User Guide

Table Of Contents
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
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
10 Ground
Make sure the connecting cable bears the same pin assignment.
2-16 AB9 Pro, AB9