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S
S
UPER
ERVER 5026T-3F/5026T-T User's Manual
External Speaker/Internal Buzzer
On the JD1 header, pins 1-4 are for an
external speaker and pins 3-4 are for
the internal speaker. If you wish to use
an external speaker, connect it to pins
1-4 to. If you wish to use the onboard
speaker, you should close pins 3-4
with a jumper.
Universal Serial Bus (USB)
There are two Universal Serial Bus
ports located on the I/O panel and four
additional USB headers located on
the serverboard. The headers can be
used to provide front side USB access
(cables not included). See the table on
the right for pin defi nitions.
SGPIO Headers
Two T-SGPIO (Serial General Pur-
pose Input/Output) headers are lo-
cated next to the I-SATA Port 1 on the
motherboard. Two additonal 3-SGPIO
ports are located next to SAS Port 3
on the X8ST3-F motherboard. These
headers are used to communicate
with the enclosure management chip
in the system. See the table on the
right for pin defi nitions.
Alarm Reset
If three power supplies are installed,
the system can notify you when any of
the three power modules fail. Connect
JAR to a micro-switch to enable you
to turn off the alarm that is activated
when a power module fails. See the
table on the right for pin defi nitions.
Speaker Connector
(JD1)
Pin Setting
Defi nition
Pins 3-4
Internal Speaker
Pins 1-4
External Speaker
Universal Serial Bus
Pin Defi nitions (USB)
USB0/1
Pin #
Defi nition
1
+5V
2
PO-
3
PO+
4
Ground
5
N/A
SGPIO Header
Pin Defi nitions (T-SGPIO-0/1, 3-SGPIO-0/1)
Pin#
Defi nition
1
NC
3
Ground
5
Load
7
Clock
NC = No Connection
Alarm Reset Header
Pin Defi nitions (JAR)
Pin Setting
Defi nition
Pin 1
Ground
Pin 2
+5V
5-18
USB2/3/4/5
Pin #
Defi nition
1
+5V
2
PO-
3
PO+
4
Ground
5
Key
Pin
Defi nition
2
NC
4
DATA Out
6
Ground
8
NC
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