Supermicro SuperServer 2028R-TXR User Manual page 67

I-SGPIO1/2 & S-SGPIO1 Headers
Three SGPIO (Serial-Link General Pur-
pose Input/Output) headers are located
on the motherboard. I-SGPIO1/2 support
onboard I-SATA 0-5, and S-SGPIO sup-
ports S-SATA 0-3 connections. See the
tables on the right for more information.
Chassis Intrusion
A Chassis Intrusion header is located at
JL1 on the motherboard. Attach an ap-
propriate cable from the chassis to inform
you of a chassis intrusion when the chassis
is opened.
2
Power SMB (I C) Connector
Power System Management Bus (I
nector (JPI 2 C1) monitors power supply, fan
speeds, and temperatures. See the table on
the right for pin defi nitions.
Standby Power Header
The +5V Standby Power header is located at
JSTBY1 on the motherboard. See the table
on the right for pin defi nitions. (You must also
have a card with a Standby Power connector
and a cable to use this feature.)
Chapter 5: Advanced Serverboard Setup
I-SGPIO1/2 & S-SGPIO1 Headers
Pin # Defi nition
1 NC
3 Ground
5 Load
7 Clock
Note: NC= No Connection
I-SGPIO1/2 & S-SGPIO1 Support
I-SGPIO & S-SGPIO Support
I-SGPIO1
I-SGPIO2
S-SGPIO1
Chassis Intrusion
Pin#
1
2
2
C) Con-
Pin#
1
2
3
4
5
Pin#
1
2
3
5-19
Pin Defi nitions
Pin # Defi nition
2 NC
4 Data
6 Ground
8 NC
Supports I-SATA0-3
Supports I-SATA4/5
Supports S-SATA0-3
Pin Defi nitions
Defi nition
Intrusion Input
Ground
PWR SMB
Pin Defi nitions
Defi nition
Clock
Data
PMBUS_Alert
Ground
+3.3V
Standby PWR
Pin Defi nitions
Defi nition
+5V Standby
Ground
No Connection