4
** ere are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications.
Activity / Link LED Speed LED
Status Description Status Description
O No Link Orange 100Mbps/1Gbps/2.5Gbps
connection
Blinking Data Activity
On Link Green 10Gbps connection
*** If you use a 2-channel speaker, please connect the speaker’s plug into “Front Speaker Jack”. See the table below
for connection details in accordance with the type of speaker you use.
Audio Output
Channels
Front Speaker
(No. 5)
Rear Speaker
(No. 3)
Central / Bass
(No. 2)
Line In
(No. 4)
2 V -- -- --
4 V V -- --
6 V V V --
8 V V V V
**** ACPI wake-up function is not supported on USB3_6 port.
To enable Multi-Streaming, you need to connect a front panel audio cable to the front
panel audio header. Aer restarting your computer, you will nd the “Mixer” tool on your
system. Please select “Mixer ToolBox” , click “Enable playback multi-streaming”, and
click “ok”. Choose “2CH”, “4CH”, “6CH”, or “8CH” and then you are allowed to select
“Realtek HDA Primary output” to use the Rear Speaker, Central/Bass, and Front Speaker,
or select “Realtek HDA Audio 2nd output” to use the front panel audio.
ACT/LINK LED
SPEED LED
LAN Port
USB3_6
Chapter 1 Introduction
ank you for purchasing ASRock Fatal1ty X399 Professional Gaming Series
motherboard, a reliable motherboard produced under ASRock’s consistently
stringent quality control. It delivers excellent performance with robust design
conforming to ASRock’s commitment to quality and endurance.
1.1 Package Contents
•
ASRock Fatal1ty X399 Professional Gaming Series Motherboard (ATX Form Factor)
•
ASRock Fatal1ty X399 Professional Gaming Series Quick Installation Guide
•
ASRock Fatal1ty X399 Professional Gaming Series Support CD
•
1 x I/O Panel Shield
•
4 x Serial ATA (SATA) Data Cables (Optional)
•
1 x ASRock 3-Way SLI Bridge Card (Optional)
•
1 x ASRock 4-Way SLI-S111 Bridge Card (Optional)
•
1 x ASRock SLI_HB_Bridge_3S Card (Optional)
•
2 x ASRock WiFi 2.4/5 GHz Antennas (Optional)
•
3 x Screws for M.2 Sockets (Optional)