On 10/16/11 6:57 AM, Lorenzo Martínez Rodríguez wrote: > Following your link I only see "Compatible with Windows > ME/2000/XP/Vista/7" Are you sure it will work with CentOS 6? I don't use > it for print anything, but just to switch on my own home alarm as I > wrote here: > http://www.securitybydefault.com/2011/04/trasteando-con-una-alarma-de-securitas.html > Sorry, it is in spanish, that's my language :) Give it a try with some > online translation service. that style of programming, poking bits at a physical IO device at an assumed port address will not work on anything but a legacy mainboard LPT1 port. any PCI or PCI-E port will be at a dynamic address which you'd have to find via the plug and play device registry, or groping your way through the output of lspci, which it appears you've been doing.. a USB port requires a complex sequence of commands to be sent to the USB controller to send data to the port. my guess is, the newer kernels have dropped support entirely for ieee1284 devices. -- john r pierce N 37, W 122 santa cruz ca mid-left coast _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos