ASROCK H81 Pro BTC User Manual page 26

Serial ATA2 Connectors
(SATA2_0:
see p.9, No. 11)
(SATA2_1:
see p.9, No. 13)
Serial ATA3 Connectors
(SATA3_0:
see p.9, No. 12)
(SATA3_1:
see p.9, No. 14)
USB 2.0 Headers
(9-pin USB_2_3)
(see p.9, No. 17)
(9-pin USB_4_5)
(see p.9, No. 16)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.9, No. 22)
1. High Definition Audio supports Jack Sensing, but the panel wire on the chassis must
2. If you use an AC'97 audio panel, please install it to the front panel audio header by
22
SATA2_0
USB_PWR
1
USB_PWR
GND
1
MIC2_L
support HDA to function correctly. Please follow the instructions in our manual and
chassis manual to install your system.
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".
These two SATA2
connectors support SATA
data cables for internal
storage devices with up to
SATA2_1
3.0 Gb/s data transfer rate.
These two SATA3
SATA3_0
connectors support SATA
data cables for internal
storage devices with up to
SATA3_1
6.0 Gb/s data transfer rate.
Besides two USB 2.0 ports
on the I/O panel, there
P-
P+
GND
are two headers on this
DUMMY
motherboard. Each USB
2.0 header can support
GND
P+
P-
two ports.
This header is for
PRESENCE#
connecting audio devices
MIC_RET
OUT_RET
to the front audio panel.
OUT2_L
J_SENSE
OUT2_R
MIC2_R