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Special IBM Model M Keycaps

Posted: 15 Dec 2016, 06:28
by Mattr567
Got this off ebay from Orihalcon. 1993 IBM made 1391401. Was super dirty. Cleaned it up and threw on a NIB industrial case I had. The result is gorgeous :o

Does anyone know what these sublegends mean, or from what program/system they were used on?
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Posted: 15 Dec 2016, 09:03
by seebart
Nice, blue label indy. Are those those sublegends green or is that the light?

I see you prefer num lock and scroll lock at the same time. :mrgreen:

Posted: 15 Dec 2016, 13:14
by ohaimark
They're green. That's a real mishmash of symbols... But my wild guess would be a music notation keyboard. :lol:

The sharp and flat symbols wouldn't really make sense otherwise.

Posted: 15 Dec 2016, 15:03
by alh84001
Some of the symbols are obviously for music notation (V keycap for example), but there are other international letters on it that (to my knowledge) have no use there. For example, look at the D with stroke on the W keycap. It's used in various south-slavic languages, and according to wiki in vietnamese and medieval latin. All in all, cool board, especially that enter key.

Posted: 15 Dec 2016, 15:15
by Ratfink
Those keycaps…and it still has the audacity to call itself a 1391401?

Really cool find. My guess from the mishmash of different symbols is that it's meant for some typesetting application.

Posted: 15 Dec 2016, 16:20
by Mattr567
Thanks :)

Yea, it must be for some specific application or for a range of applications special made for some company.

Full album (warning gore): http://imgur.com/a/2q0pY

Color accurate pictures of sublegends. They pop 8-)
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seebart wrote: Nice, blue label indy. Are those those sublegends green or is that the light?

I see you prefer num lock and scroll lock at the same time. :mrgreen:
Gotta have that light symmetry man ;)

Posted: 15 Dec 2016, 16:25
by seebart
Ahh much better but it's also got the german "ß" on B and I see some Nordic also.

Posted: 15 Dec 2016, 16:41
by alh84001
seebart wrote: but it's also got the german "ß" on B
The only acceptable place to put it :lol:

@Mattr567 why no love for the orange numpad Enter? I think it would go well with an industrial case.

Posted: 15 Dec 2016, 17:20
by micrex22
If I had to take a guess, it could have been used for a program to input alternative characters into documents, like the copyright symbol for instance. One clue to its operation may be the fact that (this program) assigned a modifier to each key twice. As a result the number row became redundant and you have three (!) numbers printed on a single key at a time.

EDIT: Missed Ratfink's post, definitely most likely for typesetting.

Nothing like a fresh industrial grey chassis.

Posted: 15 Dec 2016, 18:39
by cml
seebart wrote: Ahh much better but it's also got the german "ß" on B and I see some Nordic also.
I think it looks like a beta on the kaycap.

What a nice keyboard anyway.

Posted: 15 Dec 2016, 23:54
by y11971alex
My guess: keyboard for Old English. ;)

Posted: 16 Dec 2016, 01:12
by Muirium
Beware the untold majicks of elven runes
Spoiler:
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Posted: 16 Dec 2016, 01:48
by Mattr567
alh84001 wrote:
seebart wrote: but it's also got the german "ß" on B
The only acceptable place to put it :lol:

@Mattr567 why no love for the orange numpad Enter? I think it would go well with an industrial case.
I thought it looked out of place.
Muirium wrote: Beware the untold majicks of elven runes
Spoiler:
Image
Hah. It is definitely most likely for typesetting, and the result is a ton of legends :D I can imagine ordering them: IBM: What symbols do you want? Person: ALL of them!

Posted: 16 Dec 2016, 10:03
by seebart
Mattr567 wrote:
alh84001 wrote: Hah. It is definitely most likely for typesetting
Agreed, of course this is another one for our wiki. Your keyboard, your job Mattr567! :evilgeek:

Posted: 23 Dec 2016, 23:59
by daedalus
My first guess was Icelandic, but there's too many special characters. I'm going to +1 to the idea that it's for some kind of word processing/typesetting software package.

The fact that they were installed on a '1401 implies that they were ordered as a standalone kit from IBM (or perhaps someone else? Unlikely though) and installed onto a standard keyboard. Adds further credence to the idea that this is for some kind of IBM word processor.

Posted: 24 Dec 2016, 08:43
by Mattr567
daedalus wrote: My first guess was Icelandic, but there's too many special characters. I'm going to +1 to the idea that it's for some kind of word processing/typesetting software package.

The fact that they were installed on a '1401 implies that they were ordered as a standalone kit from IBM (or perhaps someone else? Unlikely though) and installed onto a standard keyboard. Adds further credence to the idea that this is for some kind of IBM word processor.
Does the fact that the included IBM PS/2 cable only has 4 pins change anything? I found it very unusual but it still works fine. The SDL side is only wired for 4 pins so it isn't damaged.

