Subject:
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Re: HandyBoard not responding
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Thu, 25 Nov 1999 19:10:04 GMT
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Viewed:
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3650 times
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Hi,
Finally I found out what happened. One of the pins of the RJ-11 socket on
the handyboard was disconnected from the PCB. So I soldered it back and the
handyboard is working fine.
Thanks for all your help.
Kalyan
In lugnet.robotics.handyboard, Fred G. Martin writes:
> Kalyan,
>
> The gray squares on the LCD simply mean that the HB doesn't have its
> pcode program loaded. So it doesn't indicate a hardware failure.
>
> With Window 2K, were you able to open "Direct to COM1" using
> HyperTerminal? If no, this definitely indicates a configuration
> problem with the serial port.
>
> Fred
>
> In your message you said:
> > Hi,
> > I tried to download the pcode under Windows 2000 , but I got the same error.
> > So the problem is not with the COM port, must be something else.
> > When I switch the handyboard on I see squares on the first line of the LCD.
> >
> > Thanks
> > Kalyan
> >
> > -----Original Message-----
> > From: Nick Taylor [mailto:ntaylor@iname.com]
> > Sent: Monday, November 22, 1999 5:51 PM
> > To: Kalyan.Mulampaka@geis.ge.com
> > Subject: Re: HandyBoard not responding
> >
> >
> > Kalyan,
> >
> > It looks to me like you've found your problem ... but unistalling the
> > software that uses the com port may NOT fix the problem. You may need
> > an expert to dig into the registry to find the problem. Once I have
> > the Windows CE Server installed, the problem remains until I reformat
> > the hard drive ... unistalling doesn't release its hook on the com port.
> >
> > Good luck,
> > - Nick -
> >
> > "Mulampaka, Kalyan (GEIS, ASI)" wrote:
> > >
> > > Yes ,last week I installed other software which used com port , but I
> > > unstalled that software later.
> > > I will try disabling and then enabling the com port.
> > > Thanks
> > > Kalyan
> > >
> > > -----Original Message-----
> > > From: Nick Taylor [mailto:ntaylor@iname.com]
> > > Sent: Monday, November 22, 1999 11:36 AM
> > > To: handyboard@media.mit.edu
> > > Subject: Re: HandyBoard not responding
> > >
> > > Kalyan,
> > >
> > > During the two weeks that you didn't use your HB did you install any
> > > software that uses _any_ serial port? When I installed Windows CE
> > > Services it interfered with serial I/O. To talk to other serial
> > > devices on com1 it's necessary to disable and then enable the com
> > > port.
> > >
> > > - Nick -
> > >
> > > "Fred G. Martin" wrote:
> > > >
> > > > it sounds like it's a problem with your downloader configurations --
> > > > neither of them can open the COM port.
> > > >
> > > > were you able to connect "Direct to COM1" with HyperTerminal when
> > > > doing the Windows Serial Debug? it's odd that that would work and
> > > > then the downloaders couldn't open your com ports.
> > > >
> > > > fred
> > > >
> > > > In your message you said:
> > > > > Hi,
> > > > > I left the HandyBoard without power for 2 weeks ,and now I am not • able
> > > to
> > > > > download anything to it.
> > > > > When I try using HBDL.exe to download pcode_hb.s19 I get the errror • "Wrong
> > > > > port or Board mode.".
> > > > > I am using the 12VDC adapter connected directly to the HandyBoard.
> > > > > If I try to download the Java VM (Simple RTJ) I get "Unable to open • COM1".
> > > > > I tested the charger board, serial line and the RJ11 cable using the
> > > > > "Windows Serial Debug test" and they are working fine.
> > > > >
> > > > > Please help.
> > > > > Thanks in advance
> > > > > Kalyan
> > > > >
> > > > > Kalyan Mulampaka
> > > > > Software Engineer
> > > > > e Information Services
> > > > > ___________________________
> > > > > Ph#: (770) 698 4436 (O)
> > > > > (678) 320 0783 (R)
> >
> >
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Message is in Reply To:
 | | Re: HandyBoard not responding
|
| Kalyan, The gray squares on the LCD simply mean that the HB doesn't have its pcode program loaded. So it doesn't indicate a hardware failure. With Window 2K, were you able to open "Direct to COM1" using HyperTerminal? If no, this definitely (...) (27 years ago, 24-Nov-99, to lugnet.robotics.handyboard)
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