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SGPIO Header
Two SGPIO (Serial General Purpose
Input/Output) headers are designated
T-SGPIO1 and SGPIO2. These head-
ers are used to communicate with
the system's enclosure management
chip. See the table on the right for pin
defi nitions.
IEEE 1394a_1/ 1394a_2
Connectors
1394a_1 (CNF1) and 1394a_2 (CNF2)
provide the IEEE 1394a (Firewire)
connections on the serverboard.
Connect IEEE 1394 cables to the
connectors for IEEE 1394a support.
See the tables on the right for pin
defi nitions.
JRK1/JRK2
The JRK1 header allows the Option
ROM to upgrade the onboard chipset.
JRK2 is a RAIDKey used to provide
RAID support for system performance
enhancement.
DOM Power Connector
A power connector for SATA DOM
(Disk On Module) devices is located
at JWF1. Connect an appropriate cable
here to provide power support for your
DOM devices.
Chapter 5: Advanced Serverboard Setup
SGPIO Header
Pin Defi nitions
Pin#
Defi nition
1
NC
3
Ground
5
Load
7
Clock
NC = No Connection
1394_1
Pin Defi nitions
Pin#
Defi nition
1
PTPA0+
3
GND
5
PTPB0+
7
PWR 1394a
1394_2
Pin Defi nitions
Pin# Defi nition
1
PTPA1+
3
GND
5
PTPB1+
7
PWR 1394a
JRK1
Pin Defi nitions
Pin# Defi nition
1
Ground
2
Signal
3
Ground
Pin Defi nitions
Pin#
1
2
3
5-23
Pin
Defi nition
2
NC
4
Data
6
Ground
8
NC
Pin#
Defi nition
2
PTPA0-
4
GND
6
PTPB0-
8
PWR 1394a
10
Shield GND
Pin#
Defi nition
2
PTPA1-
4
GND
6
PTPB1-
8
PWR 1394a
10
Shield GND
JRK2
Pin Defi nitions
Pin# Defi nition
1
Ground
2
Signal
3
Ground
DOM PWR
Defi nition
+5V
Ground
Ground
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