5-12

SUPERSERVER 5017P-TLN4F/TF User's Manual
T-SGPIO Headers
The SGPIO (Serial General Purpose
Input/Output) headers are used to
communicate with the enclosure
management chip on the backplane.
See the table on the right for pin
denitions.
T-SGPIO Headers
Pin Denitions
Pin# Denition Pin Denition
1 NC 2 NC
3 Ground 4 DATA Out
5 Load 6 Ground
7 Clock 8 NC
Power LED/Speaker
On the JD1 header, pins 1-3 are for
a power LED and pins 4-7 are for the
speaker. Close pins 4-7 with a jumper
to use an external speaker. If you wish
to use the onboard speaker, please
close pins 6-7. See the table on the
right for speaker pin denitions.
Speaker Connector
Pin Settings
Pin Setting Denition
Pins 4-7 External Speaker
Pins 6-7 Internal Speaker
PWR LED Connector
Pin Denitions
Pin Setting Denition
Pin 1 Anode (+)
Pin2 Cathode (-)
Pin3 NA
Overheat/Fan Fail LED
The JOH1 header is used to connect
an LED indicator to provide warnings
of chassis overheating and fan failure.
This LED will blink when a fan failure
occurs. Refer to the table on the right
for pin denitions.
OH/Fan Fail LED
Status
State Message
Solid Overheat
Blinking Fan Fail
Overheat LED
Pin Denitions
Pin# Denition
1 5VDC
2OH Active