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.

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.