APPENDIX
72
IB965 User’s Manual
B. Interrupt Request Lines (IRQ)
Peripheral devices use interrupt request lines to notify CPU for the service
required. The following table shows the IRQ used by the devices on
board.
Level
Function
IRQ0
System Timer Output
IRQ1
PS/2 Keyboard
IRQ3
Serial Port #2
IRQ4
Serial Port #1
IRQ7
Serial Port #3
IRQ8
Real Time Clock
IRQ11
Serial Port #4
IRQ12
PS/2 Mouse
IRQ18
82583V Gigabit Network
IRQ20
82579V Gigabit Network
Содержание IB965F
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