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Chapter 4: Motherboard Connections
Chassis Intrusion
A Chassis Intrusion header is located at JL1 on the motherboard. Attach the appropriate cable
from the chassis to inform you of a chassis intrusion when the chassis is opened. Refer to
the table below for pin definitions.
Chassis Intrusion
Pin Definitions
Pin#
Definition
1
Intrusion Input
2
Ground
Serial General Purpose I/O Header
One S-SGPIO (Serial Link General Purpose Input/Output) header is at S-SGPIO1 on the
motherboard. Refer to the table below for pin definitions.
SGPIO Header
Pin Definitions
Pin#
Definition
Pin#
Definition
1
NC
2
NC
3
GND
4
Data
5
Load
6
GND
7
Clock
8
NC
NC = No Connection
General Purpose I/O Header
The JGP1 (General Purpose Input/Output) header is a general purpose I/O expander on a
pin header via the SMBus. Refer to the table below for pin definitions.
SGPIO Header
Pin Definitions
Pin#
Definition
Pin#
Definition
1
+5V Power 2
GND
3
GP0
4
GP1
5
GP2
6
GP3
7
GP5
8
GP5
9
GP6
10
GP7
NVMe I
2
C Header
JNVI2C1 is a management header for the Supermicro AOC NVMe PCI-E peripheral cards.
Connect a corresponding I
2
C cable to this header. Refer to the table below for pin definitions.
I
2
C Header
Pin Definitions
Pin#
Definition
1
PE_HP_SCL
2
Ground
3
PE_HP_SDA
4
PVCCIO