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Re: Legacy computer in embedded industial systems (Re: Oh Gods ...)

From "Carlos E.R." <robin_listas@es.invalid>
Newsgroups comp.os.linux.misc
Subject Re: Legacy computer in embedded industial systems (Re: Oh Gods ...)
Date 2026-08-25 14:11 +0200
Organization Tebibyte_Retro_Gaming
Message-ID <qcd0mmxb3s.ln2@Telcontar.valinor> (permalink)
References (18 earlier) <116esn8$1uqt1$2@dont-email.me> <116fe4k$2530n$1@dont-email.me> <l9icnfrKBY3CRxb3nZ2dnZfqnPGdnZ2d@giganews.com> <r08tlmxeb9.ln2@Telcontar.valinor> <4R-dndxP7cUahhD3nZ2dnZfqn_adnZ2d@giganews.com>

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On 2026-08-25 06:33, c186282 wrote:
> On 8/24/26 03:21, Carlos E.R. wrote:
>> On 2026-08-24 07:43, c186282 wrote:
>>> On 8/23/26 14:28, Lars Poulsen wrote:
>>>> On 2026-08-23 06:31, The Natural Philosopher wrote:
>>>>> On 23/08/2026 14:20, Lars Poulsen wrote:

...

>> But those usb adapters can't do something the real rs232 or parallel 
>> port can do: directly interrupt and get processed within a known time, 
>> so much so as to sync clock to a GPS receiver.
> 
>    Quite true ... you're a slave to the USB interface.
>    Often that doesn't matter much - but SOMETIMES ...
> 
>> I wonder if you can connect two machines via parallel port cable and 
>> emulated port.
> 
>    You could connect them, within reason, using the
>    older parallel ports - basically invent your own
>    'network'. Done it. Had to xfer lots of stuff from
>    some old DECs to the newfangled PC. Xmodem sucked.
>    LOW speed though, but EVERYTHING was slow back in
>    the day. Serial ports worked. Parallel ports worked.
>    Lots of old detailed mag articles - search. The best
>    timeframe is a few years before/after the original
>    IBM-PCs.
> 
>    Now with USB emulators ??? Would not work as well.
>    Sometimes no substitute for those old direct interrupt
>    pins and UARTS.
> 
>    Hmmm ... come across any serial terminals ? I see a few
>    on E-Bay, but don't trust 'em to work. Linux/BSD does
>    have everything to support multiple terminals though.
>    Might have to fab something from PI-3s - but the old
>    all-in-one terminals with built-in keyboards ....
> 
>    HeathKit used to sell some nice ones. Used one, with
>    an old phone modem, to connect to Compuserve Forums
>    back in the day. No PC required. "ATTD ..."
> 

Some boards do have a serial port interface, ie, the pins.

