|How much memory do you have in that old rig? It looks like 512MB is the max it can handle & you'll need the max to be able to run XP reasonably well. IMO, if you have 256MB or less, you're wasting your time...go with W2K instead.|
I suggest you start over. Boot off the CD, delete the partitioning, recreate the partitioning, format as NTFS, then continue with the installation.
BTW, here's the manual for your system: