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Chapter 4: Motherboard Connections
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 (TPM)/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
.
Power SMB (I
2
C) Header
The Power System Management Bus (I
2
C) connector (JPI2C1) monitors the power supply,
fan, and system temperatures. Refer to the table below for pin definitions.
Power SMB Header
Pin Definitions
Pin#
Definition
1
Clock
2
Data
3
PMBUS_Alert
4
Ground
5
+3.3V
4-pin BMC External I
2
C Header
A System Management Bus header for BMC is located at JIPMB1. Connect the appropriate
cable here to use the IPMB I
2
C connection on your system. Refer to the table below for pin
definitions.
External I
2
C Header
Pin Definitions
Pin#
Definition
1
Data
2
Ground
3
Clock
4
No Connection