RE: Track/Sector Indicator on Drives

From: Baltissen, GJPAA (Ruud) (
Date: 2003-09-05 10:06:19

Hallo Nick,

I only can imagine a track indicator because at 360 rpm the sector info
would change about 120 time/sec. :)

The track indicator is just a hardware trick. AFAIK the device watches some
lines of the 6522 and in- or decreases the numbers according the read
signals. I have two at home and will ahve a closer look. It was also
published in a 64'er so I could scan it. One drawback: it is in German.

   / __|__
  / /  |_/     Groetjes, Ruud
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