At 02:12 PM 10/22/2005, Fred Cisin wrote:
 Exam question:  what is actually measured by those
numeric displays? 
 The absence or presence of jumpers on the little daughterboard,
 encoded as digits? 
 One of my machines has a "Turbo" button that changes from "HI" to
"LO".
   It does make a noticeable difference in speed.  Probably inserts a
 bunch of NOPs in or something.  Comes in handy when I'm trying to play
 older games.