Biostar A520MH 3.0 User Manual

Chapter 2: Hardware installaon | 11
A520MH 3.0
2.3 Connect Cooling Fans
These fan headers support cooling-fans built in the computer. The fan cable and connector
may be dierent according to the fan manufacturer.
CPU_FAN: CPU Fan Header
Pin Assignment
1 Ground
2 +12V
3 FAN RPM rate sense
4 AI Fan Control
SYS_FAN1: System Fan Header
Pin Assignment
1 Ground
2 +12V
3 FAN RPM rate sense
4 AI Fan Control
Note
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CPU_FAN, SYS_FAN1 support 4-pin and 3-pin head connectors. When connecng with wires onto
connectors, please note that the red wire is the posive and should be connected to pin#2, and the
black wire is Ground and should be connected to pin#1(GND).

Biostar A520MH 3.0 Specifications

General

Form Factor	Micro ATX
Chipset	AMD A520
Socket	AM4
Memory Slots	2
Max Memory	64GB
PCIe Slots	1 x PCIe 3.0 x16, 1 x PCIe 3.0 x1
Memory Support	DDR4 3200/ 2933/ 2667/ 2400/ 2133 MHz
Storage Interface	4 x SATA III
USB Ports	6 x USB 2.0
Audio	Realtek ALC887
LAN	Realtek RTL8111H
Video Outputs	HDMI, VGA