Weird 8-inch floppy disk

David Griffith dgriffi at
Tue Dec 2 00:12:04 CST 2014

On Mon, 1 Dec 2014, Josh Dersch wrote:

> On 12/1/2014 9:53 PM, David Griffith wrote:
>> I found a ten-pack of 8-inch floppy disks that have me confused. They're 
>> from STAM@, a name I've never heard of before.  It's clear that they're 
>> hard-sectored, but the index and sector holes are along the outer edge. 
>> There's also a notch cut into the corner. Both of these appear to be done 
>> in an attempt to restrict users to a single vendor of floppies.
>> Here are some pics:
> Those look suspiciously like floppies for the Memorex 650/651 -- the first 
> commercially available read/write floppy drive (1972).  I just picked up a 
> 651 myself (mostly because it looks cool, I can only hope to someday have a 
> machine to use it with...)  If you're willing to spare one of those disks (so 
> I have a matching set) let me know... :).

Would you like all of them?  Got anything interesting to trade?

David Griffith
dgriffi at

A: Because it fouls the order in which people normally read text.
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