Supermicro SuperServer E300-9D - Page 27

27
Chapter 3 Motherboard Connections
Serial General Purpose I/O Header
One S-SGPIO (Serial Link General Purpose Input/Output) header is on the motherboard.

SGPIO Header
Pin Denitions
Pin# Denition Pin# Denition
1 Clock2 2 Load2
3 GND 4 Data1
5 Load1 6 GND
7 Clock1 8 Data2
Power SMB (I
2
C) Header
The Power System Management Bus (I
2
C) connector (JPI
2
C1) monitors the power supply,

Power SMB Header
Pin Denitions
Pin# Denition
1 Clock
2 Data
3 PMBUS_Alert
4 Ground
5 NC
SMBus Header
A System Management Bus header for IPMI 2.0 is located at JIPMB1 (for IPMI only). Connect
the appropriate cable here to use the IPMB I
2
C connection on your system. Refer to the table

External I
2
C Header
Pin Denitions
Pin# Denition
1 Data
2 GND
3 Clock
OCuLink Connector
The X11SDV-4C-TLN2F includes an OCuLink connector, which can be used either for high-
performance storage connectivity via the NVMe interface or for additional SATA storage.

as four SATA ports or as a single U.2 NVMe port. NVMe provides lower data latency for
