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 Robotics / Handy Board / 7098
7097  |  7099
Subject: 
Re: need help in trouble shooting hb bootstrap mode
Newsgroups: 
lugnet.robotics.handyboard
Date: 
Fri, 19 Nov 1999 02:42:23 GMT
Viewed: 
3502 times
  
try doing the download with the LCD disconnected.  use the pcode that
doesn't need the LCD to work:

http://el.www.media.mit.edu/projects/handy-board/software/contrib/kent/no_lcd/pc/pcode_hb.s19

if that works, you may have miswired or damaged the LCD.  did it ever
work after you made the modifications?

fred


In your message you said:
> Hi guys,
> 
>         i have a problem with the HB boot strap mode.
> symptoms....
> 
>         I tried to connect the LCD and HB with a long
> ribbon cable. And it worked fine , and i am trying to
> put this in a box and switched on the power and tried
> to load the pcode.  But my HB is not going into the
> download mode. and LCD is blank in the second line and
> 
> first line is displaying dark squares when i swiched
> on the hb.  And my work stucked there...
> 
>         can anybody help me with it, is there any way
> i can remove the lcd and put the HB into download mode
> if the problem is due to the bad LCD. Help me.
> 
>         I got the HB from gleasonresearch.com , do
> they
> entertain these sort of fixes if send HB to them.
> Please sujjest me..
> 
> 
> Thank you guys,
> 
> Rob
> 



Message is in Reply To:
  need help in trouble shooting hb bootstrap mode
 
Hi guys, i have a problem with the HB boot strap mode. symptoms.... I tried to connect the LCD and HB with a long ribbon cable. And it worked fine , and i am trying to put this in a box and switched on the power and tried to load the pcode. But my (...) (27 years ago, 19-Nov-99, to lugnet.robotics.handyboard)

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