USB 3.0 Headers
(19-pin USB3_8_9)
(see p.1 or 2, No. 15)
(19-pin USB3_10_11)
(see p.1 or 2, No. 16)
(USB3_12)
(see p.1 or 2, No. 13)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.1 or 2, No. 40)
1. High Definition 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 or 2, No. 25)
Vbus
Vbus
Vbus
IntA_PB_SSRX-
IntA_PA_SSRX-
IntA_PB_SSRX+
GND
IntA_PA_SSRX+
GND
IntA_PB_SSTX-
IntA_PA_SSTX-
IntA_PB_SSTX+
IntA_PA_SSTX+
GND
IntA_PB_D-
GND
IntA_PA_D-
IntA_PB_D+
IntA_PA_D+
Dummy
1
GND
PRESENCE#
MIC_RET
OUT_RET
1
OUT2_L
J_SENSE
OUT2_R
MIC2_R
MIC2_L
DUMMY
SPEAKER
1
+5V
DUMMY
Z87 OC Formula/ac / Z87 OC Formula
Besides four 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.
This header is for
connecting audio devices
to the front audio panel.
Please connect the chassis
speaker to this header.
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