USB 2.0 Headers
(9-pin USB6_7)
(see p.2 No. 17)
(9-pin USB4_5)
(see p.2 No. 15)
Print Port Header
(25-pin LPT1)
(see p.2 No. 24)
Internal Audio Connector
(4-pin CD1)
(CD1: see p.2 No. 22)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.2 No. 23)
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.
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 HD audio panel only. You don't
need to connect them for AC'97 audio panel.
1 6
1 6
1 6
1 6
1 6
CD1
ASRock G31M-VS2 Motherboard
Besides four default USB 2.0
ports on the I/O panel, there are
two USB 2.0 headers on this
motherboard. Each USB 2.0
header can support two USB
2.0 ports.
This is an interface for print
port cable that allows
convenient connection of printer
devices.
This connector allows you
to receive stereo audio input
from sound sources such as
a CD-ROM, DVD-ROM, TV
tuner card, or MPEG card.
This is an interface for front
panel audio cable that allows
convenient connection and
control of audio devices.