Thanks, it seems most computer works, especially the Intel Atom worked well. Do we have drawings to connect parallel port to step driver? We have some Allegro chip that takes pulse, direction and will do the rest of driving.
-- Youda On Fri, Sep 4, 2009 at 12:21 PM, Peter C. Wallace <p...@mesanet.com> wrote: > On Fri, 4 Sep 2009, Youda He wrote: > > > Date: Fri, 4 Sep 2009 11:42:21 -0700 > > From: Youda He <yo...@geometrysystems.com> > > Reply-To: "Enhanced Machine Controller (EMC)" > > <emc-users@lists.sourceforge.net> > > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net > > > > Subject: Re: [Emc-users] What hardware should buy to start > > > > Thanks, do we need to consider what CPU performance level is needed, P4, > > Core2, GHz? memory size? > > > > -- Youda > > Probably 1 GHz or greater, 256M or more of RAM. If you are using software > step > generation, for example with a parallel port driving the step motors, the > main > issue will not be the processor speed, but be the latency of the PC. This > may > require some fussing about with video cards, disabling SMI, or choosing a > different motherboard. The wiki lists some known good motherboards: > > http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Latency-Test > > Peter Wallace > > > ------------------------------------------------------------------------------ > Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day > trial. Simplify your report design, integration and deployment - and focus > on > what you do best, core application coding. Discover what's new with > Crystal Reports now. http://p.sf.net/sfu/bobj-july > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
