Biostar X470GTQ User Manual

14 | Chapter 2: Hardware installaon
BIOS_SW1: Dual BIOS Switch
The Dual BIOS Switch allows you to choose one of the BIOS ROMs (ROM1/ROM2) for boot up.
Main BIOS (ROM1) Enabled
The LED indicator (ROM1_LED) will light
and the Main BIOS is enabled.
Backup BIOS (ROM2) Enabled
The LED indicator (ROM2_LED) will light
and the Backup BIOS is enabled.
Note
»
 Donotusethisswitchwhenyoursystemispower-on.

»
BeforeashingBIOSROMs,pleasemakesurethisswitchissettotheBIOSROMwhichyouwantto
update.
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

Biostar X470GTQ Specifications

General

Brand	Biostar
Model	X470GTQ
Category	Motherboard
Language	English