11 +12V
12 +3.3V