Cpu Power Connector; Figure 4-5: +12 V Fan Connector Location; Table 4-6: +12 V Fan Connector Pinouts - IEI Technology WSB-9152 User Manual

WSB-9152 PICMG 1.0 SBC
The cooling fan connector provides a 12 V, 500mA current to a CPU cooling fan. The
connector has a "rotation" pin to get rotation signals from fans and notify the system so the
system BIOS can recognize the fan speed. Please note that only specified fans can issue
the rotation signals.

Figure 4-5: +12 V Fan Connector Location

PIN NO. DESCRIPTION
1 GND
2 +12 VCC
3 Rotation Signal
4 Control
Table 4-6: +12 V Fan Connector
Pinouts

4.2.5 CPU Power Connector

CN Label: CPU12 V1
CN Type: 4-pin ATX power connector (1x4)
See Figure 4-6
CN Location:
Page 47