INSTALLATIONS

CN7: USB and LAN RJ45 Connectors

CN7 consists of an RJ-45 connector (top) and two stacked USB ports. Refer to the section below for their respective pin assignments.

USB0

USB1

Pin #

Signal Name

1

Vcc

2

USB-

3

USB+

4

Ground

CN8: Audio Connector

CN8 is a 3-jack audio connector beside the

USB/RJ45 combo connector.

J1: IrDA Connector

J1 is used for an optional IrDA connector for wireless communication.

Pin #

Signal Name

1

+5V

2

No connect

3

Ir RX

4

Ground

5

Ir TX

J4: CD-In Audio Connector

Pin #

Signal Name

1

CD Audio R

2

Ground

3

Ground

4

CD Audio L

16

MB820 User’s Manual

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Intel MB820 user manual CN7 USB and LAN RJ45 Connectors, CN8 Audio Connector, J1 IrDA Connector, J4 CD-In Audio Connector