Intel DG33FB Product Guide - Page 33

Connecting the Processor Fan Heat Sink Cable, Processor Fan Header

Page 33 highlights

Installing and Replacing Desktop Board Components Connecting the Processor Fan Heat Sink Cable Connect the processor fan heat sink cable to the 4-pin processor fan header (see Figure 12). A fan with a 4-pin connector as shown in Figure 12, A is recommended; however, a fan with a 3-pin connector (Figure 12, B) can be used. However, since a fan with a 3-pin connector cannot use the onboard fan control, the fan will always operate at full speed. Figure 12. Connecting the Processor Fan Heat Sink Cable to the Processor Fan Header 33

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Installing and Replacing Desktop Board Components
33
Connecting the Processor Fan Heat Sink Cable
Connect the processor fan heat sink cable to the 4-pin processor fan header (see
Figure 12).
A fan with a 4-pin connector as shown in Figure 12, A is recommended;
however, a fan with a 3-pin connector (Figure 12, B) can be used.
However, since a
fan with a 3-pin connector cannot use the onboard fan control, the fan will always
operate at full speed.
Figure 12.
Connecting the Processor Fan Heat Sink Cable to the
Processor Fan Header