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Extra Universal Serial Bus
Headers
Two additional USB headers (USB2/3)
are located near the battery on the
serverboard. These are included for
connection to the ports on the front
of the chassis. A USB cable (not
included) is needed for the connec-
tion. See the table on the right for
pin defi nitions.
Power LED/Speaker
On the JDI header, pins 1-3 are for
a power LED, pins 4-7 are for the
speaker. See the table on the right
for speaker pin definitions.
The speaker connector pins are for
use with an external speaker. If you
wish to use the onboard speaker, you
should close pins 6-7 with a jumper.
ATX PS/2 Keyboard and
PS/2 Mouse Ports
The ATX PS/2 keyboard and the PS/2
mouse ports are located at J33 and
J34, respectively. See the table on
the right for pin defi nitions.
Overheat LED
Connect an LED to the JOH1 header
to provide warning of a chassis over-
heating condition. See the table on the
right for pin defi nitions.
Chapter 5: Advanced Serverboard Setup
Front Panel Universal Serial Bus
Pin Defi nitions (JD2)
USB2
Pin #
Defi nition
1
+5V
2
PO-
3
PO+
4
Ground
5
N/A
Speaker Connector
Pin Defi nitions (JD1)
Pin #
Function
4
+
5
Key
Note:
6
7
PS/2 Keyboard and
Defi nitions (J33, J34)
Pin#
1
2
3
4
5
6
Pin#
1
2
5-15
USB3
Pin #
Defi nition
1
+5V
2
PO-
3
PO+
4
Ground
5
N/A
Defi nition
Speaker data (red wire)
No connection
Key
Speaker data
Mouse Port Pin
Defi nition
Data
NC
Ground
VCC
Clock
NC
Overheat LED
Pin Defi nitions
(JOH1)
Defi nition
+5V
OH Active
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