Chapter 5: Advanced Motherboard Setup
5-15
Serial Link General-Purpose Header
(SGPIO)
Pin Denitions
Pin# Denition Pin Denition
1 NC 2 NC
3 Ground 4 DATA Out
5 Load 6 Ground
7 Clock 8 NC
Serial Link I/O Header
The Serial Link General Purpose
Input/Output (SGPIO) header is used
to communicate with the enclosure
management chip in the system.
See the table on the right for pin
denitions.
GPIO Expander
Pin Denitions
Pin# Denition Pin Denition
1 P3V3 2 GND
3 GP0 4 GP1
5 GP2 6 GP3
7 GP5 8 GP5
9 GP6 10 GP7
General Purpose I/O Header
The JGP1 header is a general purpose
I/O on a pin header. See the table on
the right for pin denitions.
NVMe I2C Header
Connector JNVI2C is a management header for the Supermicro AOC NVMe PCI-E
peripheral cards. Connect it with the I2C cable.
Power SMB (I2C) Header
The Power System Management Bus
header at JPI2C1 monitors the power
supply and the system temperature.
Standby Power
Pin Denitions
Pin# Denition
1 +5V standby
2 Ground
3 No connection
System Management Bus Header
The System Management Bus header
for additional slave devices or sensors
is located as JSMB1.
SMBus Power
Pin Denitions
Pin# Denition
1 Data
2 Ground
3 Clock