User`s manual

MXGD Series CyberResearch

Motherboards

CN Pinouts:

See Table 4-22

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 4-20: USB Connector Pinout Locations

PIN NO. DESCRIPTION PIN NO. DESCRIPTION

1 VCC 2 GND

3 DATAN- 4 DATAM+

5 DATAN+ 6 DATAN-

7 GND 8 VCC

Table 4-22: USB Port Connector Pinouts

4.3 External Peripheral Interface Connectors

The external peripheral interface connectors on the back panel are connected to devices

externally when the MXGD is installed in a chassis. The peripheral connectors on the rear

panel are:

 1 x Keyboard/mouse connector

 1 x Parallel port connector

 2 x RJ-45 Ethernet connector