Chapter 2: Hardware installation | 15
B350GT3 & X370GT3
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.
PANEL1: Front Panel Header
This 16-pin header includes Power-on, Reset, HDD LED, Power LED, and speaker connection.
Pin Assignment Function
Pin Assignment
Function
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
button
15 Power button Power-on
button
8
Reset control
16 Ground
SATA3_1/3_2/3_3/3_4: Serial ATA 6.0 Gb/s Connectors
These connectors connect to SATA hard disk drives via SATA cables.
Pin Assignment
1
Ground
2
TX+
3
TX-
4
Ground
5
RX-
6
RX+
7
Ground
Summary of Contents for B350GT3
Page 6: ...6 Chapter 1 Introduction 1 5 Motherboard Layout Note represents the 1st pin...
Page 39: ...FCC FCC 15 Class B BIOSTAR BIOSTAR BIOSTAR CE 2004 108 CE 2006 95 CE 1999 05 CE...
Page 41: ...3 B350GT3 X370GT3 1 1 0 45 1 2 Serial ATA x4 ATX I O x1 x1 x1...
Page 44: ...6 1 5 1...
Page 45: ...7 B350GT3 X370GT3 2 1 CPU 1 CPU 2 90 3 CPU CPU...
Page 46: ...8 4 CPU CPU 2 2 A 1 2...
Page 47: ...9 B350GT3 X370GT3 B 1 2 CPU CPU CPU CPU...
Page 56: ...18 2 8 LED LED LED RACING GT 3 3 1 RGB LED 2 MOSFET LED 3 LED x7...
Page 62: ...24 UEFI BIOS eHot Line eHot Line Send Send Do Not Send Save As...
Page 64: ...26 UEFI BIOS RACING GT Utility RACING GT 1 2 3 4...
Page 67: ...UEFI BIOS 29 B350GT3 X370GT3 1 CPU 2 3 CPU 4 CPU 5 6 7...