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The P4X4-ALH Mainboard
Page 18
Hardware Installation
2.5.10. Front Audio Connector
Connector: CN39 (Front Audio)
Type: 10 pin
This connector is designed to be used with a Front-Utility Panel. The utility
panel was developed so that a user is able to bring the speaker out, micro-
phone in connectors to the front of their PC. This makes things like plugging in
speakers and earphones much less troublesome.
2.5.9. USB3, USB4, USB5, USB6 Connectors
Connector: CN30 (USB 3)/CN31 (USB 4)/CN32 (USB5)/CN38 (USB6)
Type: 5 pin
You already have two USB2.0 ports available, USB1 and 2 (see external con-
nectors). The internal USB connectors allow you to add on an optional kit to
expand the total number of USB ports available. The mainboard has four inter-
nal USB2.0 connectors (CN30/CN31/CN32/CN38). This enables you to use an
extra four USB devices. Cable for these additional connectors needs to be pur-
chased separately.
Note: The PIN assignment of the internal USB 2.0 connectors (CN30, CN31,
CN32 and CN38) are follow the specifications of Intel standard.
10
9
8
7
6
5
4
3
2
1
Pin
Pin
1 MIC-IN (Left) 2 Ground
3 MIC-IN (Right) 4 NC
5 LINE-OUT R 6 NC
7 NC 8 Key
9 LINE-OUT L 10 NC
Front Audio Connector
Top View of USB Ports Front View of USB Ports
7 Ground
5 Data+
3 Data-
1 VCC 2 VCC
4 Data-
6 Data+
8 Ground
10 NC
USB3/5 USB4/6
1 VCC
3 Data -
5 Data +
7 Ground
2 VCC
4 Data -
6 Data +
8 Ground
10 NC
USB3/5
USB4/6