TYAN TOLEDO I3010W Manual page 19

2.4.12 – FAN Headers
Use these headers to connect the 3-pin or 4-pin
cooling fans to your motherboard to keep the
system stable and reliable.
These connectors support the tachometer
monitoring and auto fan speed control.
FAN1: CPUFAN (4-pin)
FAN2,FAN3,FAN4,FAN5:System FAN (4-pin)
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