[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Did the Apple II use single-density 5.25" drives?
On Friday, June 7, 2013 9:39:03 AM UTC-5, Michael Black wrote:
> On Fri, 7 Jun 2013, Sean Fahey wrote:
>
>
>
> > On Friday, June 7, 2013 8:28:00 AM UTC-5, schmidtd wrote:
>
> >
>
> >> That's right... the original mechanism specification only required
>
> >> movement through 35 tracks; I've had early floppy media with some
>
> >> characteristics like smaller access windows and smaller writable area
>
> >> that would not allow head movement through 40 tracks. Time passed, and
>
> >> media and mechanisms all supported 40 tracks - but OSes on the Apple II
>
> >> side never expanded to take advantage of it.
>
> >
>
> > Diskettes finally got cheap enough that only the stingiest of users
>
> > cared about cramming as much data as possible on them. Later on,
>
> > everyone I knew who ever used 40 tracks to backup their hard drives
>
> > ended up regretting it eventually.
>
> >
>
> > I recall my first 3 disks cost me a months allowance and chore money.
>
> > I'm kinda glad I wasn't old enough to start dating yet or I'd have been
>
> > using cassettes for a few more years. Girlfriends were even more
>
> > expensive.
>
> >
>
> I still have the bill for the first box of 10 floppy disks I bought, in
>
> 1984, it's just under fifty dollars here in Canada. Of course, that was
>
> name brand, "Elephant" if I remember. I admit I was worried, so I didn't
>
> buy the outright cheapest, though I can't remember if generic floppies
>
> were out there yet.
>
>
>
> It bugged me that I'd just bought a floppy disk drive and controller, and
>
> they hadn't bothered tossing in a blank floppy so I could get going right
>
> away. I seem to recall buying a pack of 2 floppy disks first, so I had
>
> something until I spent more money.
>
>
>
> I'd say capacity was an issue. With my Radio Shack COlor Computer, I
>
> found a single 360K floppy a tad small. I was running Microware OS-9, and
>
> I found I had to make multiple boot disks, have the operating system on
>
> more than one disk, and then say games added to one, development added to
>
> another, writing to another. I forget exactly, but the operating system
>
> ("unix-like") took up enough space that I had to trim in order to add
>
> other things. And then the second floppy drive, when I got it (at a much
>
> ower price than the first one), was used for my own files, like text and
>
> assembler files.
>
>
>
> I well remember when I got a 3.5" floppy drive, wham double the capacity.
>
> So I could put everything I wanted on one disk, OS-9 and the C Compiler
>
> and the text editing stuff. It was suddenly "like a hard drive", large
>
> enough that I didn't hve to change disks.
>
>
>
> What a different world it was.
>
>
>
> Michael