First check for all the Win XP drivers for your hardware.
HP Support & Drivers | United States
If your Win XP CD, does not support your Sata Controller, you will need to load drivers to uses at F6.
Load Sata Controller drivers with a floppy disk is the best way.
SATA Drivers - Load in Windows XP Setup on Dual Boot
SATA Drivers - Slipstream into Windows XP CD
You can download your F6 Sata Controller drivers from here:
NOTE: Please read this thread fully.
General XP Downgrade Guide for HP Laptops - HP Support Forum
Dual Boot Installation with Windows 7 and XP
A bit more reading.
BCDEDIT - How to Use
System Restore Points - Stop XP Dual Boot Delete - Vista Forums
Have you looked at using XP Mode, Virtual Player, VMWare, Virtual Box.
Windows XP Mode - Install and Setup