Hardware Secrets published an article on Hard Disk Drives capacity limits

You may have heard about or even experienced yourself the problem of buying a new hard disk drive to install on your old (and sometimes not that old) machine and facing some size limitation, i.e. your old system does not recognizing the full capacity of your hard disk drive. In this tutorial we will explain why this happens, list all hard disk drive capacity limitations that have ever existed since the PC was created and show you how to fix them.

Hard Disk Drives Capacity Limits