The 845G MAINBOARD Series
Page 18
Hardware Installation
Top View of USB Ports
Front View of USB Ports
2.4.9. S/PDIF Connector (optional)
Connector: CN36
Type: 4 pin un-housed
The motherboard comes with one internal S/PDIF connector which is a digital
interface that can be used to improve the quality of the output from your
system. Please make sure the Pin 1 location.
2.4.10. Front Audio Connector
Connector: CN39
Type: 10 pin
This connector should be used with the front utility panel. The utility panel
was developed so that the user is able to bring the Hear Phone OUT and
MIC-IN connectors to the front of their PC. This makes things like plugging in
speakers and earphones much less troublesome. Please make sure the Pin 1
location.
2.4.11. USB3/4 and USB5/6
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 in-
ternal 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
purchased separately.
Note: The PIN assignment of the internal USB 2.0 connectors (CN30, CN31,
CN32 and CN38) are follow the specifications of Intel standard.
9 Key
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 +
9 Key
7 Ground
2 VCC
4 Data -
6 Data +
8 Ground
10 NIC
USB3/5
USB4/6