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Groups > comp.os.linux.misc > #17057
| From | Robert Riches <spamtrap42@jacob21819.net> |
|---|---|
| Newsgroups | comp.os.linux.misc |
| Subject | Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) |
| Date | 2016-03-18 03:21 +0000 |
| Organization | none-at-all |
| Message-ID | <slrnnemt15.fe4.spamtrap42@one.localnet> (permalink) |
| References | (5 earlier) <f23rrcxb3b.ln2@goaway.wombat.san-francisco.ca.us> <ncempu$hfh$1@dont-email.me> <ncenoq$mgt$1@dont-email.me> <c4crrc-agg.ln1@Telcontar.valinor> <ncfn75$fev$1@dont-email.me> |
On 2016-03-18, William Unruh <unruh@invalid.ca> wrote:
> On 2016-03-17, Carlos E.R. <robin_listas@invalid.es> wrote:
>> On 2016-03-17 18:02, Bobbie Sellers wrote:
>>
>>> The engineers who designed and built them wrote the cautions
>>> into the manuals and expected(foolishly) that people who valued their
>>> hardware would read the manuals and so forth. By the time I got to
>>> my Commodore Amigas I had learned that lesson well. I was
>>> happy when USB came along and it was no longer the necessity it
>>> formerly was.
>>
>> The RS232 serial port, which is a very old design, was prepared from the
>> start for "hot plug". If I recall correctly, it also accepts a range of
>> voltages, whereas USB doesn't.
>
> Well, the standard was only a certain set of voltages (5V and 0V as I
> recall) but almost all serial ports after what 2000 accepted TTL as
> well.
The RS-232 voltage levels are described here:
https://en.wikipedia.org/wiki/RS-232
HTH
--
Robert Riches
spamtrap42@jacob21819.net
(Yes, that is one of my email addresses.)
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Cursor while booting Helge <w4hw4h.hh@gmail.com> - 2016-03-12 02:54 -0800
Re: Cursor while booting Andreas Kohlbach <march.10.ankman@spamgourmet.net> - 2016-03-12 15:08 -0500
Re: Cursor while booting w4hw4h.hh@gmail.com - 2016-03-13 00:26 -0800
Re: Cursor while booting William Unruh <unruh@invalid.ca> - 2016-03-13 16:26 +0000
Re: Cursor while booting Andreas Kohlbach <march.10.ankman@spamgourmet.net> - 2016-03-13 17:05 -0400
Re: Cursor while booting w4hw4h.hh@gmail.com - 2016-03-15 02:48 -0700
Re: Cursor while booting Robert Heller <heller@deepsoft.com> - 2016-03-15 06:25 -0500
Re: Cursor while booting gazelle@shell.xmission.com (Kenny McCormack) - 2016-03-15 13:32 +0000
Re: Cursor while booting Reinhardt Behm <rbehm@hushmail.com> - 2016-03-15 22:12 +0800
Re: Cursor while booting Robert Heller <heller@deepsoft.com> - 2016-03-15 10:48 -0500
Re: Cursor while booting gazelle@shell.xmission.com (Kenny McCormack) - 2016-03-16 09:20 +0000
Re: Cursor while booting Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2016-03-16 20:15 +0100
Re: Cursor while booting Keith Keller <kkeller-usenet@wombat.san-francisco.ca.us> - 2016-03-16 16:09 -0700
Hot-swap-ability of PS/2 devices (Was: Cursor while booting) gazelle@shell.xmission.com (Kenny McCormack) - 2016-03-17 00:31 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Robert Riches <spamtrap42@jacob21819.net> - 2016-03-17 01:10 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) William Unruh <unruh@invalid.ca> - 2016-03-17 05:11 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Robert Heller <heller@deepsoft.com> - 2016-03-16 20:54 -0500
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) William Unruh <unruh@invalid.ca> - 2016-03-17 05:13 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Keith Keller <kkeller-usenet@wombat.san-francisco.ca.us> - 2016-03-17 09:37 -0700
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) William Unruh <unruh@invalid.ca> - 2016-03-17 16:42 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2016-03-17 10:02 -0700
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) "Carlos E.R." <robin_listas@invalid.es> - 2016-03-17 20:11 +0100
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) William Unruh <unruh@invalid.ca> - 2016-03-18 01:55 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Robert Riches <spamtrap42@jacob21819.net> - 2016-03-18 03:21 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) The Natural Philosopher <tnp@invalid.invalid> - 2016-03-18 12:10 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) William Unruh <unruh@invalid.ca> - 2016-03-18 15:33 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) "Carlos E.R." <robin_listas@invalid.es> - 2016-03-18 20:21 +0100
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) William Unruh <unruh@invalid.ca> - 2016-03-17 19:14 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2016-03-17 13:03 -0700
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) William Unruh <unruh@invalid.ca> - 2016-03-18 01:57 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2016-03-17 19:11 -0700
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Robert Heller <heller@deepsoft.com> - 2016-03-17 14:30 -0500
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Keith Keller <kkeller-usenet@wombat.san-francisco.ca.us> - 2016-03-17 14:59 -0700
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Robert Heller <heller@deepsoft.com> - 2016-03-17 18:16 -0500
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Keith Keller <kkeller-usenet@wombat.san-francisco.ca.us> - 2016-03-18 11:07 -0700
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Robert Heller <heller@deepsoft.com> - 2016-03-18 13:49 -0500
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2016-03-18 22:13 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) William Unruh <unruh@invalid.ca> - 2016-03-18 19:55 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Robert Heller <heller@deepsoft.com> - 2016-03-18 15:13 -0500
Re: Hot-swap-ability of PS/2 devices Andreas Kohlbach <march.10.ankman@spamgourmet.net> - 2016-03-18 14:35 -0400
Re: Cursor while booting Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2016-03-17 13:31 +0100
Re: Cursor while booting William Unruh <unruh@invalid.ca> - 2016-03-17 15:04 +0000
Hot-swap-ability of PS/2 devices (Was: Cursor while booting) gazelle@shell.xmission.com (Kenny McCormack) - 2016-03-17 00:33 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) William Unruh <unruh@invalid.ca> - 2016-03-17 05:09 +0000
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Aragorn <thorongil@telenet.be.invalid> - 2016-03-17 14:15 +0100
Re: Hot-swap-ability of PS/2 devices (Was: Cursor while booting) Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2016-03-17 15:05 +0100
Re: Cursor while booting w4hw4h.hh@gmail.com - 2016-03-15 02:49 -0700
Re: Cursor while booting w4hw4h.hh@gmail.com - 2016-03-15 02:57 -0700
Re: Cursor while booting Teemu Likonen <tlikonen@iki.fi> - 2016-03-13 11:36 +0200
Re: Cursor while booting w4hw4h.hh@gmail.com - 2016-03-15 02:47 -0700
Re: Cursor while booting William Unruh <unruh@invalid.ca> - 2016-03-15 19:45 +0000
Re: Cursor while booting w4hw4h.hh@gmail.com - 2016-03-15 02:53 -0700
Re: Cursor while booting The Natural Philosopher <tnp@invalid.invalid> - 2016-03-15 10:02 +0000
Re: Cursor while booting Chick Tower <c.tower@deadspam.com> - 2016-03-15 16:52 +0000
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