
3301690 CPU Card
Three 2x4 pin connectors provide connectivity to six USB 2.0 ports. An additional USB port is found on the rear panel. The USB ports are used for I/O bus expansion and can be connected to peripheral USB devices.
| PIN | DESCRIPTION | PIN | DESCRIPTION | 
| 1 | VCC | 2 | GND | 
| 
 | 
 | 
 | 
 | 
| 3 | DATA- | 4 | DATA+ | 
| 
 | 
 | 
 | 
 | 
| 5 | DATA+ | 6 | DATA- | 
| 
 | 
 | 
 | 
 | 
| 7 | GND | 8 | VCC | 
Table 3-6:  USB Port Connector Pinouts
Figure 3-7:  USB Port Connector Location
3.2.7 Cooling Fan
| CN Label: | CPU_FAN1 | 
| CN Type: | 1x3 pin header | 
| CN Location: | See Figure  | 
| CN Pinouts: | See Table  | 
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