On Mon, 26 Jul 2021, Peter Corlett wrote:
When writing, PC-style disk controllers scan for the appropriate sector header then switch to write mode to overwrite the old sector data. This requires guard bands between sectors and sector headers. The PC's
This is not called a guard band. A guard band is the erased zone between tracks. What you mean is called sector gap, there are multiple gaps between sector headers and sector data.
Christian
