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Internal I/O Connectors
X
Cooling Fan Connectors
System Fan 1 (PWM)
1
13
1
2
12
14
2
1
10
1
1
20
11
AMD
1
EPYC
TM
1
1
8
7
2
1
1
System Fan 2 (PWM)
These fan connectors are used to connect cooling fans. The cooling fans will provide adequate
airflow throughout the chassis to prevent overheating the CPU and system board components.
The 4-pin fans provide PWM to modulate fan speed.
„ 4-pin Fan Pin Assignment
Pin Assignment
1
2
3
4
User's Manual | SO630
1
„ PWM Fan
1
CPU Fan (PWM)
1
Ground
12V
RPM
Control
Internal I/O Connectors
X
Power Connector
GND
4
8
+12V
1
13
1
2
12
14
2
1
10
1
1
20
11
AMD
1
EPYC
TM
1
1
8
7
2
1
1
Use a power supply that complies with the ATX12V Power Supply Design Guide Version 1.1. An
ATX12V power supply unit has a standard 24-pin ATX main power connector that must be in-
serted into the 24-pin connector. The 8-pin +12V power connector enables the delivery of more
+12VDC current to the processor's Voltage Regulator Module (VRM).
The power connectors from the power supply unit are designed to fit the 24-pin and 8-pin con-
nectors in only one orientation. Make sure to find the proper orientation before plugging the
connectors.
The system board requires a minimum of 300 Watt power supply to operate. Your system con-
figuration (CPU power, amount of memory, add-in cards, peripherals, etc.) may exceed the mini-
mum power requirement. To ensure that adequate power is provided, we strongly recommend
that the system is supplied with a minimum of 400 Watt power.
Important:
Insufficient power supplied to the system may result in instability or malfunction
of the add-in boards and peripherals. Calculating the system's approximate power
usage is important to ensure that the power supply meets the system's consump-
tion requirements.
Chapter 2
HARDWARE INSTALLATION
1
„ ATX 8-pin Power Connectors
5
24
12
„ ATX 24-pin Power
Connector
1
1
13
1
16
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