19
USB 2.0 Headers
There are four USB 2.0 headers
(9-pin USB4_5/USB6_7/USB8_9/USB10_11: see p.8, No. 16)
and one port on this
motherboard. Each USB 2.0
header can support two USB 2.0
ports.
(USB12: see p.8, No. 17)
Chassis Intrusion Headers
This motherboard supports
(2-pin CI1/CI2: see p.8, No. 13)
CASE OPEN detection feature
that detects if the chassis cover
has been removed. This feature
requires a chassis with chassis
intrusion detection design.
CI1:
Close: Active case open
Open: Normal
Cl2:
Close: Normal
Open: Active case open
1
S
ig
n
a
l
G
N
D
Front Panel Audio Header
This is an interface for front
(9-pin HD_AUDIO1)
panel audio cable that allows
(see p.8 No. 23)
convenient connection and
control of audio devices.
J
_
S
E
N
S
E
O
U
T2
_
L
1
M
IC
_
R
E
T
P
R
E
S
E
N
C
E
#
G
N
D
O
U
T2
_
R
M
IC
2
_
R
M
IC
2
_
L
O
U
T_
R
E
T
3W Audio Amp Output Wafer
(4-pin SPEAKER1)
(see p.8, No. 22)
1
PIN
Signal Name
1
SPK R-
2
SPK R+
3
SPK L+
4
SPK L-
NC
GND
GND
+
-
PWR
+
-
PWR
1
