HP Vectra XU PC – Setting Up
Technical Information
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73
IRQs
IRQ 0
system timer
IRQ 1
keyboard
IRQ 2
system cascade
IRQ 3
available if not used for serial port in SETUP
IRQ 4
available if not used for serial port in SETUP
IRQ 5
available if not used for ECP/EPP parallel port in SETUP
IRQ 6
flexible disk drive controller
IRQ 7
available if not used for ECP/EPP parallel port in SETUP
IRQ 8
real-time clock
IRQ 9
available for PCI devices, if not used by ISA board
IRQ 10
available for PCI devices, if not used by ISA board
IRQ 11
available for PCI devices, if not used by ISA board
IRQ 12
available if the mouse is disabled in SETUP
IRQ 13
processor
IRQ 14
integrated PCI Enhanced IDE hard disk drive controller
IRQ 15
available for PCI devices, if not used by ISA board
DMAs
DMA 0
available
DMA 1
available if not used for ECP/EPP parallel port in SETUP
DMA 2
flexible disk drive controller
DMA 3
available
DMA 4
used to cascade DMA channels 0-3
DMA 5
available
DMA 6
available
DMA 7
available
I/O addresses
1F0 h–1F7 h
integrated flexible disk drive controller
278 h–27F h
parallel port 2
2E8 h–2EF h
serial port 4 if enabled in SETUP
2F8 h–2FF h
serial port 2 if enabled in SETUP
3B0 h–3DF h
integrated video controller (on certain models only)
378 h–37F h
parallel port 1
3E8 h–3EF h
serial port 3 if enabled in SETUP
3F4 h–3F7 h
integrated PCI Enhanced IDE hard disk drive controller
3F8 h–3FF h
serial port 1
*Default values are shown in bold.
The IRQ, DMA and I/O addresses shown here are for a PC with a basic configuration. The
resources used by your PC may vary, depending on which accessory boards are bundled
with the PC. For information on the current usage of IRQs, DMAs, and I/O addresses by
your PC, type MSD at the MS-DOS prompt, or run
Plug and Play
in Windows.
Some of the Available Video Resolutions with Windows 3.11 for the Integrated
Video Adapter:
Resolution
:
Colors and refresh rates:
