Re: Laptops for CNC

>Message: 1[CAD_CAM_EDM_DRO] Digest Number 487
> Date: Wed, 10 May 2000 06:48:18 -0400
> From: "Carlos Guillermo" <carlos@...>
>
>I remember several people mentioning they're using old laptops to
>control their machines. I thought most step/dir systems needed one
>parallel port for every two axes. What do you do for three? Or, can
>you somehow reconfigure the output pins for another step/dir channel by
>forfeiting some of the extra I/O pins?

Babyhex ran six motors from a single port with emc. Dave put pullup
resistors on a couple of the extra pins that were used.

Ray