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Chapter 4: Motherboard Connections
NC-SI Header for IPMI Support
Pin Denitions
Pin# Denition Pin# Denition
1 CLK_50MHz 2 Ground
3 NCSI_CRS_DV 4 Ground
5 NCSI_RXD0 6 Ground
7 NCSI_RXD1 8 Ground
9 NCSI_TXD0 10 Ground
11 NCSI_TXD1 12 Ground
13 NCSI_TX_EX 14 NCSI_PRESENT_N
15 NC 16 NC
17 5V STBY 18 5V STBY
19 5V STBY 20 5V STBY
21 5V STBY 22 NC
Inlet Sensor Header
This header (JSEN1) allows BMC to monitor thermal inlet temperature. A special module is
required. Please contact Supermicro at www.supermicro.com to purchase the module for this
HFI Debug Port for Fabric CPU (JTAG_HFI1)
This connector (JTAG_HFI1) is the JTAG port and provides miscellaneous signals connectivity
Inlet Sensor Header
Pin Denitions
Pin# Denition
1 SMBDAT
2 Ground
3 SMBCLK
4 3.3V STBY
HFI Debug Port for Fabric CPU
Pin Denitions
Pin# Denition Pin# Denition
1 CD_TCK 2 Ground
3 CD_TDO 4 VCCH
5 CD_TMS 6 CD_TRST_N
7 CPU_PWRGD 8 NC
9 CD_TDI 10 Ground