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Community Manager
1,275 Views

DN2800MT board in car? Power supply?

Hi,

I want to build a computer for my car. For that I want to construct an enclosure in head unit size (Single http://en.wikipedia.org/wiki/ISO_7736 DIN ISO 7736 (178x53 mm)).

For this purpose I find the DN2800MT seems to fit perfectly, but I have some issues with the power supply: The battery can't supply 12V at all the time. For other (older) boards, there are dc-dc-converters to plug in directly into the ATX-connector on these boards, which solve this problem. But the DN2800MT seems not to have an ATX-connector, just the dc/in-jack and the 1x2pin internal connector.

Is there a possibility to use this board in my car? Or would another board be the better solution?

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Community Manager
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According to the specs, the on-board header and the rear panel jack are 19v DC. Also, the board has the ATX12v and 2x2 CPU connections for a standard power supply. You can power the board from either.

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Community Manager
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According to the Technical Product Specs (http://downloadmirror.intel.com/20714/eng/DN2800MT_TechProdSpec01.pdf http://downloadmirror.intel.com/20714/eng/DN2800MT_TechProdSpec01.pdf, look for 2.2), there are neither ATX12v nor 2x2-CPU-Connectors? Or am I wrong?

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Moderator
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The DN2800MT has an internal DC-to-DC circuit built in with wide-range input voltage support from 8V through 19V. We have heard of customers being able to power it up even with as little as 6V.

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Community Manager
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Ok,

I found this:

http://www.mini-box.com/DCDC-USB http://www.mini-box.com/DCDC-USB

I think this will do it, plus it's able to power the computer on: ": Acts as an intelligent PSU, ignition aware, will send ON/OFF pulse to the motherboard to turn ON/OFF."

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Community Manager
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Well I'll be dang. You're right. I don't know what board I was looking at then. I should have saved the pdf. It was the exact same board except it clearly indicated ATX12 and 2x2 on-board connections in addition to the 8-19v connectors.

As far as putting it in a car, my concern would be the environment. Down here in South Texas the inside of a vehicle can easily hit 140 when parked in the sun. Humidity is another factor.

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Community Manager
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Well, i don't think the temperature is a big problem. Currently I am living in Germany, very moderate clima...

Humidity may be a problem though. But this applies also to head units or other electric stuff in cars. I'll give it a try!

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