Thank you, but that information is of no use except for MS-DOS, Windows 95/98/ME. DOS debug programs do not work on Windows XP/Vista.
It only states the old DOS standard port addresses, but these days an LPT port can be at any available I/O address. Regards, Ross. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of David Duffy (AVD) Sent: Tuesday, 18 December 2007 1:38 p.m. To: Borland's Delphi Discussion List Subject: Re: LPT ports Ross Levis wrote: > Does anyone know of a way to find all LPT ports installed on a PC and the > I/O address of the ports. > > Up to now I've been using a 3rd party unit I found on the internet which > uses the registry to obtain this information, and this has worked well for > years, but a user has installed a USB based LPT port and it doesn't appear > in the usual place in the registry, although Windows sees it as LPT1. > > I need the physical I/O address of the port as I need this to access the > individual pins on the port, using a 3rd party device driver service which > allows low level access to ports. > > Please help if you can. > > Many thanks, > Ross. > http://www.google.com.au/search?hl=en&q=printer+port+address&btnG=Google+Sea rch&meta= The first hit gives the addresses. -- ___________________________________________ David Duffy Audio Visual Devices P/L Unit 8, 10 Hook St, Capalaba 4157 Australia Ph: +61 7 38235717 Fax: +61 7 38234717 Our Web Site: www.audiovisualdevices.com.au ___________________________________________ _______________________________________________ Delphi mailing list -> [email protected] http://lists.elists.org/cgi-bin/mailman/listinfo/delphi _______________________________________________ Delphi mailing list -> [email protected] http://lists.elists.org/cgi-bin/mailman/listinfo/delphi

