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RAID Key Header
A RAID Key header is located at JRK1 on the motherboard. The RAID key is used to support
onboard NVMe connections.
SGPIO Header
The T-SGPIO3 (Serial General Purpose Input/Output) header is used to communicate with
the enclosure management chip on the back panel.
Standby Power
The Standby Power header is located at JSTBY1 on the motherboard. You must have a card
with a Standby Power connector and a cable to use this feature. Refer to the table below
for pin definitions.
Power SMB (I
C) Header
2
The Power System Management Bus (I
fan, and system temperatures. Refer to the table below for pin definitions.
Intel RAID Key
Pin Definitions
Pins
Definition
1
GND
2
PU 3.3V Stdby
3
GND
4
PCH RAID KEY
SGPIO Header
Pin Definitions
Pin#
Definition
Pin#
Definition
1
NC
2
NC
3
Ground
4
DATA Out
5
Load
6
Ground
7
Clock
8
NC
NC = No Connection
Standby Power
Pin Definitions
Pin#
Definition
1
+5V Standby
2
Ground
3
No Connection
C) connector (JPI
2
Power SMB Header
Pin Definitions
Pin#
Definition
1
Clock
2
Data
3
PMBUS_Alert
4
Ground
5
+3.3V
43
Chapter 4: Motherboard Connections
C1) monitors the power supply,
2
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