This was a particular problem when the motors were switched from series to parallel mode, and in order to mitigate this, the controllers were arranged so that the motors were permanently wired in series, and could not be switched to parallel mode.
22.
I saw one paper ( wish I could dig it up right now ) where a guy spent under $ 3000 on his password hacking box, used a GPU version of john in parallel mode, and was getting 8-character passwords in a matter of hours ( not weeks, months, or years ).
23.
There will typically be a delay of a few seconds from requesting the page and it being broadcast and displayed, the time being entirely dependent in the number of pages being broadcast in the magazine ( parallel mode ) or in total ( serial mode ) and the number of VBI lines allocated.