ASROCK X99 OC Formula/3.1 Manual Del Usuario página 26

USB 3.0 Headers
(19-pin USB3_7_8)
(see p.1, No. 18)
(19-pin USB3_9_10)
(see p.1, No. 21)
(USB3_11)
(see p.1, No. 19)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.1, No. 45)
1. High Deinition Audio supports Jack Sensing, but the panel wire on the chassis must sup-
port HDA to function correctly. Please follow the instructions in our manual and chassis
manual to install your system.
2. If you use an AC'97 audio panel, please install it to the front panel audio header by the
steps below:
A. Connect Mic_IN (MIC) to MIC2_L.
B. Connect Audio_R (RIN) to OUT2_R and Audio_L (LIN) to OUT2_L.
C. Connect Ground (GND) to Ground (GND).
D. MIC_RET and OUT_RET are for the HD audio panel only. You don't need to connect
them for the AC'97 audio panel.
E. To activate the front mic, go to the "FrontMic" Tab in the Realtek Control panel and
adjust "Recording Volume".
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.1, No. 32)
24
Vbus Vbus
Vbus IntA_PB_SSRX-
IntA_PB_SSRX+
IntA_PA_SSRX-
IntA_PA_SSRX+ GND
IntA_PB_SSTX-
GND
IntA_PA_SSTX-
IntA_PB_SSTX+
IntA_PA_SSTX+
GND
GND IntA_PB_D-
IntA_PA_D- IntA_PB_D+
IntA_PA_D+ Dummy
1
GND
PRESENCE#
MIC_RET
OUT_RET
1
O U T 2 _ L
J _ S E N S E
OUT2_R
MIC2_R
MIC2_L
DUMMY SPEAKER
1
+5V DUMMY
Besides six USB 3.0 ports
on the I/O panel, there
are two headers and one
port on this motherboard.
Each USB 3.0 header can
support two ports.
his header is for
connecting audio devices
to the front audio panel.
Please connect the chassis
speaker to this header.