Biostar A520MH User Manual

18 | Chapter 2: Hardware installaon
PANEL1: Front Panel Header
This connector includes Power-on, Reset, HDD LED and Power LED connecons. It allows user
to connect the PC case’s front panel switch funcons.
Pin Assignment Funcon Pin Assignment Funcon
1 HDD LED(+)
HDD
LED
2 Power LED (+)
Power
LED
3 HDD LED(-) 4 Power LED (-)
5 Ground
Reset
Buon
6 Power Buon
Power-On
Buon
7 Reset Control 8 Ground
9 NC NC 10 NA NA
PC-SPKR1: Chassis Speaker Header
Please connect the chassis speaker to this header.
Pin Assignment
1 +5V
2 N/A
3 N/A
4 Speaker
TPM: Trusted Plaorm Module Header
This header allows you to store cryptographic keys that protect informaon.
Pin Assignment Pin Assignment
1 F_LAD0 2 +3V
3 F_LAD1 4 +3V
5 F_LAD2 6 TPM_24MHZ
7 F_LAD3 8 GND
9 L_FRAME_N 10 NC
11 SER_IRQ 12 PLTRST_N
13 CLK_RUN_N 14 +3V3_DUAL

Biostar A520MH Specifications

General

Processor socket	-
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen™ 3
Component for	PC
Motherboard chipset	AMD A520
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Memory slots type	DIMM
Number of memory slots	2
Supported memory types	DDR4-SDRAM
Maximum internal memory	- GB
Supported memory clock speeds	1866, 2133, 2400, 2667, 2933, 3200, 3600, 3800, 4000, 4400, 4600, 4800 MHz
Wi-Fi	No
Ethernet LAN	Yes
LAN controller	Realtek RTL8111H
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0
Harmonized System (HS) code	84733020

Weight and Dimensions

Depth	208 mm
Width	244 mm