Samsung hm321hi ata winxp driver

Hard drives don't require additional drivers. IDE controllers are supported natively by Windows XP. However you will encounter a 128GiB or 137GB limitation with the original XP installation CD.

See these articles:

How to enable 48-bit Logical Block Addressing support for ATAPI disk drives in Windows XP:
http://support.microsoft.com/kb/303013

Why can I only see 127 to 137 GBytes of my 160+ GB drive in Windows XP? [202313]:
http://seagate.custkb.com/seagate/crm/selfservice/search.jsp?DocId=202313&NewLang=en