Re: HD 5 1/4 disks on Apple //?

[mjmahon@aol.com (Michael J. Mahon)]

lockar asked:

>     How iffy is it to use High Density 5 1/4 disks on the Apple //?  I
>am having a problem finding DSDD disks on the net at a good price.  But
>I can find DSHD 5 1/4 disks cheap on the net.

It's impossible.  The Disk ][ does not generate strong enough write fields
to record to 5.25" HD media.

>    I know using HD 3 1/2 disks is realy iffy because of the magnetic
>fields on HD disks are lower then those of DD disks (or is that the
>other way around?)

It's the other way around.  The problem is similar to 5.25" HD media,
but the difference in media coercivity is smaller, so that it sometimes
works (or appears to work) for a while
.
-michael

Check out amazing quality sound for 8-bit Apples on my
Home page:  http://members.aol.com/MJMahon/