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Chapter 7: Motherboard Connections
TPM Header
The JTPM1 header is used to connect a Trusted Platform Module (TPM), which is available
from Supermicro. A TPM 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.
Trusted Platform Module Header
Pin Definitions
Pin#
Definition
Pin#
Definition
1
P3V3
2
SPI_TPM_CS_N
3
PCI-E_RESET_N#
4
SPI_PCH_MISO
5
SPI_PCH_CLK#
6
Ground
7
SPI_PCH_MOSI
8
N/A
9
JTPM1_P3V3A
10
IRQ_TPM_SPIN_N
M.2 Slot
The M2-1 connector is an M.2 slot for SSD storage. It is PCIe 4.0 x4 SSD in the 2280 form
factor with support of M-Key 2280.
RAID Key Header
A VROC RAID Key header is located at JRK1. It supports VMD used in creating optional
advanced NVMe RAID configurations. See the
RAID Key Header
Pin Definitions
Pin#
Definition
1
Ground
2
3.3V Standby
3
Ground
4
PCH_RAID_KEY
I-SATA 3.0 Port
(for SBI-420P-1T3N)
The motherboard has one SATA 3.0 port (I-SATA1), which is supported by the Intel C621A
PCH. Connect this port to the AOM-SB1-SATA31 add-on module.
HDD2 SATA Activity LED Connector
(for SBI-420P-1T3N)
JLED is a 3-pin connector used to indicate the status of HDD2 SATA Activity. Connect JLED
to the AOM-SB1-SATA31 add-on module to show HDD2 SATA activity.
