ManageDsk "Sectors are not interlaced: force interlacing?"

[Jonathan]

When I click "Read DSK" for any of my disc images, I get the message above. Could someone possibly explain what it means, or just say which option I should choose?

The disc image seems to be read all right when I click "No". I've not tried clicking "Yes" yet.

I'm using ManageDsk v0.20g.

Thanks.

[Targhan]

Loading will be much faster when the sectors are interlaced, because the Amsdos needs some time between reading two sectors. So when wanting to read the next logical one, it actually misses it, and the head will have to wait for the next disc rotation to reach it. When interlacing sectors, the amsdos has time to do whatever it needs after reading a sector, and read the next logical sector which happens to be the next one.

Note that it shouldn't be done for pure track-load productions, which, unless they do something with the read sector immediately, can read all the sectors of a track in a row.

[Jonathan]

Thanks for the explanation. I think I'll continue to click "No" for now at least, as I'm working with disc images that are just backups of my old discs, and I'm not too bothered about loading speed.

[Targhan]

I think you should click "Yes". It's unlikely your discs were using non-interleaved sectors, it's probably the dump which read them linearly.

[Jonathan]

Thanks again. I copied the discs to images using DISCKIT3.