System Interrupts; System Dma - HP ProSignia 120 Maintenance And Service Manual

6.12 System Interrupts

Hardware IRQ
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ8
IRQ9
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15

6.13 System DMA

Hardware DMA
DMA 0
DMA 1
DMA 2
DMA 3
DMA 4
DMA 5
DMA 6
DMA 7
6-14 Specifications
Table 6-14
Hardware Interrupts
System Function
Timer interrupt
Keyboard
Interrupt controller cascade
COM 2
COM 1
Audio
Diskette Drive controller
EPP Parallel
Real-Time Clock (MSIO)
PCI devices
Unused
Used by PCMCIA
Mouse
Floating point error input
Primary IDE interface
Secondary IDE interface
Table 6-15
DMA Channels
System Function
Fast infrared or Audio controller
Audio controller
Diskette drive controller
EPP Parallel Port
Not assigned
Audio Controller
Not assigned
Not assigned