Windows Install Hang

We just put a new hard drive, and a new CD-RW in my sons computer, and are
trying to install XP. We have formatted and partitioned the drive, and when
we boot with XP, everything seems fine until we get to "installing devices".
At this point the XP time estimate drops from about 37 to 34 minutes, but
then the computer just hangs, and there is no further movement of the time,
and the hard drive stops being accessed. We have tried this about 6 or 7
times now, with 2 different XP disks, and with a couple of different
partition arrangements.

The new drive is a Seagate 80G, and if we go to dos, we can see it and 80 G
is what is indicated. This computer has been running fine before with XP.

Does anyone have any idea what the problem could be?

Thanks,

Jack