Re: Whacked out computer?

Hi Tim,
Have you run a separate ground wire( or +5v line) for the optos from
the PC. At first glance it sounds like some an uncommon reference
problem. Put a scope on the lines to check the levels and for ringing
also.
-Lee

--- In CAD_CAM_EDM_DRO@y..., "Tim Goldstein" <timg@k...> wrote:
> I am having a problem I am at a loss to figure out and hoping for
some
> help.
>
> I have TurboCNC all set on a bootable floppy and it is completely
> configured for my Sherline mill. When I use it on 2 different
systems
> (boot from the disk and start TurboCNC) everything works just
great. Now
> when I move the parallel cable to the new box and boot this system
off
> the floppy everything is wacky. The Z axis moves in tandem with the
X
> when I jog the X and if I try to jog the Z it will only go in one
> direction. If I move the parallel cable back to the system next to
it
> and boot off the floppy everything is fine again. Has me pretty
> perplexed. The computer that is giving the problems is a clone with
an
> ASUS K7M mother board running an Athalon 750 processor.
>
> The parallel port is set for normal in the bios and the system is
now
> set for non-plug and pray OS in the bios.
>
> Any ideas? The goal is to run this new system on Mach1. I tried it
on
> Mach1 and was experiencing weirdness so I figured I would see what
> TurboCNC would do as I had an already configured file for it on a
> bootable floppy and I wanted to make sure Mach1 was not causing my
> problems.
>
> Tim
> [Denver CO]
> Sherline products at Deep Discount
> www.KTMarketing.com/Sherline