Supermicro SuperServer 220U-TNR User Manual page 65

RAID Key Header
An Intel VROC RAID Key header is located at JRK1. It supports VMD used in creating optional
advanced NVMe RAID configurations.
Chassis Intrusion
A Chassis Intrusion header is located at JL1 on the motherboard. Attach the appropriate cable
from the chassis to the header to inform you when the chassis is opened.
4-pin BMC External I
2
A System Management Bus header for BMC is located at JIPMB1. Connect a cable to this
header to use the IPMB I
RAID Key Header
Pin Definitions
Pin# Definition
1 Ground
2 RAID_KEY_PU
3 Ground
4 PCH_RAID_KEY
Chassis Intrusion
Pin Definitions
Pins Definition
1 Intrusion Input
2 Ground
C Header
C connection on your system.
2
External I C Header
2
Pin Definitions
Pin# Definition
1 Data
2 Ground
3 Clock
4 No Connection
65
Chapter 4: Motherboard Connections
VROC Key
Note: This drawing is
for illustration only. Your
motherboard may look
different.
Header (JRK1)