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Questions tagged [keyboards]

For questions about the maintenance, usage, or history of retro keyboards.

33 votes
2 answers
7k views

How did ALT + F4 become the shortcut for closing?

This is another in a long line of computer history trivia questions. It is very much related to this question. How did Alt + F4 become the close keyboard shortcut? I always used that close command on ...
Neil Meyer's user avatar
  • 6,899
36 votes
4 answers
8k views

Did any MS-DOS program ever use the System Request interrupt?

As I remember, the SysRq key generated a special, unique interrupt (not an ordinary keyboard interrupt). It was supposed to let the user interrupt any process in a multitasking situation and return ...
Jess Fuckett's user avatar
1 vote
0 answers
183 views

What is the keyboard combination for turbo on Prolinea 3/25?

I have a Compaq Prolinea 3/25zs (BIOS 08/03/92 386C)and suspect it can be switched between 25 MHz and some lower speed. There's a BIOS setting for System Power-on Speed, "Auto" or "High&...
eesz34's user avatar
  • 925
5 votes
2 answers
304 views

Toshiba Libretto 100CT PS/2 keyboard and mouse dual use

I have a Toshiba Libretto 100CT that I'd like to use in docked configuration with an external monitor, speakers, keyboard and mouse Through the use of the official dock I'm able to use a VGA port for ...
Peter Bridger's user avatar
15 votes
3 answers
6k views

How was the @ sign added to keyboards and character sets?

Today, you need the @ character in many places, most notably in email addresses, but I suspect that when the syntax for an email address was defined, the sign was already supported in character sets ...
allo's user avatar
  • 1,073
9 votes
1 answer
1k views

Why do BK computers have unusual representations of $ and ^

While programming in BASIC and FOCAL on my BK-0010-01, I wonder why both the keyboard and the character set have unusual representations of ASCII 36 and ASCII 94? ASCII 36: Standard:$ ; BK version: ¤ ...
harlandski's user avatar
  • 2,963
20 votes
3 answers
2k views

What are these keys on the БК-0010-series keyboards, and what do they do?

(Picture taken from Wkipedia) The БК-0011M keyboard has these keys across the top row: ПОВТ (perhaps short for Повтор, which means Repetition; perhaps used for key repeat) КТ Three arrows which look ...
Omar and Lorraine's user avatar
26 votes
3 answers
4k views

What did Ctrl+NumLock do?

In my answer here I infer that the unusual scancode for the Pause/Break key emulates the user pressing and then releasing CtrlNumLock. Obviously that key combination did something specific, back when ...
Stack Exchange Supports Israel's user avatar
4 votes
3 answers
361 views

Were there clones and/or national variants of IBM's 84-key AT keyboard?

The 84-Key IBM AT keyboard (the one with a visibly separated numbers block but without dedicated cursor keys, with ESC and a dedicated SysRq key in the numbers block) seems to be the rarest of the old ...
TeaRex's user avatar
  • 967
5 votes
0 answers
284 views

How can I prevent unwanted key repeat when using PS/2 keyboard with USB adapter?

I'm currently using an IBM Model M keyboard with a PS/2-to-USB active adapter. When I type fast on my main PC, almost any key will get "stuck" and keeps repeating until I press another key. ...
Joachim E's user avatar
29 votes
3 answers
5k views

Was there a keyboard layout starting with "TBSY"?

Watching an episode of Murder, She Wrote (7x12 "Suspicion of Murder") and, at one point, a character picks up a typewriter and throws it through a window. However, said keyboard has the ...
jimbobmcgee's user avatar
4 votes
1 answer
777 views

What was the first backlit keyboard and were the shift characters illuminated?

I recently bought a Logitech G915 TKL Keyboard. https://www.logitech.com/assets/65840/g915-lightspeed-wireless-rgb-mechanical-gaming-keyboard-qsg.pdf It's great but a massive disadvantage is that ...
chasly - supports Monica's user avatar
6 votes
2 answers
596 views

CONIN (Console In) in CP/M and "old characters" in character latch

CP/M uses CONIN to read a single character from the keyboard, and it will assert CONST to poll the status register for incoming characters. Let's assume the keyboard controller can buffer one ...
BipedalJoe's user avatar
61 votes
4 answers
13k views

Why is Ctrl-V the Paste shortcut?

We now casually use the Ctrl-C to Copy. We also use Ctrl-X to Cut. I understand this choice. We cannot reuse Ctrl-C and the 'X' represents a cross. Crossing something out on a sheet of paper was ...
Alexis Wilke's user avatar
29 votes
4 answers
5k views

Why was the "Space-cadet keyboard" called that?

Many of us have heard of the so-called "Space-cadet keyboard" from 1978 (famous for including a mind-boggling number of modifier keys including control, meta, hyper, super, shift, top, front,...
Robert Columbia's user avatar

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