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Commodore 8060

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Commodore 8060
ManufacturerCommodore Business Machines, Inc.
TypeFloppy drive
Media
  • 8" double-sided, double-density floppy disk (8060)
  • 2 × 8" double-sided, double-density floppy disk (8061/8062)[1]
Operating systemCBM DOS 2.7
CPU2 × MOS 6502 @ 1 MHz
Storage750 kB per disk (8060)

800 kB per disk (8061)

1.6 mB per disk (8062)[2][1]
ConnectivityParallel IEEE-488[2]
Backward
compatibility
PET, 4000-series, 8000-series, B128; Commodore 64, Commodore 128, VIC-20 with IEEE-488 adapter
SuccessorCommodore 8280, 8050

The Commodore 8060, 8061, and 8062 are a series of 8" floppy disk drives developed by Commodore Business Machines. These disk drives use the parallel interface IEEE-488 to connect with Commodore's PET and CBM-II 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 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.[2] Each drive in the series contains two MOS 6502 microprocessors for operating the disk controllers 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

[edit]
An 8" floppy disk, in comparison, the largest–sized common removable storage medium in the last half-century
  1. ^ a b "Laufwerke - CBM 8060" [Drives - CBM 8060]. Commodore Computer Online Museum (in German). Retrieved 19 March 2015.
  2. ^ a b c "The Disk Drives: SFD 1001, 1541D, 1542, 1543, 1551 (SFS 481), 1561, 1563, 1565, 1570, 1571-II, 1571CR, 1572, 1590/1591, 8060, 8061, 8062, 8280". Secret Weapons of Commodore. Retrieved 25 April 2020.



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