Supermicro SuperServer SYS-621H-TN12R User Manual page 77

RAID Key Header
An Intel VROC RAID Key header is located at JRK1. It supports VMD used in creating optional
advanced NVMe RAID configurations.
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
Baseboard Controller (BMC) to communicate with a network.
Note: For detailed instructions on how to configure NIC settings, refer to the Network
Interface Card Configuration User's Guide posted on the web page under the link:
supermicro.com/support/manuals/.
NVMe SMBus Headers
NVMe SMBus (I C) header (JNVI2C1), used for PCIe SMBus clock and data connections,
2
provides hot-plug support via a dedicated SMBus interface. This feature is only available for
a Supermicro complete system with an Supermicro proprietary NVMe add-on card and the
proper cable.
Chapter 4: Motherboard Connections
RAID Key Header
Pin Definitions
Pin# Definition
1 Ground
2 RAID_KEY_PU
3 Ground
4 PCH_RAID_KEY
VROC Key
Header (JRK1)
NVMe SMBus Header
Pin Definitions
Pin# Definition
1 Data
2 Ground
3 Clock
4 VCCIO
77
Note: This drawing is
for illustration only. Your
motherboard may look
different.
http://www.