5-22
SUPERSERVER 1028TR-T/TF User's Manual
Power SMB (I
2
C) Connector
The Power System Management Bus
(I
2
C) connector (JPI
2
C1) monitors power
supply, fan, and system temperatures.
See the table on the right for pin
defi nitions.
PWR SMB (JPI
2
C1)
Pin Defi nitions
Pin# Defi nition
1 Clock
2 Data
3 PMBUS_Alert
4 Ground
5 +3.3V
I-SGPIO1/2 & S-SGPIO1 Headers
Three SGPIO (Serial Link General
Purpose Input/Output) headers are
located on the motherboard. I-SGPIO1/2
support onboard I-SATA ports 0-5,
while S-SGPIO1 supports S-SATA0-3
connections. See the table on the right
for pin defi nitions.
SGPIO Header Pin Defi nitions
(T-SGPIO1/T-SGPIO2)
Pin# Defi nition Pin # Defi nition
1 NC 2 Data
3 Ground 4 Data
5 Load 6 Ground
7 CLK 8 NC
Note: NC indicates no connection.
I-SGPIO1/2 & S-SGPIO1
I-SGPIO1 I-SATA Ports 0-3 Supported
I-SGPIO2 I-SATA Ports 4/5 Supported
S-SGPIO1 S-SATA 0-3 Supported