Former (Windows) versions didn't even support native floppies (only USB floppies where working).

It seems, it is not possible to access the native floppy drives (those connected to the 34 pin Shugart bus of the mainboard) on Windows 10 (v1803). Share on have now tried nearly anything.Did you use the same medium or have you tried other media as suggested by Rich? Ql_Freak, you tried the disk on an external drive, then on the different internal drive. No two drives are identical (head alignments, magnetism etc.) even if they are the same model. Regarding the main topic: it is not uncommon that some disks are normally read by a drive but not recognised by a different drive. I'm utilizing a hundred of Amiga600 disks: some does not result in 1440/1440 sectors, but they often are OK.Īnyway, it is possible that the previous Amiga owner took special care of his disks or utilized them rarely. Indeed the failing percentage of Amiga disks is higher than other media, but I have to say that in my case the situation is not so terrible. RWAP wrote:Actually I have found disks previously formatted on the Amiga to be extremely unreliable when trying to reformat them on a QL - a high percentage failed to reformat or if they did, did not result in 1440/1440 sectors.

From Duncan's experience, it's obvious that even those tips aren't the answer to all the problems. Looks like all we can do is to follow the suggestions of RWAP and I as regards formatting, to try them out - the FORMAT command from DOS and the use of *D to 'force' DD formatting. Reading online forums, it seems that the whole topic of floppy disks is hit and miss even for PC users. My experience has always been that from Windows 7 onward it was very hit and miss. It looks like RWAP and I have been lucky that we can use QDOS DD disks to various extents on our PC systems. I still have a lot of old program disks on DD disks which I occasionally need to access, even though most have over time been copied over to other media. I also still get sent DD disks in the post occasionally from people who want a copy of something on my website but haven't the experience/confidence/tools to download, transfer to QL, unzip etc. The reason why I want to be able to use DD disks is that one of my QL systems only has DD disk drives and an old disk interface which does not support DD disk drives.

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