Author: parsec
Subject: (N3150TM-ITX): The 2-pin power header
Posted: 11 Mar 2016 at 10:04am
The mystery is really quite simple if you check the N3150TM-ITX manual. On page 16 we can find this picture:
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That is the internal 19V DC power input header for an ATX 19V DC connector. It can be used instead of the external DC input jack.
The manual has a mistake in the Mother Board Layout section, on page 6 that describes the numbered items in the mother board picture on page 5. Item 30 is this Internal 19V DC ATX connector, but it is labeled as "DDR3 SO-DIMM Slots", which is actually item 29 in the picture. Which means there are several mistakes in that list.
Link to the N3150TM-ITX manual: http://66.226.78.22/downloadsite/Manual/N3150TM-ITX.pdf
In your post you mention an "AC jack", which I assume is a mistake, and you meant DC. Both of these power inputs require a 19V DC input.
This input is useful for a 19V DC power supply that is located within the PC case that contains this board.
The plugs you mention that were included with your PC case may be compatible with this jack on the board, but I haven't looked at the chassis to be certain.
Subject: (N3150TM-ITX): The 2-pin power header
Posted: 11 Mar 2016 at 10:04am
The mystery is really quite simple if you check the N3150TM-ITX manual. On page 16 we can find this picture:

That is the internal 19V DC power input header for an ATX 19V DC connector. It can be used instead of the external DC input jack.
The manual has a mistake in the Mother Board Layout section, on page 6 that describes the numbered items in the mother board picture on page 5. Item 30 is this Internal 19V DC ATX connector, but it is labeled as "DDR3 SO-DIMM Slots", which is actually item 29 in the picture. Which means there are several mistakes in that list.
Link to the N3150TM-ITX manual: http://66.226.78.22/downloadsite/Manual/N3150TM-ITX.pdf
In your post you mention an "AC jack", which I assume is a mistake, and you meant DC. Both of these power inputs require a 19V DC input.
This input is useful for a 19V DC power supply that is located within the PC case that contains this board.
The plugs you mention that were included with your PC case may be compatible with this jack on the board, but I haven't looked at the chassis to be certain.