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Chapter 4: Motherboard Connections
4.2 Headers and Connectors
Fan Headers
There are eight 6-pin fan headers (FAN1 ~ FAN8) on the motherboard.
A fan speed control
is available by Thermal Management via the BMC interface. Refer to the table below for pin
definitions.
6-pin Fan Header
Pin Definitions
Pin#
Definition
1
Ground
2
3A/+12V
3
Tachometer
4
PWM_Control
5
3A/12V
6
Ground
Trusted Platform Module Header
Pin Definitions
Pin#
Definition
Pin#
Definition
1
+3.3V
2
SPI_CS#
3
RESET#
4
SPI_MISO
5
SPI_CLK
6
GND
7
SPI_MOSI
8
NC
9
+3.3V Stdby
10
SPI_IRQ#
TPM/Port 80 Header
A Trusted Platform Module (JTPM1)/ Port 80 header is located at JTPM1 to provide TPM
support and Port 80 connection. Use this header to enhance system performance and data
security. Refer to the table below for pin definitions. Please go to the following link for more
information on the TPM:
http://www.supermicro.com/manuals/other/TPM.pdf
.
NC-SI Connector
The NC-SI header (JNSCI) is used to connect a Network Interface Card (NIC) to the
motherboard which will allow the onboard BMC (Baseboard Controller) to communicate with
a network.