4

The Pi Zero and A+ both have what seems like space for an ethernet port on the bottom, in the section labeled J5:

A+Zero

Is this really an ethernet port, and if so, how would one connect to it (provide links to a jack that would fit)?

Improve this question

2 Answers 2

Reset to default
5

That's not an ethernet port, it's a JTAG port for debugging.

Improve this answer
7
  • Are you sure? It doesn't look like JTAG.
    – Coder-256
    Mar 2, 2016 at 19:45
  • Look at the signal names, TRST, TDI, TDO, TMS...
    – Gusman
    Mar 2, 2016 at 19:46
  • @Gusman Well, shouldn't JTAG have 6 pins (including GND)?
    – Kachamenus
    Mar 2, 2016 at 19:49
  • @Gusman Those are the JTAG signals. What about them?
    – Coder-256
    Mar 2, 2016 at 19:51
  • 1
    Here is the full description on that port: sheffieldhardwarehackers.org.uk/wordpress/2015/12/…
    – Gusman
    Mar 2, 2016 at 19:53
3

No it's not an ethernet port (and it doesn't look anything like one either).

It's the videocore JTAG port, that connector is used on all Pi models since the B+ (the original raspberry pi model A and B use a pin header instead). It is used by the engineers who developed the Pi for debugging.

Unfortunately it's not much use unless you have access to broadcom information and tools that are not available to the public.

Improve this answer

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct.

Not the answer you're looking for? Browse other questions tagged or ask your own question.