Owner's manual

IEI

Technology, Corp.

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 VCC 2 GND

3 DATA1- 4 DATA1+

5 DATA2+ 6 DATA2-

7 GND 8 VCC

Table 3-21: Internal USB 1.1 Connector Pinouts

Figure 3-19: Internal USB 1.1 Connector Location

3.2.19 Optional USB 2.0 Connectors

CN Label: USB1, USB2

CN Type: 8-pin header (2x4 pins)

CN Location: See Figure 3-20

CN Pinouts: See Table 3-22

Two 2x4 pin connectors provide connectivity to four USB 2.0 ports. The USB ports are

used for I/O bus expansion. The USB1 and USB2 connectors are only available on the

ROCKY-3786EVGU2-RS-R40 CPU board.