MSI NVIDIA MS-7504PV - Manual (Page 23)

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Hardware Setup
Serial ATA Connector: SATA1/ SATA2/ SATA3/ SATA4
This connector is a high-speed Serial ATA interface port. Each connector can con-
nect to one Serial ATA device.
Please do not fold the Serial ATA cable into 90-degree angle. Otherwise,
data loss may occur during transmission.
Fan Power Connectors: CPUFAN, SYSFA N
The fan power connectors 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.
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.
Connectors
Important
S ATA 3
S ATA 2
S ATA 1
S ATA 4
SYSFA N
S E N S O R
+12V
G N D
Control
CPUFA N
S E N S O R
+12V
G N D
C O N T R O L