In computing, a non-maskable interrupt (NMI) is a hardware interrupt that standard interrupt-masking techniques in the system cannot ignore. It typically...
8 KB (995 words) - 08:46, 14 June 2025
The Interrupt flag (IF) is a flag bit in the CPU's FLAGS register, which determines whether or not the (CPU) will respond immediately to maskable hardware...
5 KB (652 words) - 20:16, 18 December 2022
which are affected by the mask are called maskable interrupts. Some interrupt signals are not affected by the interrupt mask and therefore cannot be disabled;...
46 KB (5,726 words) - 14:31, 9 July 2025
from Intel OpenPIC and IBM MPIC Inter-processor interrupt (IPI) Interrupt latency Non-maskable interrupt (NMI) IRQL (Windows) "Intel® 64 and IA-32 Architectures...
4 KB (424 words) - 17:15, 6 April 2025
(Windows) Non-maskable interrupt (NMI) Programmable Interrupt Controller (PIC) Red zone "The Linux Kernel Module Programming Guide, Chapter 12. Interrupt Handlers"...
13 KB (1,799 words) - 05:59, 15 April 2025
flow control) Inter-processor interrupt (IPI) Interrupt Interrupt handler Non-maskable interrupt (NMI) Programmable Interrupt Controller (PIC) Response time...
6 KB (667 words) - 15:33, 21 August 2024
breakpoint. IPIs are given an IRQL of 29. Interrupt Interrupt handler Non-maskable interrupt (NMI) "Appendix F: Multiprocessing Extensions" (PDF). OS I/O Supervisor...
4 KB (390 words) - 12:27, 9 July 2025
Inter-processor interrupt (IPI) Interrupt Interrupt handler Interrupt latency Message Signaled Interrupts (MSI) Non-maskable interrupt (NMI) Intel MultiProcessor...
17 KB (2,024 words) - 14:59, 15 June 2025
ANTIC (section DLI Modifer - Display List Interrupt)
for a user program to write here. Non-Maskable Interrupt (NMI) Status The Operating System's Non-Maskable Interrupt dispatch routine reads this register...
95 KB (12,291 words) - 07:37, 24 July 2025
any of several types of corrective action, including maskable interrupt, non-maskable interrupt, hardware reset, fail-safe state activation, power cycling...
23 KB (2,881 words) - 03:48, 2 April 2025
interrupt, edge-triggered IRQ a maskable interrupt, level-triggered ABORT a special-purpose, non-maskable interrupt (65C816 only, see below), level-triggered...
29 KB (3,677 words) - 13:05, 21 December 2024
a non-maskable interrupt line that the Intel 8080 processor does not. One unassigned line of the S-100 bus then was reassigned to support the non-maskable...
17 KB (2,110 words) - 12:32, 2 April 2025
the SYNC pin, the set overflow (SO) pin, either the maskable interrupt or the non-maskable interrupt (NMI), and the four most-significant address lines...
118 KB (11,835 words) - 13:51, 17 July 2025
Interface, an instruction format used in the IBM i operating system Non-maskable interrupt, in computing NMI (gene) Navi Mumbai International Airport (IATA...
1 KB (172 words) - 06:18, 22 October 2024
floppy-disk, parallel port printer interface and a "magic button" (see Non-maskable interrupt), it also offered twin joystick ports, Sinclair ZX Net-compatible...
5 KB (413 words) - 23:55, 2 February 2025
A parallel printer port A "magic button" The latter generated a non-maskable interrupt, freezing any software running on the Spectrum and allowing it to...
5 KB (664 words) - 01:44, 28 November 2023
push switches to trigger the board's RESET, IRQ (Interrupt ReQuest) and NMI (Non Maskable Interrupt) lines. Almost all CPU signals were accessible via...
6 KB (521 words) - 02:41, 14 April 2024
other programs and more. Single stepping was made possible using non-maskable interrupt (NMI). The command prompt was the less-than sign "<", and on receiving...
8 KB (847 words) - 19:34, 1 February 2025
the number of I/O port pins from 6 to 8, but omits the pins for non-maskable interrupt and clock output. It is used in Commodore's C16, C116 and Plus/4...
6 KB (528 words) - 12:10, 17 June 2025
software-scanned keyboard, to drive a LED ("DRIVE") and to generate a timed non-maskable interrupt (NMI) that was used to provide a hardware single-step capability...
34 KB (3,701 words) - 22:49, 16 May 2024
an error handler in an operating system or a hardware-triggered non-maskable interrupt. Systems may be configured to reboot automatically after a power...
16 KB (1,811 words) - 21:25, 28 July 2025
codes are as follows: 00: Division fault 01: Startup Error 02: Non-Maskable Interrupt 03: Shutdown Error 04: Overflow Trap 05: Bounds Check Fault 06:...
49 KB (5,337 words) - 01:55, 3 August 2025
has a retractable carrying handle only on non-Compact models, a reset button, and a non-maskable interrupt (NMI) button. The rear has a variety of ports...
26 KB (2,224 words) - 22:44, 1 August 2025
interrupt. Broadcast storm Inter-processor interrupt (IPI) Non-maskable interrupt (NMI) Programmable Interrupt Controller (PIC) "Problems updating FreeBSD's...
7 KB (948 words) - 18:51, 30 December 2024
Intel 8259 (category Interrupts)
1986 Advanced Programmable Interrupt Controller (APIC) IF (x86 flag) Interrupt handler Interrupt latency Non-maskable interrupt (NMI) "Intel datasheet"....
11 KB (1,618 words) - 12:17, 6 July 2025
Page Table support, virtual processor identifiers (VPIDs), and non-maskable interrupt-window exiting. SSE4.2 and POPCNT instructions. Macro-op fusion...
32 KB (1,478 words) - 20:15, 13 July 2025
vector interrupt system, mode 1, for simple systems with minimal hardware (with mode 0 being the 8080-compatible mode). A non-maskable interrupt (NMI)...
118 KB (12,641 words) - 17:10, 15 June 2025
Programmable Interrupt Controller (APIC) OpenPIC and IBM MPIC Inter-processor interrupt (IPI) Interrupt latency Non-maskable interrupt (NMI) IRQL (Windows)...
2 KB (239 words) - 08:44, 27 March 2023
copy-protected media. Pressing the red button on the Multiface raised the non-maskable interrupt line on the computer's processor, effectively taking control of...
10 KB (1,182 words) - 23:50, 3 February 2025
(bits 12–15) in order for the interrupt request to be served. In addition, the /LOAD input provides a non-maskable interrupt facility with a dedicated vector...
26 KB (2,903 words) - 11:25, 18 July 2025