4 ms·
Agree, this article is factually incorrect. Everyone who used DOS experienced crashes from time to time and quickly learned about Ctrl-Alt-Del. This was not a W
by marshray 13y ago
Agree, this article is factually incorrect. Everyone who used DOS experienced crashes from time to time and quickly learned about Ctrl-Alt-Del. This was not a Windows thing.
It was sent by the keyboard controller of the PC/AT. http://zet.aluzina.org/images/d/d4/8042.pdf http://zet.aluzina.org/images/d/d4/8042.pdf "Bit 0 of the keyboard is connected to System Reset..." But I think it may have been a pure BIOS thing in the PC/jr/XT.
It was the only way to get a hardware non-maskable interrupt from the user and thus became the basis for the "secure attention key" sequence you had to hit before you type your password on Windows NT. AIUI, this was an Orange Book security requirement.