Gigabyte B550 AORUS PRO AC User Manual page 13

USB 3.2 Gen 1 Port
The USB 3.2 Gen 1 port supports the USB 3.2 Gen 1 specification and is compatible to the USB 2.0
specification. Use this port for USB devices.
USB 3.2 Gen 1 Port (Q-Flash Plus Port)
The USB 3.2 Gen 1 port supports the USB 3.2 Gen 1 specification and is compatible to the USB 2.0
specification. Use this port for USB devices. Before using Q-Flash Plus
USB flash drive into this port first.
Q-Flash Plus Button
Q-Flash Plus allows you to update the BIOS when your system is off (S5 shutdown state). Save the latest
BIOS on a USB thumb drive and plug it into the Q-Flash Plus port, and then you can now flash the BIOS
automatically by simply pressing the Q-Flash Plus button. The QFLED will flash when the BIOS matching
and flashing activities start and will stop flashing when the BIOS flashing is complete.
USB 3.2 Gen 2 Type-A Port (Red)
The USB 3.2 Gen 2 Type-A port supports the USB 3.2 Gen 2 specification and is compatible to the USB
3.2 Gen 1 and USB 2.0 specification. Use this port for USB devices.
RJ-45 LAN Port
The Gigabit Ethernet LAN port provides Internet connection at up to 2.5 Gbps data rate. The following
describes the states of the LAN port LEDs.
Connection/
Connection/Speed LED:
Speed LED Activity LED
LAN Port
USB Type-C Port
™
The reversible USB port supports the USB 3.2 Gen 2 specification and is compatible to the USB 3.2 Gen 1
and USB 2.0 specification. Use this port for USB devices.
Center/Subwoofer Speaker Out
Use this audio jack to connect center/subwoofer speakers.
Rear Speaker Out
Use this audio jack to connect rear speakers.
Optical S/PDIF Out Connector
This connector provides digital audio out to an external audio system that supports digital optical audio.
Before using this feature, ensure that your audio system provides an optical digital audio in connector.
Line In/Side Speaker Out
The line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.
Line Out/Front Speaker Out
The line out jack. This jack supports audio amplifying function. For better sound quality, it is recommended
that you connect your headphone/speaker to this jack (actual effects may vary by the device being used).
Mic In/Side Speaker Out
The Mic in jack.
(Note 1) Only for the B550 AORUS PRO AC.
(Note 2) For new Generation AMD Ryzen
(Note 3) To enable the Q-Flash Plus function please visit the "Unique Features" webpage of GIGABYTE's
website.
(Note 3)
State Description
Orange 2.5 Gbps data rate
Green 1 Gbps data rate
Off 100 Mbps data rate
with Radeon Graphics processors only.
™ ™
- 13 -
, make sure to insert the
(Note 3)
Activity LED:
State Description
Blinking Data transmission or receiving is occurring
Off No data transmission or receiving is occurring