Additional Usb 2.0 Port Headers; Internal Audio Connectors - Abit I-45C Installation Manual

1.7.3 Additional USB 2.0 Port Headers

Each header supports 2x additional USB 2.0 ports by connecting
bracket or cable to the rear I/O panel or the front-mounted USB ports
of your chassis.
Pin Pin Assignment
1 VCC
3 Data0 -
5 Data0 +
7 Ground
Make sure the connecting cable bears the same pin assignment.
※
10
Pin Pin Assignment
2 VCC
4 Data1 -
6 Data1 +
8 Ground
10 NC

1.7.4 Internal Audio Connectors

This connector connects to the audio output of internal CD-ROM drive
or add-on card.
I-45C/I-45CV