HP Armada 4200 Armada 4100 and 4200 Families of Personal Computers Maintenance - Page 174
System Interrupts, Table 6-18
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6.9 System Interrupts IRQ0 IRQ1 IRQ2 IRQ3 IRQ4 IRQ5 IRQ6 IRQ7 IRQ8 IRQ9 IRQ10 IRQ11 IRQ12 IRQ13 IRQ14 IRQ15 IRQA Hardware IRQ Table 6-18 System Function Timer interrupt Keyboard Interrupt controller cascade COM 2 - used by MSIO or PCMCIA controller COM 1 - used by MSIO or PCMCIA controller Used by either audio or PCMCIA controller Diskette Drive controller Used by either audio or PCMCIA controller Real-Time Clock (MSIO) Used by either audio or PCMCIA controller Used by either audio or PCMCIA controller Used by PCMCIA Mouse Floating point error input Hard Drive Convenience base NIC interrupt EPP parallel port 6-18 Specifications
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6-18
Specifications
6.9
System Interrupts
Table 6-18
Hardware IRQ
System Function
IRQ0
Timer interrupt
IRQ1
Keyboard
IRQ2
Interrupt controller cascade
IRQ3
COM 2 - used by MSIO or PCMCIA controller
IRQ4
COM 1 - used by MSIO or PCMCIA controller
IRQ5
Used by either audio or PCMCIA controller
IRQ6
Diskette Drive controller
IRQ7
Used by either audio or PCMCIA controller
IRQ8
Real-Time Clock (MSIO)
IRQ9
Used by either audio or PCMCIA controller
IRQ10
Used by either audio or PCMCIA controller
IRQ11
Used by PCMCIA
IRQ12
Mouse
IRQ13
Floating point error input
IRQ14
Hard Drive
IRQ15
Convenience base NIC interrupt
IRQA
EPP parallel port