The SATA driver you see at the Packard-Bell UK site for your computer indicates it is for Windows 7.
Don't give up so soon. Slightly hidden in the zip file is a "Readme.txt" file that says this:
You can get this driver zip file from Packard-Bell - UK..HEREI assume you are seeking XP drivers. This file is for also for Win 7 with additional OS drivers included.
To create a pre-install disk for 32-bit Win2K/WinXP/Win2003/Vista, please copy all files in the floppy32 folder to the root directory of a floppy disk.
To create a pre-install disk for 64-bit WinXP/Win2003/Vista, please copy all files in the floppy64 folder to the root directory of a floppy disk.