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Functional Description
The following table describes the signals of the J3 connector.
Table 2-23: CompactPCI Rear I/O Connector J3 Signals
SIGNAL
SP0
COMA signaling (RS-232)
SP1
COMB signaling (RS-422)
Graphic signaling
VGA
USB0 to USB3
USB Port signaling
SPEAKER
Standard PC speaker
FAN
Fan speed sensoring
DEBUG
Debug output
LPa
Rear I/O LAN Port A
LPb
Rear I/O LAN Port B
Note ...
The VGA interface can be used both on the front panel and on the rear I/O.
However, the VGA signals are switched to front I/O or rear I/O, depending on
the uEFI BIOS setting.
Note ...
COMA can be used either on the front panel or on the rear I/O. It is not
possible to use COMA on the front panel and on the rear I/O simultaneously.
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DESCRIPTION
CP6003-SA
ID 1044-9757, Rev. 2.0
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