IBM 3301690 - page 40

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 PI N DESCRIPTION
1 VCC 2 GND
3 DATA- 4DATA+
5 DATA+ 6DATA-
7 GND 8VCC
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 3-8
CN Pinouts: See Table 3-7
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