Intel DN2800MT Technical Product Specification for Intel Desktop Board DN2800M - Page 69

Electrical Considerations

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Technical Reference 2.6 Electrical Considerations 2.6.1 Power Supply Considerations CAUTION The external DC jack is the primary power input connector of Intel Desktop Board DN2800MT. However, the desktop board also provides an internal 1 x 2 power connector that can be used in custom-developed systems that have an internal power supply. There is no isolation circuitry between the external DC jack and the internal 1 x 2 power connector. It is the system integrator's responsibility to ensure no more than one power supply unit is or can be attached to the board at any time and to ensure the external DC jack is covered if the internal 1 x 2 power connector is to be used. A plastic lid for the external DC jack is provided in the accessories box shall it be useful to the system integrator for this purpose. Simultaneous connection of both external and internal power supply units could result in potential damage to the desktop board, power supplies, or other hardware. System power requirements will depend on actual system configurations chosen by the integrator, as well as end user expansion preferences. It is the system integrator's responsibility to ensure an appropriate power budget for the system configuration is properly assessed based on the system-level components chosen. Table 39 lists example power consumption from both the board and typical system-level components. 69

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Technical Reference
69
2.6
Electrical Considerations
2.6.1
Power Supply Considerations
CAUTION
The external DC jack is the primary power input connector of Intel Desktop Board
DN2800MT.
However, the desktop board also provides an internal 1 x 2 power
connector that can be used in custom-developed systems that have an internal power
supply.
There is no isolation circuitry between the external DC jack and the internal 1 x 2
power connector.
It is the system integrator’s responsibility to ensure no more than
one power supply unit is or can be attached to the board at any time and to ensure the
external DC jack is covered if the internal 1 x 2 power connector is to be used.
A
plastic lid for the external DC jack is provided in the accessories box shall it be useful
to the system integrator for this purpose.
Simultaneous connection of both external and internal power supply units could result
in potential damage to the desktop board, power supplies, or other hardware.
System power requirements will depend on actual system configurations chosen by the
integrator, as well as end user expansion preferences.
It is the system integrator’s
responsibility to ensure an appropriate power budget for the system configuration is
properly assessed based on the system-level components chosen.
Table 39 lists
example power consumption from both the board and typical system-level
components.