Additional Usb 2.0 Port Headers; Additional Ieee1394 Port Header - Abit AB9 Pro User Manual

2.6.3 Additional USB 2.0 Port Headers

Besides the 4x USB 2.0 ports located at rear I/O part, this motherboard also features 2x more
USB 2.0 headers onboard. 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.
※ Make sure the connecting cable bears the same pin assignment.

2.6.4 Additional IEEE1394 Port Header

Each header supports 1x additional IEEE1394 port by connecting bracket or cable to the rear
I/O panel or the front-mounted IEEE1394 port of your chassis.
※ Make sure the connecting cable bears the same pin assignment.
2-16
Pin Pin Assignment
1 VCC
3 Data0 -
5 Data0 +
7 Ground
Pin Pin Assignment
1 TPA0 +
3 Ground
5 TPB0 +
7 +12V
Pin Pin Assignment
2 VCC
4 Data1 -
6 Data1 +
8 Ground
10 NC
Pin Pin Assignment
2 TPA0 -
4 Ground
6 TPB0 -
8 +12V
10 Ground
AB9 Pro, AB9