[Discuss] Parallel ports

[pw]

Hans Oeste wrote:
> I've built a parrallel port programmer for a small eeprom type chip. 
> Unfortunately the machine I'm trying to run the software on, which is Linux
> software, seems to have a bum parallel port.  One of the signal lines
> appears to be dead.
>  
> So I've tried to run the software on several laptops;  an IBM T42 and a
> Compaq EVO N610.  .dmesg states that a parrallel port exists, but under /dev
> there is no lp0 generated by udev.  I have also gone out and bought a PCI
> card with a parallel port on it to have the same thing happen.  No /dev/lp0.
> Unfortunately the software, written in 2004 has hardcoded port address
> assignments, although those are easy to change, at first glance and then a
> recompile to sort that part out.  It also appears to require access to lp0
> or the programmer software dies very indignantly.
>  
> Has anyone any suggestions to do with generating a /dev/lp0?
>  
> Hans-Peter Oeste
> VE7OES
>  

Your parallel port may need to be set as bidirectional in your bios.

Peter