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 Robotics / RCX / legOS / 725
724  |  726
Subject: 
Firmware startup bug?
Newsgroups: 
lugnet.robotics.rcx.legos
Date: 
Thu, 27 Jan 2000 04:36:34 GMT
Viewed: 
1544 times
  
Probably related to the garbage on the lcd that you get when turning off the
RCX with a sensor active:  if there is a light or rotation sensor or a pressed
touch sensor connected to the RCX when you download firmware legOS will crash
immediately after the download completes.

It might also happen if a motor is connected, but no sensors.  I haven't done
exhaustive tests, but the pattern points to a bug.

Also, has anyone ever successfully replaced the batteries in the RCX with legOS
installed?  Mine is always wiped clean.

--Ben



Message has 1 Reply:
  Re: Firmware startup bug?
 
I have replaced my batteries without erasing the firware several times. The trick is replacing the batteries one at a time with the brick turned off. You have then several (10 or so) seconds between each replace. If you leave the brick switched on (...) (25 years ago, 27-Jan-00, to lugnet.robotics.rcx.legos)

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