Chapter 4: Motherboard Connections
4.3 Headers and Connectors
Fan Headers
There are thirteen 4-pin fan headers (FAN1 - FAN10: CPU). Fan speed control for these fans
4-pin Fan Header
Pin Denitions
Pin# Denition
1
Tachometer
4
TPM Header
The JTPM1 header is used to connect a Trusted Platform Module (TPM)/Port 80, which is an
option available from Supermicro. A TPM/Port 80 connector is a security device that supports
encryption and authentication in hard drives. It allows the motherboard to deny access if the
TPM associated with the storage drive is not installed in the system. For more information
on the TPM: www.supermicro.com/manuals/other/TPM.pdf.
Trusted Platform Module/Port 80 Header
Pin Denitions
Pin# Denition Pin# Denition
1 SPI_TPM_CS_N
PCIe_RESET_N# 4
5 6
7 8 N/A
10 IRQ_TPM_SPIN_N
BMC External I
2
C Header
C connection on your system. Refer to the layout for the location of
NC-SI Connector
The Network Controller Sideband Interface (NC-SI) connector is located at JNCSI1. This is
used to connect a Network Interface Card (NIC) to the motherboard to allow the onboard
Note
http://www.
supermicro.com/support/manuals/.