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PICList Thread
'Com 1 and Com 2 PIC Programmer Problem'
1999\12\19@230021 by John Considine

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I have the PICSTART 16B1 Microchip Programmer, Using MP16B.exe in DOS
mode to connect to COM 1 and talk to the programmer.  It worked good
until I starting using another piece of equipment that used COM 2.  Now
the programmer will not work even though I have completely removed the
equipment that uses COM2.

I took the programmer and the program to another computer and it works
fine.

The error it displays is a timeout on accessing the port.   I tried the
programmer on both COM1 and COM2.  I check the drivers and it is using
serialui.dll and serial.vxd.  The setup has the defaults (i.e 9600
baud).  There is no conflicts shown in the system properties resources.

I tried replacing the cable from COM1 on the motherboard to the serial
connector.  I though maybe a loose connection.  I tried the new piece of
equipment on COM 1 and it works.

Does anyone know of other areas of the computer I can check for
conflicts or settings.

Thanks

John

1999\12\19@233342 by Ravi Pailoor

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part 0 1535 bytes content-type:text/x-vcard; charset=us-ascii; (decoded 7bit)

Pailoor

John Considine wrote:
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--
WE DESIGN THE FUTURE
Website : http://www.chiptechnologies.com
Website : http://business.vsnl.com/chiptech
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Attachment converted: wonderland:chiptech.vcf (TEXT/CSOm) (000124FC)

1999\12\20@000820 by Jim Robertson

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At 10:00 20/12/99 +0530, you wrote:
>This happened if the other program hooks the com port. Reboot the PC and
>it should work fine.
>
>Pailoor

Also keep in mind that the new equipment may have installed a driver in the
Autoexec,bat, config.sys or in the registry if using win 95/98/2000 in which
case a reboot will not fix the problem.

You may need to look in these places and also under start -> settings ->
control panel -> system -> ports for a driver attached to com 1

Jim

{Quote hidden}

FILES\INTERNET\EUDORAP\ATTACH\chiptech6.vcf"
>
Regards,

Jim Robertson
NEWFOUND ELECTRONICS
________________________________________
Email: spam_OUTnewfoundTakeThisOuTspampipeline.com.au
http://www.new-elect.com
MPLAB compatible PIC programmers.
________________________________________

1999\12\20@003318 by Tony Nixon

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You may be able to go into the

Start / Settings / Control Panel / Modems - Diagnostics - More Info...,
and try to get Windows to access the COM port.  Sometimes this action
can free it up if a closed program is still hogging it.

If you don't have a modem, create a dummy one.

--
Best regards

Tony

http://www.picnpoke.com
.....salesKILLspamspam@spam@picnpoke.com

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