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nVIDIA MCP78 Series User's Manual
3.4 FAN Power Connectors
These connectors each provide power to the cooling fans installed in your system.
CFAN or CFAN1: CPU Fan Power Connector
SYSFAN1/2: System Fan Power Connector
3.5 Front Panel Switches & Indicators Headers
SPEAKER
HDD_LED (Hard Driver LED Header)
Connect the HDD LED cable to these PINs, in order to see the HDD status
RESET (Reset Control)
This connector connects to the case-mounted reset switch for rebooting your computer
without having to turn off your power switch. This is a preferred method of rebooting in
order to prolong the lift of the system’s power supply.
PWR-ON (Power Button)
This connector connects to the case-mounted power switch to power ON/OFF the system.
SPEAKER (Speaker)
This 4-pin connector connects to the case-mounted speaker. You should follow the
instruction of the speaker cable.
These fan connectors are not jumpers. DO NOT place
jumper caps on these connectors.
CFAN or CFAN1
SFAN1
SFAN2
RCA_SL
C
RCA_SL
C
SYSFAN1/2
