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USB 2.0 Headers
(9-pin USB4_5/USB6_7/USB8_9/USB10_11: see p.8, No. 16)
(USB12: see p.8, No. 17)
Chassis Intrusion Headers
(2-pin CI1/CI2: see p.8, No. 13)
Front Panel Audio Header
(9-pin HD_AUDIO1)
(see p.8 No. 23)
3W Audio Amp Output Wafer
(4-pin SPEAKER1)
(see p.8, No. 22)
PWR
-
+
GND
NC
1
GND
+
-
PWR
1
19
There are four USB 2.0 headers
and one port on this
motherboard. Each USB 2.0
header can support two USB 2.0
ports.
This motherboard supports
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
This is an interface for front
panel audio cable that allows
convenient connection and
control of audio devices.
PIN
Signal Name
1
2
3
4
SPK R-
SPK R+
SPK L+
SPK L-
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