Subject:
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Re: Charge polarity on each board opposite?
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Fri, 30 Aug 1996 03:24:27 GMT
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Original-From:
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Fred G. Martin <FREDM@MEDIAspamcake.MIT.EDU>
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Viewed:
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4002 times
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> Do those two boards (Hboard and I/F) have differing requirements of the
> transformer charge plugs, as the schematics indicate? I have so many
> wall-warts around, DC and AC, but they all have the return line on the
> outside. Perhaps it doesn't matter, I don't have the schematic in front
> of me here.
see the FAQ for an answer to this.
>
> > maybe you just blew your config register. the ic manual for the hb
> > has instructions on using the downloaders to reburn the config.
>
> Great idea, I went and tried that. Alas, no. I downloaded the pcode
> config0C.s19, got nominal responses, yet LCD's still all bars after
did you put the downloader in EEPROM mode before downloading config0c?
-Fred
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Message has 1 Reply:
 | | Re: Charge polarity on each board opposite?
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| (...) Fred, I use dl on a DOS 286, which does the CONFIG register automatically I thought. In any case, I tried using dl -eeprom config0c.s19, with the same results. The dl of pcode_hb.lis runs nominally, but the LCD remains all black across the top (...) (30 years ago, 5-Sep-96, to lugnet.robotics.handyboard)
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Message is in Reply To:
| | Re: Charge polarity on each board opposite?
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| (...) Do those two boards (Hboard and I/F) have differing requirements of the transformer charge plugs, as the schematics indicate? I have so many wall-warts around, DC and AC, but they all have the return line on the outside. Perhaps it doesn't (...) (30 years ago, 29-Aug-96, to lugnet.robotics.handyboard)
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