ASROCK M3N78D - V1.0 User Manual page 20

USB 2.0 Headers
(9-pin USB10_11)
(see p.10 No. 15)
(9-pin USB8_9)
(see p.10 No. 16)
(9-pin USB6_7)
(see p.10 No. 14)
Chassis Intrusion Header
(2-pin CI1)
(see p.10 No. 27)
Internal Audio Connectors
(4-pin CD1)
(CD1: see p.10, No. 26)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.10, 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:
Besides four default USB 2.0
USB_PWR
P-11
ports on the I/O panel, there are
P+11
GND
DUMMY
three USB 2.0 headers on this
1
motherboard. Each USB 2.0
GND
header can support two USB
P+10
P-10
USB_PWR
2.0 ports.
USB_PWR
P-9
P+9
GND
DUMMY
1
GND
P+8
P-8
USB_PWR
USB_PWR
P-7
P+7
GND
DUMMY
1
GND
P+6
P-6
USB_PWR
This motherboard supports
CASE OPEN detection feature
1
that detects if the chassis cover
GND
Signal
has been removed. This feature
requires a chassis with chassis
intrusion detection design.
This connector allows you
to receive stereo audio input
CD1
from sound sources such as
a CD-ROM, DVD-ROM, TV
tuner card, or MPEG card.
This is an interface for the front
GND
PRESENCE#
MIC_RET
panel audio cable that allows
OUT_RET
convenient connection and
1
control of audio devices.
OUT2_L
J_SENSE
OUT2_R
MIC2_R
MIC2_L
2 0 2 0 2 0 2 0 2 0