Re: How is a non-present slave detected on an ATA channel?
Posted on 2022-05-01, 23:01
Michal Necasek investigated this some time ago and posted here: https://www.os2museum.com/wp/reading-from-void/ Summarizing the relevant point of that post: IDE interface boards should make sure that BSY appears clear if the drive doesn't actively pull it high. It does so by having a pull-down …