AVR-Chat

Kathy Quinlan wrote:
> 
>>-----Original Message-----
>>From: Russell Shaw [mailto:rjshaw@iprimus.com.au] 
...
>>Probably some windoze crap polling the port for external 
>>printers/drives etc. Disable it.
> 
> 
> I tried that, made no difference :o(
> 
> Seems like the laptop has something different, Port voltage is 5V so it
> is not the dreaded 3.3V interface problems.
> 
> Even under win98 it did not work :o(
> 
> I am running out of ideas (plus I never tried it on the old dev machine,
> so it could be faulty from manufacture, but Atmel has QC ??)
> 
> ARRRGGHHHHH
> 
> If there was slightly more documentation I may have half a chance :o(

I assume you have no CRO in hospital? With a cro, you could test the
port if you can find some freeware to manipulate the pins. Could you
try a port converter on a usb output?