Subject:
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RE: Startup
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Sun, 4 Jul 1999 20:02:09 GMT
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Original-From:
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Satish Chetty <SATISH@SUBURBIA.COM.ihatespamAU>
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Viewed:
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1673 times
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Ronald,
>
> Second problem could be that your cable is not correct. Try to swap the
> Rx and Tx lines. When the PC is trying to download code the green LED on
> the board and on the interface should be blinking rapidly.
I think the serial board is working fine. I tried the loopback test as
mentioned in the
http://lcs.www.media.mit.edu/groups/el/projects/handy-board/faq/winindex.html
and everything seems ok. My concern is that since the green and Red LEds
on the HB don't seem to come one (EVER blink or otherwise) I am wondering
if the HB could be bad. Or simply the leds burnt out.
I have sent my HB back to the manufacture and he said that he had
fixed some parts and the board is new and good working order. So is there
anything like the loopback test to find out if the HB is recieve data? I
am frustrated as I have spent quite a few hundred dollars and I can't even
get the board to work. Moreover, shipping to the manufacturer also is
expensive.
> > Third, and this might seem far fetched: are you using the serial
> interface and loader board ? You don't seem to mention this. This small
> board is very important because it changes the serial voltages between a
> PC and the HB. Make sure that it is working and then chck the telephone
> like cable between them.
Is the loader board the board the links the PC with the HB via the
RJ11. If so then it is working fine.
Thanks for the tips and I shall keep trying.
-Satish.
> From: Satish Chetty [mailto:satish@suburbia.com.au] Sent: zondag 4
> juli 1999 6:05 To: handyboard@media.mit.edu Subject: Startup
>
>
> Hi all,
> Reading from the tons of the listings, I see that many of you
> are
> veterans in the HB. I recently bought a preassembled HB. I havn't
> soldered
> the battery case to the board, however, I have bought a 12V 500mA
> external
> adapter. I thought I shall ask about downloading the downloader. I tried
> the stuff the manual, I can't seem to be even setting the board in
> download mode.
>
> The board is NEW. I have three Wintel machines and an old XT
> machine which haven't used as yet as it has only a 5.25 drive.
>
> My problem seems that dl and the 95 version of downloader always
> keep saying that Worng port or board mode or no response from the board.
> I
> switched off the adapter and tried again. This time dl just waited until
> I
> switched on the power, after which it gave me message something like no
> response from board and trying again.
>
> Can somebody tell me what I am doing wrong? The leds don't seem
> to
> come on for 0.33 seconds when I hold the STOP button and turn the power
> on. I have tried 3 different machine (2NTs and Win95) fearing that the
> OS
> might not be truely releasing the COM ports. Also, turning the power
> switch of the boaRD on/off seems to turn on/off couple of yellow LEDs on
> the main board or serial interface.
>
> -Satish.
> PS: I have another question too. Should I solder the battery pack to the
> HB when I connect the adapter to the HB?
>
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