[Coco] BUG with rbsuper and tc3 drivers

[Tormod Volden]

>
> This is bit 4 in IT.TYP. The format program will use this to decide
> whether to query the disk itself or to use the descriptor geometry.
> This is explained in the SuperDriver User Manual.

Another good source of information:

http://nitros9.sourceforge.net/wiki/index.php/Random_Block_File_Manager#SuperDesc_-_Super_Driver_Device_Descriptor

Tormod