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Chapter 4: Motherboard Connections
SGPIO Headers
Two SGPIO (Serial General Purpose Input/Output) headers are available to communicate with
the enclosure management chip on the backplane. They support the onboard I-SATA 3.0 ports.
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
I-SGPIO 1/2
Support
I-SGPIO1
I-SATA 3.0 Ports 2-3
I-SGPIO2
I-SATA 3.0 Ports 4-7
Standby Power
The +5V Standby Power header is designated JSTBY1. You must have a card with a Standby
Power connector and a cable to use this feature.
Wake-On-LAN
Pin Definitions
Pin#
Definition
1
+5V Standby
2
Ground
3
NC
Disk-On-Module Power Connector
Two power connectors for SATA DOM (Disk On Module) devices are located at JSD1 and
JSD2. Connect appropriate cables here to provide power support for your SATA DOM devices.
DOM Power
Pin Definitions
Pin#
Definition
1
5V
2
Ground
3
Ground
4-pin BMC External I
2
C Header
A System Management Bus header for IPMI 2.0 is located at JIPMB1. Connect the appropriate
cable here to use the IPMB I
2
C connection on your system.
External I
2
C Header
Pin Definitions
Pin#
Definition
1
Data
2
GND
3
Clock
4
NC