Posted: 24 Dec 2016, 11:00
by Ray
4 pins PS/2 is very normal. 2 pins are unused, if it isn't made for keyboard AND mouse.

Posted: 24 Dec 2016, 19:53
by daedalus
Mattr567 wrote:
daedalus wrote: My first guess was Icelandic, but there's too many special characters. I'm going to +1 to the idea that it's for some kind of word processing/typesetting software package.

The fact that they were installed on a '1401 implies that they were ordered as a standalone kit from IBM (or perhaps someone else? Unlikely though) and installed onto a standard keyboard. Adds further credence to the idea that this is for some kind of IBM word processor.
Does the fact that the included IBM PS/2 cable only has 4 pins change anything? I found it very unusual but it still works fine. The SDL side is only wired for 4 pins so it isn't damaged.
While the PS/2 connector typically features six pins, only four are actually used (IIRC, this is true for both keyboards and mice). On the keyboards for the RS/6000 workstations, one or both of the extra pins was used to drive a speaker built into the keyboard.

Originally, IBM built cables with all six pins, but at some point in the 90s, IBM (or more likely, Lexmark) moved to building PS/2 connectors with only four pins, presumably as a cost saving measure. Pretty much any of the fixed-cable Model Ms I have seen only have four pins, but the SDL cables from that period also are missing two pins.

Posted: 25 Dec 2016, 01:19
by Mattr567
That makes sense. The keyboard is a '93 IBM made one so it fit's into the timeline.

Posted: 26 Oct 2017, 22:58
by Ander
Mattr567 wrote: That makes sense. The keyboard is a '93 IBM made one so it fit's into the timeline.
This is a '93 Model M? But it's obviously the inner assembly from one M, put in one of Unicomp's surplus blue-logo Industrial cases (the only blue-logo Industrial anything, AFAIK)—and with the original keys replaced by the set Orihalcon sold you, as you mentioned. So where does the " '93" part come in?

Posted: 27 Oct 2017, 06:21
by Darkshado
Bit of a necrobump here?

Judging by the OP, from the label on the original case, or the internal one on the assembly itself. OP is the one who put it in the Unicomp surplus Industrial Grey case.

Posted: 27 Oct 2017, 07:14
by Mattr567
Ander wrote:
Mattr567 wrote: That makes sense. The keyboard is a '93 IBM made one so it fit's into the timeline.
This is a '93 Model M? But it's obviously the inner assembly from one M, put in one of Unicomp's surplus blue-logo Industrial cases (the only blue-logo Industrial anything, AFAIK)—and with the original keys replaced by the set Orihalcon sold you, as you mentioned. So where does the " '93" part come in?
Darkshado wrote: Bit of a necrobump here?

Judging by the OP, from the label on the original case, or the internal one on the assembly itself. OP is the one who put it in the Unicomp surplus Industrial Grey case.
Its a 1993 1391401 Model M, came with those special caps from the factory. I threw the indy case from unicomp on it, otherwise stock.

Since I have sold this Model M but kept the caps for ellipse F77 GB :^)

Posted: 27 Oct 2017, 19:53
by clickykeyboards
Ander wrote: This is a '93 Model M? But it's obviously the inner assembly from one M, put in one of Unicomp's surplus blue-logo Industrial cases (the only blue-logo Industrial anything, AFAIK)—
For the record, another industrial model M keyboard with blue-logo would be the Model M-13 06H4173 with trackpoint.

http://clickykeyboards.com/product/1999 ... -keyboard/

Unfortunately in 1999 Unicomp used their "force sensing resistor" trackpoint in the 06H4173 versus IBM's proprietary "strain gauge" trackpoint technology in the 13H6705.
http://www.clickykeyboard.com/2006/06h4173/06h4173-005.jpg
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Posted: 28 Oct 2017, 23:04
by depletedvespene
Ratfink wrote: Those keycaps…and it still has the audacity to call itself a 1391401?

Really cool find. My guess from the mishmash of different symbols is that it's meant for some typesetting application.
I agree. What reinforces that impression is that there are NO base latin characters with any kind of tilde (Ñ, Ö, Å, etc.), but pretty much every tilde (acute, grave, dot above AND below, etc.) is.

Posted: 28 Oct 2017, 23:21
by Darkshado
depletedvespene wrote:
Ratfink wrote: Those keycaps…and it still has the audacity to call itself a 1391401?

Really cool find. My guess from the mishmash of different symbols is that it's meant for some typesetting application.
I agree. What reinforces that impression is that there are NO base latin characters with any kind of diacritic (Ñ, Ö, Å, etc.), but pretty much every diacritic (tilde, acute, grave, dot above AND below, etc.) is.
FTFY ;)

Posted: 28 Oct 2017, 23:53
by depletedvespene
Damn. Yes, you're right. Serves me right for skiffing my coppee earlier today.


I'm feeling specially depleted today.