Supermicro SuperBlade SBS-820H-420P User Manual page 73

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.
Pin#
1
3
5
7
9
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
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.
Trusted Platform Module Header
Pin Definitions
Definition Pin# Definition
P3V3 2 SPI_TPM_CS_N
PCI-E_RESET_N# 4 SPI_PCH_MISO
SPI_PCH_CLK# 6 Ground
SPI_PCH_MOSI 8 N/A
JTPM1_P3V3A 10 IRQ_TPM_SPIN_N
VROC section
RAID Key Header
Pin Definitions
Pin# Definition
1 Ground
2 3.3V Standby
3 Ground
4 PCH_RAID_KEY
73
Chapter 7: Motherboard Connections
for details.