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What are System Resources
When a new device is installed, it needs a set of system resources which will enable it to communicate with the processor and memory without conflicting with other devices.
These system resources could be:
Nowadays, the operating system and ACPI (Advanced Configuration and Power Interface) can often take care of these settings but if you have a computer with or an older motherboard which does not support ACPI, you will need to know the general resource settings.
What is a legacy device?
A legacy device is a type of device or peripheral that is not Plug-
These jumpers will define the IRQ and I/O Port settings. Alternatively, the manufacturer will have defined the IRQ and Port settings that the device can use.
These devices will have information and settings stored in files such as CONFIG.SYS, AUTOEXEC.BAT and SYSTEM.INI
If a legacy device is installed the operating system will try to accommodate it by adjusting the settings for Plug and Play devices. A dialog box will appear and guide the user through the process for changing these settings.
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