Instruction Manual

IMBA-9454 Motherboard
Page 69
4.2.23 USB Connectors (Internal)
CN Label:
USB3, USB4
CN Type:
8-pin header (2x4)
CN Location:
See Figure 4-24
CN Pinouts:
See Table 4-26
The 2x4 USB pin connectors each provide connectivity to two USB 1.1 or two USB 2.0
ports. Each USB connector can support two USB devices. Additional external USB ports
are found on the rear panel. The USB ports are used for I/O bus expansion.
Figure 4-24: USB Connector Pinout Locations
PIN DESCRIPTION PIN DESCRIPTION
1 PWR (+5V) 2 GND
3 USBPB- 4 USBPB+
5 USBPA+ 6 USBPB-
7 GND 8 PWR (+5V)
Table 4-26: USB Port Connector Pinouts