beautypg.com

5 fan connectors, cpu and northbridge, Table 3-6: digital i/o connector pinouts – IEI Integration IMBA-Q454 v1.00 User Manual

Page 37

background image

IMBA-Q454-R10 User Manual

Page 37

PIN NO. DESCRIPTION

PIN NO. DESCRIPTION

5

Output 1

6

Output 0

7

Input 3

8

Input 2

9

Input 1

10

Input 0

Table 3-6: Digital I/O Connector Pinouts

3.2.5 Fan Connectors, CPU and Northbridge

CN Label:

CPU_FAN1, NB_FAN1

CN Type:

4-pin header

CN Location:

See

8

Figure 3-6

CN Pinouts:

See

8

Table 3-7

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 3-6: CPU and Northbridge Fan Connectors Location