ASROCK B550M-ITX/ac Bedienungsanleitung Seite 33

Serial ATA3 Connectors
(SATA3_1_3:
see p.1, No. 7)
(SATA3_2_4:
see p.1, No. 8)
USB 2.0 Headers
(9-pin USB_3_4)
(see p.1, No. 11)
USB 3.2 Gen1 Header
(19-pin USB3_4_5)
(see p.1, No. 9)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.1, No. 15)
1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis
must support 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".
DUMMY
GND GND
P+
P+
P- P-
USB_PWR USB_PWR
1
1
Dummy IntA_PA_D+
IntA_PB_D+ IntA_PA_D-
IntA_PB_D- GND
GND
IntA_PA_SSTX+
IntA_PB_SSTX+
IntA_PA_SSTX-
IntA_PB_SSTX- GND
GND IntA_PA_SSRX+
IntA_PB_SSRX+ IntA_PA_SSRX-
IntA_PB_SSRX-
V Vbus
Vbus V
OUT_DETECT OUT L
AGND_A
MIC2_DETECT
OUT R
N/A
MIC2-R
AGND_A
MIC2-L
1
These four SATA3
connectors support SATA
data cables for internal
storage devices with up to
6.0 Gb/s data transfer rate.
There is one header on
this motherboard. This
USB 2.0 header can
support two ports.
There is one header on
this motherboard. This
USB 3.2 Gen1 header can
support two ports.
This header is for
connecting audio devices
to the front audio panel.
B550M-ITX/ac
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