14 | Chapter 2: Hardware installation
2.7 Headers & Connectors
ATXPWR1: ATX Power Source Connector
For better compatibility, we recommend to use a standard ATX 24-pin power supply for this
connector. Make sure to find the correct orientation 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 5V
22
+5V
10
+12V
23
+5V
11
+12V
24
Ground
12
+3.3V
ATXPWR2: ATX Power Source Connector
The connector pr12V 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.
»
Insufficient power supplied to the system may result in instability or the peripherals not functioning
properly. Use of a PSU with a higher power output is recommended when configuring a system with
more power-consuming devices.
Summary of Contents for B450MX
Page 35: ...FCC FCC 15 Class B TV BIOSTAR BIOSTAR BIOSTAR 3 3 CE 2004 108 CE 2006 95 CE 1999 05 CE...
Page 36: ...Mainboard KC KC BIOSTAR MICROTECH INT L CORP 1577 9113 China...
Page 38: ...4 1 1 1 1 0 45 1 2 ATA x2 ATX x1 x1 DVD x1...
Page 41: ...1 7 B450MX B450MX S 1 5 DVI D VGA B450MX...
Page 42: ...8 2 2 2 1 CPU 1 CPU 2 90 3 CPU CPU...
Page 43: ...2 9 B450MX B450MX S 4 CPU CPU 2 2 CPU A 1 2...
Page 44: ...10 2 B 1 2 CPU CPU CPU CPU...
Page 56: ...22 3 UEFI 5 Open 6 OK 7 DEL Save Exit Restore Defaults Save Changes and Reset Save...
Page 57: ...3 UEFI 23 B450MX B450MX S 3 3 1 DVD 2 3 BIOScreen Utility BMP...
Page 58: ...24 4 4 4 1 DVD DVD A B C DVD DVD SETUP EXE http get adobe com reader...
Page 61: ...4 27 B450MX B450MX S 4 4 1 LED 2 1 2 3 1 CMOS 2 1 2 CMOS 1 2...
Page 63: ...4 29 B450MX B450MX S RAID 1 2 2 2 RAID 1 100 2 100 RAID 10 RAID 0 RAID 1 3 4 4 6 8 RAID RAID 1...
Page 64: ...30 4...
Page 65: ...FCC FCC 15 Class B BIOSTAR BIOSTAR BIOSTAR CE 2004 108 CE 2006 95 CE 1999 05 CE...
Page 67: ...3 B450MX B450MX S 1 1 0 45 1 2 Serial ATA x2 ATX I O x1 x1 x1...
Page 70: ...6 1 5 1 DVI D VGA B450MX...
Page 71: ...7 B450MX B450MX S 2 1 CPU 1 CPU 2 90 3 CPU CPU...
Page 72: ...8 4 CPU CPU 2 2 A 1 2...
Page 73: ...9 B450MX B450MX S B 1 2 CPU CPU CPU CPU...
Page 81: ...17 B450MX B450MX S J_COM1 RS 232 1 2 3 4 5 6 7 8 9 10 Key...