(01-15-2014, 05:34 PM)longbow75 Wrote: I'm gonna jump in the conversation with a newbie question, my apologies. I also have 5.25 PC floppies and I want to know how to identify a 5.25 floppy if it's dd or hd or the capacity 360k,1.2mb or whatever?There's 4 different 5.25" formats that I've heard of, although the most common are the 360K double-sided double-density (DSDD) and the 1.2MB double-sided high-density (HD).
The others are 8 and 9 sector single-sided single-density (160K/180K respectively).
If you look at a few tracks in the analyzer, you can tell pretty quickly between HD and DSDD. If you look at a few of the odd tracks and they look pretty clean, good chance it's an HD disk. If the data on there looks like it exploded, then it's probably a DSDD disk.
For the single-sided disks, looking at head 1 should show noise assuming the back of the disk wasn't used. I haven't personally seen the single sided PC disks in the analyzer, but you would probably be able to see the individual sectors in the pattern, and could then see if there are 8 or 9 of them. You can definitely see 9 sectors on the DSDD disks.
A quick google shows all kinds of other PC formats.. 320KB/400KB/720KB/1440KB, 8 sector double sided, 10 sector, etc..