HP Armada 1500 Compaq Armada 1500 Family of Personal Computers Maintenance and - Page 158

9.9 System Interrupts Hardware IRQ IRQ0 IRQ1 IRQ2 IRQ3 IRQ4 IRQ5 IRQ6 IRQ7 IRQ8 IRQ9 IRQ10 IRQ11 IRQ12 IRQ13 IRQ14 IRQ15 Table 9-12 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 EPP Parallel or Audio 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 9.10 System DMA Hardware DMA DMA 0 DMA 1 DMA 2 DMA 3 DMA 4 DMA 5 DMA 6 DMA 7 Table 9-13 System Function Fast infrared or Audio controller Audio controller Diskette drive controller EPP Parallel Port Not assigned Audio Controller Not assigned Not assigned Specifications 9-11