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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.
Chassis Intrusion
Pin Definitions
Pin#
Definition
1
Intrusion Input
2
GND
SGPIO Header
There is one Serial Link General Purpose Input/Output (I-SGPIO1) header located on the
motherboard. The SGPIO header is used to communicate with the enclosure management
chip on the back panel.
SGPIO Header
Pin Definitions
Pin#
Definition
Pin#
Definition
1
NC
2
NC
3
GND
4
DATA Out
5
Load
6
GND
7
Clock
8
NC
NC = No Connection
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 Serial Link DOM
devices.
DOM Power
Pin Definitions
Pin#
Definition
1
5V
2
Ground
3
Ground
Onboard Power LED Header
An Onboard Power LED header is located at JLED1.
Onboard PWR LED
Pin Definitions
Pins
Definition
1
LED+
2
GND
3
GND