This happened if the other program hooks the com port. Reboot the PC and
it should work fine.

Pailoor

John Considine wrote:
>
> 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

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