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SuperServer 2029UZ-TN20R25M User's Manual
SGPIO Header
A Serial General Purpose Input/Output header (T-SGPIO3) communicates 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
NC
NC = No Connection
Chassis Intrusion
A Chassis Intrusion header is located at JL1 on the motherboard. Attach the appropriate cable
from the chassis to the header to inform you when the chassis is opened.
Chassis Intrusion
Pin Definitions
Pins
Definition
1
Intrusion Input
2
Ground
CPLD Header
The Complex Programmable Logical Device (CPLD) header is located on JP2 on the
motherboard. Connect an appropriate cable to use this feature.
BMC SMB (I
2
C) Header
A System Management Bus (SMBus) header for IPMI 2.0 is located at JIPMB1. Connect an
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
Ground
3
Clock
4
No Connection
Internal Speaker/Buzzer
The Internal Speaker/Buzzer (SP1) is used to provide audible indications for various beep
codes.