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12
NEX 812 User Manual
Chapter 2: Jumpers and Connectors
Chassis Fan Connectors
Connector type: 1x4 4-pin header
Connector location: CHA_FAN1 and CHA_FAN2
Pin
Definition
Pin
Definition
1
GND
2
CHA FAN PWR
3
CHA FAN IN
4
+5V
1
4
1
7
2
8
BIOS Programmable Connector
Connector type: 2x4 8-pin header
Connector location: SPI_1
Pin
Definition
Pin
Definition
1
+V3.3SPI
2
GND
3
SPI_CS0#_F
4
SPI_CLK_F
5
SPI_SO_F
6
SPI_SI_F
7
NC
8
NC