Subject:
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Re: need help in trouble shooting hb bootstrap mode
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Fri, 19 Nov 1999 02:42:23 GMT
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Viewed:
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842 times
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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
>
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