Copyright © 2006 congatec AG
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Table 22 Module Type Definition Signal Description
Signal
Description
I/O
Comment
TYPE[0:2]# The TYPE pins indicate to the Carrier Board the Pin-out Type that is implemented on the module. The pins are tied
on the module to either ground (GND) or are no-connects (NC). For Pinout Type 1, these pins are don’t care (X).
PDS
TYPE[0:2]# signals are available
on all modules following the Type
2-5 Pinout standard.
The conga-CLX is based on the
COM Express Type 2 pinout
therefore these pins are not
connected.
TYPE2#
TYPE1#
TYPE0#
X
NC
NC
NC
X
NC
NC
GND
X
NC
GND
NC
Pinout Type 1
Pinout Type 2
Pinout Type 3 (no IDE)
Pinout Type 4 (no PCI)
The Carrier Board should implement combinatorial logic that monitors the module TYPE pins and keeps power off
(e.g deactivates the ATX_ON signal for an ATX power supply) if an incompatible module pin-out type is detected. The
Carrier Board logic may also implement a fault indicator such as an LED.
Table 23 Power and GND Signal Descriptions
Signal
Description
I/O
PU/PD
Comment
VCC_12V
Primary power input: +12V nominal. All available VCC_12V pins on the connector(s) shall be used.
P
GND
Ground - DC power and signal and AC signal return path.
All available GND connector pins shall be used and tied to carrier board GND plane.
P
