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SBC-659P
36 SBC-659P Installation GuideBC-599/596
CPU Fan power connectors (CN20)
Plug in the fan cable to the 3-pin fan connector onboard. The fan
connector is marked CN20.
CPU fan power connector (CN20)
Pin Signal
1 GND
2 +12V
3 Fan speed sensor
North bridge chip Fan Connector (CN21)
Plug in the North Bridge chip fan cable to the 2-pin fan connector.
CPU fan power connector (CN21)with no ACPI,APM function.
Pin Signal
1 GND
2 +12V