Welcome to Hard Drive Parameters! Our goal is to provide drive parameters for as large a variety of drives as possible. We started with MFM and RLL drives, and have expanded to include other interfaces. We currently have 759 drives in our database. We are currently completing projects to add several hundred more, along with expanded parameters for those already in the database!

Click on a manufacturer link in the left column to begin.

NEW! We now have a quick and easy lookup page to help identify various cards and other computer items that sometimes have FCC ID's, but no manufacturer info! Simply enter the first three characters of the FCC ID into the 'Search FCC ID' box above and click the 'lookup' button.