-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-17 22:25 -0400
  Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! rbowman <bowman@montana.com> - 2026-08-18 03:05 +0000
    Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-18 00:58 -0400
    Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! The Natural Philosopher <tnp@invalid.invalid> - 2026-08-18 10:21 +0100
      Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! Rich <rich@example.invalid> - 2026-08-18 13:55 +0000
        Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! Robert Riches <spamtrap42@jacob21819.net> - 2026-08-18 21:24 +0000
          Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! The Natural Philosopher <tnp@invalid.invalid> - 2026-08-19 14:41 +0100
            Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! rbowman <bowman@montana.com> - 2026-08-19 19:00 +0000
    Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! Rich <rich@example.invalid> - 2026-08-18 13:53 +0000
      Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-18 16:30 +0000
        Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-18 23:02 +0000
          Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-18 23:02 -0400
            Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! Rich <rich@example.invalid> - 2026-08-19 12:53 +0000
              Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! rbowman <bowman@montana.com> - 2026-08-19 19:25 +0000
              Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-19 21:37 -0400
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! rbowman <bowman@montana.com> - 2026-08-20 03:24 +0000
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-20 12:32 -0400
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! rbowman <bowman@montana.com> - 2026-08-20 20:53 +0000
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-20 22:14 -0400
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! rbowman <bowman@montana.com> - 2026-08-21 04:29 +0000
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-21 01:17 -0400
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! Rich <rich@example.invalid> - 2026-08-20 13:55 +0000
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-20 13:04 -0400
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-08-20 18:04 +0000
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! rbowman <bowman@montana.com> - 2026-08-20 21:02 +0000
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-20 22:30 -0400
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! rbowman <bowman@montana.com> - 2026-08-21 04:24 +0000
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-21 01:12 -0400
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! TJ <TJ@noneofyour.business> - 2026-08-21 08:22 -0400
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! Marc Haber <mh+usenetspam2616@zugschl.us> - 2026-08-21 16:01 +0200
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! The Natural Philosopher <tnp@invalid.invalid> - 2026-08-21 15:22 +0100
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-21 23:55 -0400
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! rbowman <bowman@montana.com> - 2026-08-21 18:18 +0000
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-22 01:56 +0000
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! Richard Kettlewell <invalid@invalid.invalid> - 2026-08-22 10:17 +0100
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-21 23:31 -0400
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! TJ <TJ@noneofyour.business> - 2026-08-22 08:36 -0400
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! The Natural Philosopher <tnp@invalid.invalid> - 2026-08-22 13:44 +0100
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! TJ <TJ@noneofyour.business> - 2026-08-22 17:06 -0400
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-08-22 22:35 +0000
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-23 02:57 -0400
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! "Carlos E.R." <robin_listas@es.invalid> - 2026-08-23 13:32 +0200
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! The Natural Philosopher <tnp@invalid.invalid> - 2026-08-23 13:10 +0100
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! "Carlos E.R." <robin_listas@es.invalid> - 2026-08-23 14:47 +0200
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! The Natural Philosopher <tnp@invalid.invalid> - 2026-08-23 14:26 +0100
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! rbowman <bowman@montana.com> - 2026-08-23 18:34 +0000
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! "Carlos E.R." <robin_listas@es.invalid> - 2026-08-23 21:40 +0200
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! rbowman <bowman@montana.com> - 2026-08-24 01:24 +0000
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-24 02:21 -0400
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! rbowman <bowman@montana.com> - 2026-08-24 21:05 +0000
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-24 00:54 -0400
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! "Carlos E.R." <robin_listas@es.invalid> - 2026-08-24 09:18 +0200
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! rbowman <bowman@montana.com> - 2026-08-24 21:13 +0000
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-25 00:01 -0400
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! The Natural Philosopher <tnp@invalid.invalid> - 2026-08-25 11:38 +0100
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-25 22:55 -0400
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! "Carlos E.R." <robin_listas@es.invalid> - 2026-08-25 14:08 +0200
                Legacy computer in embedded industial systems (Re: Oh Gods ...) Lars Poulsen <lars@beagle-ears.com> - 2026-08-23 06:20 -0700
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) The Natural Philosopher <tnp@invalid.invalid> - 2026-08-23 14:31 +0100
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) Lars Poulsen <lars@beagle-ears.com> - 2026-08-23 11:28 -0700
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) The Natural Philosopher <tnp@invalid.invalid> - 2026-08-23 19:58 +0100
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) c186282 <c186282@nnada.net> - 2026-08-24 01:43 -0400
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) "Carlos E.R." <robin_listas@es.invalid> - 2026-08-24 09:21 +0200
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) c186282 <c186282@nnada.net> - 2026-08-25 00:33 -0400
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) "Carlos E.R." <robin_listas@es.invalid> - 2026-08-25 14:11 +0200
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) c186282 <c186282@nnada.net> - 2026-08-26 03:02 -0400
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) rbowman <bowman@montana.com> - 2026-08-26 17:53 +0000
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) c186282 <c186282@nnada.net> - 2026-08-27 02:57 -0400
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) rbowman <bowman@montana.com> - 2026-08-27 15:08 +0000
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) c186282 <c186282@nnada.net> - 2026-08-24 01:06 -0400
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2026-08-26 13:59 +0300
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) The Natural Philosopher <tnp@invalid.invalid> - 2026-08-26 13:53 +0100
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) c186282 <c186282@nnada.net> - 2026-08-27 01:28 -0400
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) "Carlos E.R." <robin_listas@es.invalid> - 2026-08-27 08:32 +0200
                Re: Legacy computer in embedded industial systems (Re: Oh Gods ...) c186282 <c186282@nnada.net> - 2026-08-24 01:01 -0400
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-23 23:19 -0400
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! The Natural Philosopher <tnp@invalid.invalid> - 2026-08-23 12:46 +0100
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! rbowman <bowman@montana.com> - 2026-08-23 18:41 +0000
                Re: Oh Gods - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-24 00:19 -0400
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! c186282 <c186282@nnada.net> - 2026-08-21 21:54 -0400
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! The Natural Philosopher <tnp@invalid.invalid> - 2026-08-21 13:27 +0100
                Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! Rich <rich@example.invalid> - 2026-08-22 04:15 +0000
  Re: Oh Gawd - Now MX Linux "Security Verification" - NO !!! TJ <TJ@noneofyour.business> - 2026-08-19 11:48 -0400

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