Interrupt 02h Non-maskable interrupt(0:0008h) Vector not disabled via CLI. Generated by NMI signal in hardware.
This signal has various uses:
POST parity error Parity error: all except Jr and Convertible
INTEL\8087 Coprocessor interrupt: all except Jr and
Convertible
Keyboard interrupt: Jr, Convertible
I/O channel check: Convertible, PS50+
Disk-controller power-on request: Convertible
System suspend: Convertible
Real-time clock: Convertible
System watch-dog timer, time-out interrupt: PS50+
DMA timer time-out interrupt: PS50+
Infrared keyboard link: PCjr