<storage> Commodore Business Machines's allegedly "advanced" disk drive for use with the C128. It is basically a 1541 with the capability to use "burst loading" (like the Commodore 1571), and lots of new bugs.
The Commodore 1571 was a double-sided version of the 1570.
(1996-04-07)
Try this search on Wikipedia, OneLook, Google
Nearby terms: Commodore 1010 « Commodore 128 « Commodore 1541 « Commodore 1570 » Commodore 1571 » Commodore 1581 » Commodore 64