5 Technical Information
System Specifications
110
English
IRQs, DMAs, and I/O Addresses Used by Your Personal
Workstation
The IRQ, DMA, and I/O address mappings shown here are for a
Personal Workstation with a basic configuration. The resources used by
your Personal Workstation may vary, depending upon which accessory
boards are bundled with the Personal Workstation.
IRQs used by Personal
Workstation
IRQ0 system
timer
IRQ1 keyboard
IRQ2 system
cascade
IRQ3
free if not used for serial port
IRQ4
free if not used for serial port
IRQ5
free if not used for parallel port or audio
IRQ6 flexible
disk
drive
controller
IRQ7
free if not used for parallel port or audio
IRQ8 real-time
clock
IRQ9
available for PCI, if not used by ISA board
IRQ10
available for PCI, if not used by ISA board or audio
IRQ11
available for PCI, if not used by ISA board
IRQ12
free if the mouse is disabled in SETUP
IRQ13 processor
IRQ14 integrated
IDE
controller
IRQ15
available for PCI, if not used by ISA board or
secondary IDE controller
DMAs used by Personal
Workstation
DMA 0
free
DMA 1
free if not used for parallel port or audio
DMA 2
flexible disk drive controller
DMA 3
free if not used for audio
DMA 4
used to cascade DMA channels 0-3
DMA 5
free if not used for audio
DMA 6
free
DMA 7
free if not used for audio
Summary of Contents for VECTRA XW
Page 1: ...HP Vectra XW User s Guide ...
Page 3: ...User s Guide ...
Page 12: ...xii English ...
Page 129: ...6 Hewlett Packard Support and Information Services ...
Page 152: ......
Page 153: ...Regulatory Information and Warranty ...
Page 161: ......
Page 162: ...Part Number Printed in 50 D4514 90001 USA 8 96 ...