Juniper-systems Allegro DOS Manual Manual do Utilizador descarregar pdf (Página 133)

Allegro DOS Owner’s Manual 133

Hardware Interrupt Listing

The following chart shows the interrupt-level assignments in

decreasing priority.

Level Function

Microprocessor NMI Parity or I/O Channel Check

Interrupt Controllers

CTRL 1 CTRL 2

IRQ 0 Timer Output 0

IRQ 1 Keyboard (Output Buffer Full)

IRQ 2 Interrupt from CTRL 2

IRQ 8 Real Time Clock Interrupt

IRQ 9 Not Used*

IRQ 10 Not Used*

IRQ 11 Expansion Port UART

IRQ 12 Touchscreen

IRQ 13 Not Used

IRQ 14 Not Used*

IRQ 15 Not Used*

IRQ 3 Serial Port 2

IRQ 4 Serial Port 1

IRQ 5 Sound Chip

IRQ 6 Not Used

IRQ 7 Not Used*

*PC Card IRQ assigned by Card and Socket Services.

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Juniper-systems Allegro DOS Manual Manual do Utilizador Página 133