English – ASRock 990FX Extreme9 User Manual
Page 28

28
ASRock 990FX Extreme9 Motherboard
English
USB 3.0 Headers
Besides four default USB 3.0
(19-pin USB3_4_5)
ports on the I/O panel, there are
(see p.2 No. 12)
two USB 3.0 headers on this
motherboard. Each USB 3.0
header can support two USB
3.0 ports.
(19-pin USB3_6_7)
(see p.2 No. 11)
Infrared Module Header
This header supports an
(5-pin IR1)
optional wireless transmitting
(see p.2 No. 32)
and receiving infrared module.
(9-pin USB6_7)
(see p.2 No. 25)
Front Panel Audio Header
This is an interface for the front
(9-pin HD_AUDIO1)
panel audio cable that allows
(see p.2 No. 34)
convenient connection and
control of audio devices.
J_SENSE
OUT2_L
1
MIC_RET
PRESENCE#
GND
OUT2_R
MIC2_R
MIC2_L
OUT_RET
1. High Definition Audio supports Jack Sensing, but the panel wire on
the chassis must support HDA to function correctly. Please follow the
instruction in our manual and chassis manual to install your system.
2. If you use AC’97 audio panel, please install it to the front panel audio
header as below:
A. Connect Mic_IN (MIC) to MIC2_L.