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Chapter 4: Motherboard Connections
RAID Key Header
An Intel VROC RAID Key header is located at JRK1. It supports VMD used in creating optional
advanced NVMe RAID configurations.
RAID Key Header
Pin Definitions
Pin#
Definition
1
Ground
2
RAID_KEY_PU
3
Ground
4
PCH_RAID_KEY
VROC Key
Header (JRK1)
Note
: This drawing is
for illustration only. Your
motherboard may look
different.
NC-SI Header for IPMI Support
A Network Controller Sideband Interface (NC-SI) header is located at JNCSI1. For remote
management, connect the appropriate cable from this header to an add-on card to provide the
out-of-band (sideband) connection between the onboard Baseboard Management Controller
(BMC) and a Network Interface Controller (NIC). Use a NIC add-on card that supports NC-
SI and a special cable. Please contact Supermicro at
to purchase the
cable for this header.
M.2 Slots
The motherboard has one M.2 SSD slot, M.2-H. It supports a PCIe 3.0 x4/SATA (32 Gb/s)
SSD card in the 2280 and 22110 form factors.
SMB (I
2
C) for LCD Connector
The connector used for System Management Bus (I
2
C) for LCD devices is located at JI2C_
FP1. Connect a cable here to provide health monitoring and management for LCD devices.
SMB (I
2
C) for LCD Connector
The JI2C_EXP1 connector is used for System Management Bus (I2C) for the devices installed
on the SAS3 backplanes. Connect appropriate cables to the connector for SAS3 health
monitoring and system management.
Figure 4-2. Installing the VROC RAID Key