IEI Integration PCIE-Q57A - Manual (Page 31)

PCIE-Q57A PICMG 1.3 CPU Card
Page 19
3.2.4 Fan Connector (CPU)
CN Label: CPU_FAN1 and CPU_FAN2
CN Type: 4-pin wafer (1x4)
CN Location: See Figure 3-5
CN Pinouts: See Table 3-6
The fan connector attaches to a CPU cooling fan.
Figure 3-5: CPU Fan Connector Location
Pin Description
1 GROUND
2 +12V
3 Rotation Signal
4 PWM Control Signal
Table 3-6: CPU Fan Connector Pinouts
3.2.5 Floppy Disk Connector
CN Label: FDD1
CN Type: 34-pin header (2x17)
CN Location: See Figure 3-6
CN Pinouts: See Table 3-7
The floppy disk connector is connected to a floppy disk drive.