Weird 8-inch floppy disk

Josh Dersch derschjo at
Tue Dec 2 23:11:41 CST 2014

On 12/1/2014 10:12 PM, David Griffith wrote:
> 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?

Hey David -- I sent you a response offline yesterday, didn't hear 
anything back.  Figured I'd post here just in case it ended up in a spam 


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