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Table A-20. Signal Descriptions for the CPV5350 SBC (J3) Backplane
Signal
General
Video Signal
Definitions
Ethernet
LM78 Signals
SM Bus Signals
http://www.motorola.com/computer/literature
Connector
Signal
Mnemonic
VCC
5V power
GND
ground plane
RED
red signal
GRN
green signal
BLU
blue signal
HSYNC
horizontal synchronization
VSYNC
vertical synchronization
DDCCLK
display data channel clock signal for DDC2 support
DDCDAT
display data channel data signal for DDC2 support
RD+, RD-
differential receive lines
TD+, TD-
differential transmit lines
LED1_2
transmit LED
LED3
link LED
FAN3, FAN2 external fan tachometer inputs
INTRUDER- chassis intrusion signal
BTI-
board temperature interrupt signal
PBYPASS
power switch bypass signal
SMBDATA
system management bus data strobe signal
SMBCLK
system management bus clock signal
Pin Assignments
Signal Description
A
A-25
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