Biostar Z490GTA Manual page 15

ATX_12V_2X2: ATX Power Source Connector
This connector will provide +12V to CPU power circuit.
ATX_12V_2X4: 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 ATX_12V_2X4.
Note
» Before you power on the system, please make sure that both ATX, ATX_12V_2X2 and ATX_12V_2X4
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.
F_PANEL: Front Panel Header
This 16-pin header includes Power-on, Reset, HDD LED, Power LED, and speaker connection.
Pin Assignment
1 +12V
2 +12V
3 Ground
4 Ground
Pin Assignment
1 +12V
2 +12V
3 +12V
4 +12V
5 Ground
6 Ground
7 Ground
8 Ground
Pin Assignment Function
1 +5V
3 N/A
Speaker
5 N/A Connector
7 Speaker
9 HDD LED (+) Hard drive
11 HDD LED (-) LED
13 Ground
Reset
15 Reset control button
Chapter 2: Hardware installation | 15
Z490GTA
Pin Assignment Function
2 N/A
N/A
4 N/A
6 N/A N/A
8 Power LED (+)
Power
10 Power LED (+)
LED
12 Power LED (-)
14 Power button Power-on
16 Ground button