Strange Old Disk

From: Lee Courtney <>
Date: Mon Mar 1 09:28:25 2004


Interesting disk. Do you have any photos with a ruler alongside to show the

Lee C.

> -----Original Message-----
> From:
> []On Behalf Of Neko
> Sent: Sunday, February 29, 2004 8:10 PM
> To:
> Subject: Strange Old Disk
> I picked this disk up the other day knowing almost nothing about
> mainframe storage methods. I've spent hours upon hours trying to figure
> out what exactly this is but the closest thing I can get to it is an
> RL02 removable cartridge disk, but it's not (I think)! I don't see how
> the same drive could read these since the holes are so much different,
> but it's the same general idea.
> I'm not sending attachments, I put them on a
> site for you to look at, the url is
> ,
> any and all information you could give me about this disk would be
> greatly appreciated, I'm still in the dark about it, and have found very
> little reference at all to CDC ever making a cartridge like this.
> Thank you!
> Best Wishes :)
> Tim
Received on Mon Mar 01 2004 - 09:28:25 GMT

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