User`s 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.
Pin Pin Assignment Pin Pin Assignment
1 VCC 2 VCC
3 Data0 - 4 Data1 -
5 Data0 + 6 Data1 +
7 Ground 8 Ground
9 NC 10 NC
※ 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.
Pin Pin Assignment Pin Pin Assignment
1 TPA0 + 2 TPA0 -
3 Ground 4 Ground
5 TPB0 + 6 TPB0 -
7 +12V 8 +12V
9 NC 10 Ground
※ Make sure the connecting cable bears the same pin assignment.
2-16 AB9 Pro, AB9