Case Study: A Simple IDE Disk Driver

To dig a little deeper here, let’s take a quick look at an actual device: an IDE disk driver“AT Attachment Interface for Disk Drives” by Lawrence J. Lamers. Reference number: ANSI X3.221, 1994. Available: ftp://ftp.t10.org/t13/project/d0791r4c-ATA-1.pdf. A rather dry document about device interfaces. Read it at your own peril.. We summarize the protocol as described in ...