Re: 5.25" Disk

[dklugh@iwaynet.net]

On 1997-04-25 smentzer@pacbell.net(SteveMentzer) said:
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   >com!news-out.internetmci.com!newsfeed.internetmci.com!www.nntp.
   >primenet Newsgroups: comp.sys.apple2
   >Date: 25 Apr 1997 15:41:57 GMT
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   >References: <dwilson-2404971739040001@dialup04.nas.com>
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   >In article <5jp2mt$761$1@darla.visi.com>, nathan@visi.com says...
   >>In article <dwilson-2404971739040001@dialup04.nas.com>,
   >>dwilson <dwilson@mail.nas.com> wrote:
   >>> How many k's of memory do 5.25" inch disks hold on average?
   >>   Are we talking Apple II format (double or single sided, 13 or 16
   >>sector), IBM format (multiple densities, etc), non-Apple II format,
   >>or what? It does help if people are specific in what sort of
   >>information they want, so that the answer can be properly provided.
   >>   Apple II 5.25" disks formatted in standard form hold either
   >>113.75K/side (13 sector format, and rather rare), or 140K/side (16
   >>sector format, by far the most common). Subtract OS overhead

I'm not sure what "OS overhead" is,but only AppleDOS kept DOS on a certain track as part of the disk format (all disks were bootable).ProDOS allowed you to make non-DOS disks.

   >>(varies by OS) for usable disk space, flip the disk over for more

What other OSes are there for the Apple rather than the one in ROM?

   >>space on the other side, or try and squeeze on some more tracks
   >>(not recommended, as is nonstandard and not guaranteed to work)
   >for extra space. >
   >>   5.25" disks for other platforms, go ask on the appropriate
   >newsgroups. >

Well if you're going to store a bunch of little files,remember that each file will have a one sector overhead for the FAT.For ProDOS,a one sector file won't have a FAT.Obviously bigger files have more FAT sectors.

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