Can't run ex485 Headless
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Author:  den [ Wed Nov 11, 2015 1:33 pm ]
Post subject:  Can't run ex485 Headless

So I came across this yesterday. The machine boots up PERFECTLY FINE when either a keyboard or monitor is plugged into the debug board.

When trying to boot up with this stuff unplugged it hangs. I decided to plug the monitor and keyboard back in while it's hanging and see the following error message" PXE-E53 No boot filename received".

What I've done so far is, enable headless mode and remove the Realtek adapter from the boot order. I reboot headless, it still hangs. Go back into bios and the Realtek adaptor has reappeared in the boot order.

I suppose my real question is, how do I permanently remove the Realtek adaptor from the boot order? Keep in mind, with a monitor or keyboard connected via debug board, all is well. This only happens when completely headless.

Author:  den [ Wed Nov 11, 2015 2:28 pm ]
Post subject:  Re: Can't run ex485 Headless

Oh FFS. This is the 3rd time that I post a problem and it gets fixed immediately afterward. Fixed it completely by accident too. Sigh.

Author:  Ruben Rocha [ Sat Nov 14, 2015 4:03 pm ]
Post subject:  Re: Can't run ex485 Headless

Usually it is the j1 jumper missing that inhibits a debug from working at all.

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