Input/output base address

In the x86 architecture, an input/output base address is the first address of a range of consecutive read/write addresses that a device uses on the x86's IO bus. This base address is sometimes called an I/O port.

References

• HelpPC Quick Reference Utility by David Jurgens

External links

• Ralf Brown's Interrupt List – includes a list of I/O ports on IBM PC compatibles
• Base address term definition from Webopedia
• Introduction to IRQs, DMAs and Base Addresses Copyright © 1999, Eugene Blanchard, Published in Issue 38 of Linux Gazette, March 1999
• The PC Guide
• Apogee FAQ at RinkWorks
• Programming the AdLib/Sound Blaster FM Music Chips
• I/O Ports and Controllers on IBM Compatibles and PS/2 at OS/2 Site Australia {dead link, Sept 2018}