Biostar B450MH User Manual

16 | Chapter 2: Hardware installaon
2.7 Headers & Connectors
ATXPWR1: ATX Power Source Connector
For beer compability, we recommend to use a standard ATX 24-pin power supply for this
connector. Make sure to nd the correct orientaon before plugging the connector.
Pin Assignment Pin Assignment
13 +3.3V 1 +3.3V
14 -12V 2 +3.3V
15 Ground 3 Ground
16 PS_ON 4 +5V
17 Ground 5 Ground
18 Ground 6 +5V
19 Ground 7 Ground
20 NC 8 PW_OK
21 +5V 9 Standby Voltage+5V
22 +5V 10 +12V
23 +5V 11 +12V
24 Ground 12 +3.3V
ATXPWR2: ATX Power Source Connector
The connector provides +12V to the CPU power circuit. If the CPU power plug is 4-pin, please
plug it into Pin 1-2-5-6 of ATXPWR2.
Pin Assignment
1 +12V
2 +12V
3 +12V
4 +12V
5 Ground
6 Ground
7 Ground
8 Ground
Note
»
 Beforeyoupoweronthesystem,pleasemakesurethatbothATXPWR1andATXPWR2connectors
havebeenplugged-in.
»
 Insucientpowersuppliedtothesystemmayresultininstabilityortheperipheralsnotfunconing
properly.UseofaPSUwithahigherpoweroutputisrecommendedwhenconguringasystemwith
morepower-consumingdevices.
PANEL1: Front Panel Header
This 16-pin header includes Power-on, Reset, HDD LED, Power LED, and speaker connecon.
Pin Assignment Funcon Pin Assignment Funcon
1 +5V
Speaker
Connector
9 N/A
N/A
2 N/A 10 N/A
3 N/A 11 N/A N/A
4 Speaker 12 Power LED (+)
Power
LED
5 HDD LED (+)
Hard drive
LED
13 Power LED (+)
6 HDD LED (-) 14 Power LED (-)
7 Ground
Reset
buon
15 Power buon
Power-on
buon
8 Reset control 16 Ground

Biostar B450MH Specifications

General

Non-ECC	Yes
Memory channels	Dual-channel
Memory slots type	DIMM
Number of memory slots	2
Supported memory types	DDR4-SDRAM
Maximum internal memory	32 GB
Supported memory clock speeds	1866, 2133, 2400, 2667, 2933, 3200 MHz
Supported memory module capacities	8GB, 16GB
Audio chip	Realtek ALC887
Component for	PC
Motherboard chipset	AMD B450
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Motherboard chipset family	AMD
Windows operating systems supported	Windows 10 Education x64, Windows 10 Enterprise x64, Windows 10 Home x64, Windows 10 Pro x64, Windows 7 Enterprise x64, Windows 7 Home Basic x64, Windows 7 Home Premium x64, Windows 7 Professional x64, Windows 7 Starter x64, Windows 7 Ultimate x64, Windows 7 x64
Thermal Design Power (TDP)	105 W
Processor socket	Socket AM4
Compatible processor series	AMD Athlon, AMD Ryzen 3, AMD Ryzen 3 2nd Gen, AMD Ryzen 3 3rd Gen, AMD Ryzen 5, AMD Ryzen 5 2nd Gen, AMD Ryzen 5 3rd Gen, AMD Ryzen 7, AMD Ryzen 7 2nd Gen, AMD Ryzen 7 3rd Gen, AMD Ryzen 9 3rd Gen
Maximum number of SMP processors	1
RAID levels	0, 1, 10
Number of SATA II connectors	0
Number of SATA III connectors	4
LAN controller	Realtek RTL8111H
Ethernet interface type	Gigabit Ethernet
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.
BIOS type	AMI
Cables included	SATA
Harmonized System (HS) code	84733020

Weight and Dimensions

Depth	244 mm
Width	198 mm