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MOPSlcdGX1 Product Manual
18. POWER
The MOPSlcdGX1 uses +5V-only modules. You have the choice of using +12V, -12V,
and -5V, which may be necessary for other boards in the PC/104 system.
Power consumption of all available power pins on the MOPSlcdGX1 is limited to 5A in
total (1A per pin, with two pins on the power connector, two pins on the XT-bus, and one
pin on the AT-bus) and at GND up to 8A. Systems consuming more then 2A should not
be served over the power connector only. Systems consuming more then 5A must provide
power supply through an additional connector on another board.
Note: The MOPSlcdGX1 is not a replacement for a backplane. Use all power pins on the PC/104
connector for power supply to the MOPSlcdGX1, and additional I/O cards. It is not
acceptable to use only the power pins of the PC/104 connector for power supply of the full
PC/104 stack.
18.1 VBAT (System Battery Connection)
Pin 3 connects a system battery to all modules.
The battery voltage has to be higher than 2.2V and lower than 3. 5V. Kontron Embedded
Modules recommends a 3V battery (for example, CR2032).
Your configuration is automatically saved in an onboard dynamic random access memory
(DRAM). You do need a battery to save the CMOS date and time when the power is off.
18.2 Connector (X2c)
To find the location of Connector X2c on the MOPSlcdGX1 board, please see the
Appendix E: Connector Layout
Power Connector (X2c)
Pin
Signal
1
GND
2
+5V
3
VBAT
4
+12V
5
-5V
6
-12V
7
GND
8
+5V
Kontron Embedded Modules
chapter.
36
Power
Revision 1.3
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