2 System tour24
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Fan power connectors
The fan power connectors (CPUFAN and SYSFAN1-5) support system cooling fan
with +12V. When connecting the wire to the connectors, always note that the
red wire is the positive and should be connected to the +12V; the black wire is
ground and should be connected to GND.
Important: CPUFAN supports fan control. You can install Dual Core Center
utility that will automatically control the these fan speed according to the
actual CPU and system temperature. Fan/heat sink with 3 or 4 pins are both
available for CPUFAN.
Front panel connectors
The front panel connectors (F_PANEL1) are for electrical connection to the front
panel switches and LEDs.
F_PANEL1 front panel pin definition
PIN SIGNAL DESCRIPTION
1 Storage_LED + Hard disk LED pull-up
2 FP PWR/SLP MSG LED pull-up
3 Storage_LED - Hard disk active LED
4 FP PWR/SLP MSG LED pull-up
5 RST_SW - Reset Switch low reference pull-down to GND
6 PWR_SW+ Power Switch high reference pull-down to GND
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