CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] p-port alternative 8255PPI

on 2002-02-19 16:06:28 UTC
Hi Vajk,

Yes, a *CHEAP* 8255 24 pin I/O port on a XT, AT or PCI card would be
welcome! And a simple TSR could configure it to look like an LPT port,
if desired. But since most of the "hobby" (no offense) controller
programs all assume a std. LPT, we might not gain much (unless one is
writing the software too). ;>)

Available "commercial" I/O cards tend to be a little more expensive then
the available LPT cards.

Alan KM6VV


Vajk Fekete wrote:
>
> hi all there,
>
> i am really new to the list, so forgive me if the question is silly.
>
> i read the thread, and :
>
> would it be usable to have a 8255 (24 io pins) in the parallel port???
> i have studied electrical engineering, and had to do this as a lab project. not
> too difficult.
> of course the software to drive the pins will be _slightly_ more complex.
>
> or the software U use would not be configureable to support this?
>
> vajk
>
> Alan Marconett KM6VV wrote:
>
> > Hi Jerry,
> >
> > Were you LOOKING for 8255 stuff (24 pin I/O card)? I'm confused. I
> > thought you were just referring to IBM's use of the chip in the original
> > IBM PC.
> >
> > It'd be nice to have that many pins, but a PCMCIA (and other "SPECIAL")
> > card would be both expensive, and typically not supported by DOS apps.
> > AND, I'm not about to run CNC hardware from my IBM laptop, anyway!
> >
> > Alan KM6VV
> >
> > Paul wrote:
> > >
> > > Hi Jerry
> > >
> > > www.amplicon.co.uk/pdf01/pg191.pdf - 82C55 and 82C54 in a PCMCIA card.
> > > Somewhat expensive for just three counter/timers and 24 bits of digital IO.
> > >
> > > Regards, Paul.
> > >
> > > On Tuesday 19 February 2002 8:23 pm, Carol & Jerry Jankura wrote:
> > > > I was thinking of the 8255 on a PCMCIA card. I'm using a notebook (laptop)
> > > > to run my machine.
> > > >
> > > > -- Jerry
> >
> > Addresses:
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> > bill,
> > List Manager
> >
> >
> >
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>
> [Non-text portions of this message have been removed]
>
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>
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Discussion Thread

Rick Miller 2002-02-17 19:27:45 UTC troubleshooting help aspaguy 2002-02-17 19:46:59 UTC Re: troubleshooting help Rick Miller 2002-02-17 20:37:26 UTC Re: [CAD_CAM_EDM_DRO] Re: troubleshooting help mariss92705 2002-02-17 20:51:47 UTC Re: troubleshooting help Rick Miller 2002-02-17 21:16:37 UTC Re: [CAD_CAM_EDM_DRO] Re: troubleshooting help Rick Miller 2002-02-17 21:28:03 UTC Re: [CAD_CAM_EDM_DRO] Re: troubleshooting help mariss92705 2002-02-17 21:29:42 UTC Re: troubleshooting help mariss92705 2002-02-17 21:58:58 UTC Re: troubleshooting help Rick Miller 2002-02-17 22:11:36 UTC Re: [CAD_CAM_EDM_DRO] Re: troubleshooting help ballendo 2002-02-18 02:35:07 UTC P-port 101 was Re: troubleshooting help Alan Marconett KM6VV 2002-02-18 12:49:56 UTC Re: [CAD_CAM_EDM_DRO] troubleshooting help Bob Bachman 2002-02-18 15:52:25 UTC Re: [CAD_CAM_EDM_DRO] troubleshooting help Carol & Jerry Jankura 2002-02-18 17:45:25 UTC RE: [CAD_CAM_EDM_DRO] troubleshooting help Carol & Jerry Jankura 2002-02-18 17:53:29 UTC RE: [CAD_CAM_EDM_DRO] troubleshooting help Alan Marconett KM6VV 2002-02-18 18:00:16 UTC Re: [CAD_CAM_EDM_DRO] troubleshooting help dkowalcz2000 2002-02-18 18:55:13 UTC Re: troubleshooting help Bob Bachman 2002-02-18 19:12:34 UTC RE: [CAD_CAM_EDM_DRO] troubleshooting help Jon Elson 2002-02-18 20:11:20 UTC Re: [CAD_CAM_EDM_DRO] troubleshooting help Rick Miller 2002-02-18 20:13:01 UTC Re: [CAD_CAM_EDM_DRO] Re: troubleshooting help Rick Miller 2002-02-18 21:14:00 UTC Re: [CAD_CAM_EDM_DRO] Re: troubleshooting help ballendo 2002-02-19 02:35:16 UTC more p-port 101 was Re: troubleshooting help ballendo 2002-02-19 04:01:49 UTC p-port alternative 8255PPI was Re: troubleshooting help ballendo 2002-02-19 04:39:13 UTC TTL 101 was Re: troubleshooting help Carol & Jerry Jankura 2002-02-19 05:44:14 UTC RE: [CAD_CAM_EDM_DRO] p-port alternative 8255PPI was Re: troubleshooting help ballendo 2002-02-19 06:32:49 UTC p-port alternative 8255PPI Robert Bachman 2002-02-19 06:57:42 UTC Re: [CAD_CAM_EDM_DRO] TTL 101 was Re: troubleshooting help David Goodfellow 2002-02-19 08:37:36 UTC Re: [CAD_CAM_EDM_DRO] p-port alternative 8255PPI was Re: troubleshooting help Carol & Jerry Jankura 2002-02-19 09:22:22 UTC RE: [CAD_CAM_EDM_DRO] p-port alternative 8255PPI Alan Marconett KM6VV 2002-02-19 10:48:53 UTC Re: [CAD_CAM_EDM_DRO] troubleshooting help Bill Vance 2002-02-19 11:04:12 UTC Re: [CAD_CAM_EDM_DRO] TTL 101 was Re: troubleshooting help Bob Bachman 2002-02-19 11:24:21 UTC Re: [CAD_CAM_EDM_DRO] TTL 101 was Re: troubleshooting help Paul 2002-02-19 12:00:37 UTC Re: [CAD_CAM_EDM_DRO] p-port alternative 8255PPI Alan Marconett KM6VV 2002-02-19 12:24:16 UTC Re: [CAD_CAM_EDM_DRO] TTL 101 was Re: troubleshooting help Alan Marconett KM6VV 2002-02-19 12:42:17 UTC Re: [CAD_CAM_EDM_DRO] p-port alternative 8255PPI wanliker@a... 2002-02-19 13:36:28 UTC Re: [CAD_CAM_EDM_DRO] TTL 101 was Re: troubleshooting help Vajk Fekete 2002-02-19 14:24:21 UTC Re: [CAD_CAM_EDM_DRO] p-port alternative 8255PPI Alan Marconett KM6VV 2002-02-19 16:06:28 UTC Re: [CAD_CAM_EDM_DRO] p-port alternative 8255PPI Ian W. Wright 2002-02-19 16:35:00 UTC Re: [CAD_CAM_EDM_DRO] TTL 101 was Re: troubleshooting help