Jan 28 2018

Dell Vostro 270 Inspiron 660 pinout

This is the pinout for Dell motherboards found on Vostro 270 / Inspiron 660 motherboards (on possibly others).

I found the pins for : power switch, hdd LED, power LED that need to be connected to the case.

Click on the pictures to view the larger version of the image.

First pic is with the motherboard :

Second picture is with the front header pins on motherboard. Note that i have a wireless adapter mounted.

Close image with the Dell Vostro 270 / Inspiron 660 motherboard

Third pic is with the diagram :

Pinout diagram for dell inspiron 660 – vostro 270 motherboard front header

Fourh picture is with my final cables :

My Dell Vostro front panel cables from case

Hope it helped.


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  1. Alex

    Yes, it helped, thank you very much!

  2. Mackish

    Thank you! This helped when moving my Inspiron 660 (MIB75R) motherboard to a Deepcool Tesseract case.

    Just one question. Is it possible to place a Reset Switch connector on there aswell?

  3. Memento Mori

    Thank you! Worked for me 🙂
    Just one question. Is there no way to connect the reset switch on these pins?

  4. M. Charles Grant

    Thanks, helped a lot, since I am just about to re-case an Inspiron 660.

  5. Karlos

    super.. dziękuje.. 🙂

  6. Shoaib Chikte

    Reset switch connection ? Please with pictures. Thanks

  7. Ralph

    Thanks so much! Been looking for this for over five years. No one had it. By the way this motherboard fits easily into most cases like you’d buy to build your own. The mounting holes are in the exact same place. Like the others I’m looking for the reset switch too. Any ideas?

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