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Serial Ports
Two serial ports are included on the
serverboard. COM1 is a backpanel
port and COM2 is a header located
near the JWOL header. See the table
on the right for pin defi nitions.
Power LED/Speaker
On 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 defi nitions.
Universal Serial Bus (USB)
There are two Universal Serial Bus
ports located on the I/O panel and
three 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
The SGPIO (Serial General Purpose
Input/Output) headers are used to
communicate with a system-monitor-
ing chip on the backplane. See the
table on the right for pin defi nitions.
Chapter 5: Advanced Serverboard Setup
Serial Port Pin Defi nitions
(COM1/COM2)
Pin #
Defi nition
1
DCD
2
RXD
3
TXD
4
DTR
5
Ground
Power LED/Speaker
Connector (JD1)
Pin Setting
Pins 6-7
Internal Speaker
Pins 4-7
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-1/T-SGPIO-2)
Pin#
Defi nition
1
*NC
3
Ground
5
Load
7
Clock
NC = No Connection
5-17
Pin #
Defi nition
6
DSR
7
RTS
8
CTS
9
RI
10
NC
Defi nition
USB2/3/4
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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