On Wed, Mar 9, 2011 at 11:24 AM, aleroot <wineforum-user@xxxxxxxxxx> wrote: > No, in /dev/ttyS i have only the 4 serial port (rs-232) on the machine ? > > Should Linux allocate /dev/ttySX for RS-485 ? What device name under /dev should i have ? > It should. It should by the next ttyS device (ttyS4 if my memory serves me.) Are you using a special board/device for RS-485 communications? Does this device have a Linux driver? Wine cannot run Windows drivers because how and where drivers are loaded in the operating system architecture. James McKenzie