Cooling Fan; Figure 3-7: Usb Port Connector Location; Table 3-6: Usb Port Connector Pinouts - IBM 3301690 User Manual

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
1 VCC
3 DATA-
5 DATA+
7 GND

Table 3-6: USB Port Connector Pinouts

Figure 3-7: USB Port Connector Location

3.2.7 Cooling Fan

CN Label:
CN Type:
CN Location:
CN Pinouts:
40
PIN DESCRIPTION
2 GND
4 DATA+
6 DATA-
8 VCC
CPU_FAN1
1x3 pin header
See Figure 3-8
See Table 3-7