INstall Windows XP in HP DV4-1220US

Method 1: Embedding sata driver for XP installation (reported worked)

Method 2: Slipstream

This guide is reported work by a user, fisrt of all you need to create a new XP CD and the process is called Slipstream:

Material needed:
New writable CD
DVD writer

Fisrt Download: AMD SATA AHCI Controller Driver
-Download (direct)
-Download (official site)

Nlite software:
Download

guide to slipstream:
read here