Nvidia MS-7374 - Manual (Page 28)

2-14
M S-7374 M ainboard
Important
1. Please refer to the recommended CPU fans at processor ’s official website
or consult the vendors for proper CPU cooling fan.
2. CPUFAN1 supports fan control. You can install Dual Core Center utility
that will automatically control the CPU fan speed according to the actual
CPU temperature.
3. Fan/heatsink with 3 or 4 pins are both available for CPUFAN1.
Fan Power Connectors: CPUFAN1, SYSFAN1/ 2/ 3/ 4
The fan power connectors support system cooling fan with +12V. W hen 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.
If the mainboard has a System Hardware Monitor chipset on-board, you must use a
specially designed fan with speed sensor to take advantage of the CPU fan control.
SYSFAN1/2/3
NC or Sensor
+12V
GND
CONTROL
CPUFAN1
SENSOR
+12V
GND
SYSFAN4
N
C
+
1
2
V
G
N
D
SPDOUT1
SPDIF GND
SPDIF-Out Connector: SPDOUT1 (optional, for HDMI graphics card only)
This connector is used to connect S/PDIF (Sony & Philips Digital Interconnect Format)
interface for digital audio transmission to the HDMI graphics card.