IEI Integration IMBA-9454 v4.02 - Manual (Page 60)

IMBA-9454G Motherboard
Page 42
The digital input/output connector is managed through a Super I/O chip. The DIO
connector pins are user programmable.
Figure 4-8: DIO Connector Locations
PIN DESCRIPTION PIN DESCRIPTION
1 GND 2 PWR (+5V)
3 XOUT0 4 XOUT1
5 XOUT3 6 XOUT4
7 XIN0 8 XIN1
9 XIN2 10 XIN3
Table 4-9: DIO Connector Pinouts
4.2.8 Fan Connectors
CN Label: FAN1, FAN2, FAN3
CN Type:
FAN1: 4-pin wafer connector
FAN1, FAN2: 3-pin wafer connector
CN Location: See Figure 4-9
CN Pinouts: See Error! Reference source not found.
The FAN1, FAN2 and FAN3 cooling fan connectors provide a 12V current to the cooling
fans. The connector has a "rotation" pin to get rotation signals from the fan and notify the
system so the system BIOS can recognize the fan speed. Please note that only certain
fans can issue the rotation signals.