New answers tagged ibm-pc
12
votes
What did Ctrl+NumLock do?
CTRL+NUMLOCK was Pause, CTRL+SCROLLOCK was Break.
It was not until later that the keyboard was updated with new buttons for newer machines, and got a separate key for Pause/Break, which then still ...
- 24.2k
-5
votes
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 Ctrl+NumLock.
No it does not.
Left CTRL is 1D
Right CTRL is E0 1D
Pause/...
- 195k
28
votes
What did Ctrl+NumLock do?
In the IBM PC 5150, CtrlNumLock paused the system until another key (not NumLock) was pressed. As described in page 5-21 of the relevant Technical Reference:
The combination of the Ctrl and Num Lock ...
- 111k
Top 50 recent answers are included
Related Tags
ibm-pc × 228history × 33
hardware × 33
ms-dos × 31
bios × 21
keyboards × 15
video × 12
gaming × 12
floppy-disk × 11
hard-disk × 11
graphics × 10
memory × 10
memory-layout × 9
boot × 9
x86 × 9
software × 7
ibm × 7
sound × 7
motherboard × 6
amiga × 5
emulation × 5
identify-this-game × 5
display × 5
80286 × 5
80386 × 5