[DC LoCo] Very Off Topic: Computer tee shirt

[Keith Howell]

On the TRS80, you had to cut out the 'write protect' tab and then punch a
hole in the right place near the hub for the index hole. The drives
measured their speed with an optical sensor through a small hole near the
hub.

Keith
On Mar 14, 2012 9:48 AM, "Eric Maag" <eric.maag at gmail.com> wrote:
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