Irqs, Dmas, And I/O Addresses Used By Your Pc - HP Vectra VL600 Supplementary Manual

NOTE
5 Technical Information

IRQs, DMAs, and I/O Addresses Used by Your PC

IRQs, DMAs, and I/O Addresses Used by Your PC
IRQs used by PC
IRQ0
IRQ1
The IRQ, DMA, and I/O
IRQ2
address mappings
IRQ3
shown here are for a
IRQ4
PC with a basic
IRQ5
configuration. The
IRQ6
resources used by
IRQ7
your PC may vary,
IRQ8
depending upon which
IRQ9
accessory boards are
bundled with the PC. IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15
DMAs
DMA 0
used by PC
DMA 1
DMA 2
DMA 3
DMA 4
DMA 5
DMA 6
DMA 7
An audio card will use at least one IRQ and one DMA.
A LAN card will use at least one IRQ.
A video card will use one IRQ.
132
system timer
keyboard
system cascade
used by serial port if enabled
used by serial port if enabled
free if not used by parallel port or embedded audio controller
floppy disk controller
used by parallel port if enabled
real-time clock
available for PCI devices, if not used by ISA board or USB port
available for PCI devices, if not used by ISA board or USB port
available for PCI devices, if not used by ISA board or USB port
mouse
co-processor
integrated IDE hard disk drive controller
free if not used by second IDE controller
free
free if not used for parallel port in Setup
floppy disk controller
free if not used for parallel port in Setup
used to cascade DMA channels 0-3
free
free
free