A Portuguese reader contributed this:
Acho q resolvi o problema do ntldr, experimenta por o hdd como master e o dvd em slave (tinha ao contrário) depois o winxp instalou normalmente..
Which http://translate.google.com/ said means:
Guess I solved the problem of ntldr, try a hdd as master and slave on dvd (it had the opposite) after winxp installed normally ..
I'm glad he got it working. If you are building a computer and are using "Parallel" hard drives, you will need to read up on how to properly set your "jumpers".
These links should help you get started: