57
Chapter 4: Motherboard Connections
SGPIO Headers
The I-SGPIO1 (Serial General Purpose Input/Output) header is used to communicate with
the enclosure management chip on the backplane.
SGPIO Header
Pin Definitions
Pin#
Definition
Pin#
Definition
1
NC
2
NC
3
Ground
4
DATA Out
5
Load
6
Ground
7
Clock
8
No connection
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.
Standby Power
Pin Definitions
Pin#
Definition
1
+5V Standby
2
Ground
3
No Connection
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.
Chassis Intrusion
Pin Definitions
Pin#
Definition
1
Intrusion Input
2
Ground
M.2 Slot
One M.2 slot provides the option for an internal solid state storage device (SSD). It supports
M Key 2242/2280 in a PCI-E 3.0 x4 or SATA interface for native PCI-E SSD support.
Micro SD Card
There is a Micro SD memory card slot located at JSDCARD1 on the motherboard.