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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.
4-pin BMC External I
2
C Header
A System Management Bus header for the BMC is located at JIPMB1. Connect a cable to
this header to use the IPMB I
2
C connection on your system.
External I
2
C Header
Pin Definitions
Pin#
Definition
1
Data
2
Ground
3
Clock
4
No Connection
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.
Chassis Intrusion
Pin Definitions
Pins
Definition
1
Intrusion Input
2
Ground