Use the port connectors which used to come with later AT style and some ATX motherboards.
Computers shops that have been around for a while should have a bunch of them if they haven't cleaned out their old stuff. Just be aware that the header pinouts on those used to be one way, then Intel decided, "We're going to change the standards." and the rest of the PC industry went "Eh, sure, whatever Intel says is what we'll go with." The shops may also have some dead I/O cards to remove slot brackets from, or slot brackets already on the port connectors that were to be used in cases without port knockouts. If you can't find any of those serial and parallel port connectors, you can make them from a solder cup style D connector, an IDC header connector and a length of ribbon cable. The benefit of DIY is you can make female DE-9 ports and wire male DB-25 ports for parallel instead of serial. Just make sure to label the nonstandard ones! As for boards to use for LinuxCNC, I wonder how a Gigabyte GA-MA78GM-S2H would do? It's not too old yet has one header for a parallel port and one header for a RS232 port. The connectors were optional extras, weren't in the box. I picked it up at a yard sale, new, never used, for six dollars. :-) Then I spent $50 on a 3.2 Ghz Phenom II X2 555 Socket AM3 CPU... If only it had an SB710 instead of SB700 chipset, I could unlock it to a quad core. The guy I bought it from had been running it that way. ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users