The Commodore 8060, 8061, and 8062 are a series of 8"

floppy disk A floppy disk or floppy diskette (casually referred to as a floppy, or a diskette) is an obsolescent type of disk storage composed of a thin and flexible disk of a magnetic storage medium in a square or nearly square plastic enclosure lined w ...

drives developed by Commodore Business Machines. These disk drives use the parallel interface IEEE-488 to connect with Commodore's PET and

CBM-II The Commodore CBM-II series is a short-lived range of 8-bit personal computers from Commodore Business Machines (CBM), released in 1982 and intended as a follow-on to the Commodore PET series. Technical description The CBM-II has two incarnat ...

line of microcomputers. The 8060 is a single-disk model, while the 8061 and 8062 are both double-drive models similar to the later

Commodore 8280 The Commodore 8280 is a dual 8" floppy disk drive for Commodore International computers. It uses a wide rectangular steel case form similar to that of the Commodore 4040, and uses the parallel IEEE-488 interface common to Commodore PET/CBM com ...

8" drive. The drives in the 806x series are full-height Shugart SA-800s. All of the models in the 8060 series use Commodore group coded recording (GCR) for disk reading and writing; the later 8061 and 8062 models can also read and write IBM 3740 format disks. Each drive in the series contains two MOS 6502 microprocessors for operating the

disk controller {{unreferenced, date=May 2010 The disk controller is the controller circuit which enables the CPU to communicate with a hard disk, floppy disk or other kind of disk drive. It also provides an interface between the disk drive and the bus connect ...

s and executing the built-in disk operating system. The built-in operating system is CBM DOS 2.7. The ROM on the 8061 and 8062 does not contain support for formatting disks; instead a provided utility disk had the formatter program, which allows the user to select between native 806x and IBM 3740 formats. The utility disk also contained a program for doing whole disk copies of IBM disks as well as the VALIDATE command, which is included in the ROM of all other Commodore drives.

References

CBM floppy disk drives {{microcompu-stub