BitBender has posted a tutorial on Installing Windows XP - Step by Step.

Like Windows 2000, XP makes extensive use of the Microsoft ACPI (Advanced Configuration & Power Interface), which relies heavily on your system BIOS (Basic Input / Output System). Many slightly older systems may not be set up to take advantage of ACPI functionality, so it's worth checking with your motherboard and/or peripheral vendor to see if an ACPI compliant BIOS upgrade exists for your hardware.

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