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  1. [ubuntu] Re: How to disable default assertion of DTR and RTS on CP210x device?

    Yeah, it's a very stale thread. But there is a definitive fix.

    Firstly, read https://bugzilla.redhat.com/show_bug.cgi?id=771010

    The problem is due to ModemManager. You could remove it, but...
  2. [ubuntu] Re: How to disable default assertion of DTR and RTS on CP210x device?

    I take it back. Fresh after install, it worked. After a software update, it's turning my radio on again. This is driving me crazy.
  3. [ubuntu] Re: How to disable default assertion of DTR and RTS on CP210x device?

    This problem has been addressed in the latest Ubuntu: 10.04. Kernel is 2.6.32-24.
  4. [ubuntu] Re: How to disable default assertion of DTR and RTS on CP210x device?

    @coldraven:

    Thanks for the reply. Yes, this would work, but that pin serves a very important purpose. Asserting RTS turns on the radio transmitter. In order to send data via the radio, the...
  5. [ubuntu] Re: How to disable default assertion of DTR and RTS on CP210x device?

    Did you ever have any luck with this? I'm in the same boat: starting last fall (2009) with a kernel upgrade, it seems that RTS is now always asserted at boot. Yay.

    With about 10 minutes of...
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