Fan Power Connectors: Cpufan1, Sysfan1 & Nbfan1; Chassis Intrusion Switch Connector: Jci1; Cd-In Connector: Jcd1 - MSI MS-7250 K9N Platinum Series User Manual

M S-7250 M ainboard
Fan Power Connectors: CPUFAN1, SYSFAN1 & NBFAN1
The fan power connectors support system cooling fan with +12V. W hen connecting
the wire to the connectors, always take 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.
Control
SENSOR
+1 2V
GND
CPUFAN1
Important
1. Please refer to the recommended CPU fans at AMD
consult the vendors for proper CPU cooling fan.
2. Always consult the vendors for proper CPU cooling fan.
3. Fan/heatsink with 3 or 4 pins are both available for CPUFAN1. Please note
that only install 4 pins FAN/heatsing support Smart FAN.
4. CPUFAN1 supports fan control. You can install Core Center utility that will
automatically control the CPU fan speed according to the actual CPU
temperature.

Chassis Intrusion Switch Connector: JCI1

This connector connects to a 2-pin chassis switch. If the chassis is opened, the
switch will be short. The system will record this status and show a warning mes-
sage on the screen. To clear the warning, you must enter the BIOS utility and clear the
record.

CD-In Connector: JCD1

This connector is provided for CD-ROM audio.
2-14
SENSOR
+1 2V +1 2V
GND GND
SYSFAN1
CINTRU
1
GND
2
JCI1
JCD1
R
L
GND
NC
NBFAN1
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