Commodore 1541 - definition. What is Commodore 1541
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EXTERNAL 5¼" FLOPPY DISK DRIVE FOR THE COMMODORE C64 HOMECOMPUTER
Commodore 154I; VIC-1541; C1541
  • A rear view of the Commodore 1541 disk drive, with the top cover and shielding removed
  • 1541C, the first upgrade version

Commodore 1541         
<storage> The best known floppy disk drive for the Commodore 64. The 1541 was a single-sided 160 Kb drive but converting to flippy disks would give another 160 Kb. The disk drive used Group Code Recording and contained a 6502 processor as a disk controller. Some people wrote code for it to vibrate the head at different frequencies to play tunes. The transfer rate was about 300 bytes per second. The 1541 used a bit-serial version of the IEEE 488 parallel protocol. Some third-party speed-ups could transfer about 4 kilobytes per second over the interface, and some "fast loaders" managed up to 10 kbps. The Commodore 1570 was an upgraded 1541 for use with the Commodore 128. (2000-03-07)
Commodore Business Machines         
  • Amiga CD32 (1993)
  • Amiga 500 (1987)
  • PCB]] was an extraordinary attempt of cost saving by Commodore, which probably failed due to technical problems.<ref>Plus4world.com: [http://plus4world.powweb.com/forum/34360/ Bil Herd: About the Commodore 16 prototype]. Retrieved August 13, 2017</ref>
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FORMER NORTH AMERICAN HOME COMPUTER AND ELECTRONICS MANUFACTURER
Commodore Business Machines; Commodore computers; Commodore computer; Commodore 9290; Commodore International Corporation; Commodore international corporation; C=; Yeahronimo Media Ventures; Gravel (media player); Commodore international; Commodore Canada; Commodore Business Machines, Inc.; Commodore Business Machines Limited; Commodore Büromaschinen GmbH; Commodore Japan Limited; Commodore Electronics (Hong Kong) Ltd.; Commodore Japan; Commodore Electronics; Commodore International Limited; Commodore Portable Typewriter Company; Commodore (company); Commodore International, Ltd.; CBM (company); CBM (computer manufacturer); Commodore Business Machines (UK) Limited; Commodore Business Machines (UK); Commodore Büromaschinen; Commodore Electronics (Hong Kong); Commodore Bueromaschinen GmbH; Commodore Bueromaschinen; Commodore Buromaschinen GmbH; Commodore Buromaschinen; Commodore International Corp; Commodore Business Machines Incorporated; Commodore Business Machines Inc.; Commodore Business Machines Inc; Commodore Business Machines, Inc
<company> (CBM) Makers of the PET, Commodore 64, Commodore 16, Commodore 128, and Amiga {personal computers}. Their logo is a chicken head. On 1994-04-29, Commodore International announced that it had been unable to renegotiate terms of outstanding loans and was closing down the business. Commodore US was expected to go into liquidation. Commodore US, France, Spain, and Belgium were liquidated for various reasons. The names Commodore and Amiga were maintained after the liquidation. On 1995-04-21, German retailer Escom AG bought Commodore International for $14m and production of the Amiga resumed. Tulip Computers took over the brand in the Netherlands. Production of the 8-bit range alledgedly never stopped during the time in liquidation because a Chinese company were producing the C64 in large numbers for the local market there. In 2004, Tulip sold the Commodore name to another Dutch firm, Yeahronimo. In April 2008 three creditors took the company to court demanding a bankruptcy ruling. (2008-04-21)
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The Consolidated Commodore was an American flying boat built by Consolidated Aircraft and used for passenger travel in the 1930s, mostly in the Caribbean, operated by companies like Pan American Airways.

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Commodore 1541

The Commodore 1541 (also known as the CBM 1541 and VIC-1541) is a floppy disk drive which was made by Commodore International for the Commodore 64 (C64), Commodore's most popular home computer. The best-known floppy disk drive for the C64, the 1541 is a single-sided 170-kilobyte drive for 5¼" disks. The 1541 directly followed the Commodore 1540 (meant for the VIC-20).

The disk drive uses group coded recording (GCR) and contains a MOS Technology 6502 microprocessor, doubling as a disk controller and on-board disk operating system processor. The number of sectors per track varies from 17 to 21 (an early implementation of zone bit recording). The drive's built-in disk operating system is CBM DOS 2.6.