These are from the original driver disk included in the box for my Abit KD7-RAID mainboard. Unzip files to A \Win_2000 and use during the Windows 2000 installation if needed by specifying a third party RAID controller. No clue if this will work for you, but here it is. Good luck!
The following files are found inside the driver download file.
|hpt3xx.inf||2.9 KB||2 Jul 2002|
|hptpro.sys||9.5 KB||27 Apr 2002|
|hpt3xx.sys||40.0 KB||5 Jul 2002|
|hpt3xx.cat||8 bytes||20 Dec 2001|