meaning of 4 5

1. Commodore 1541 The best know floppy disk drive for the Commodore 64. The 1541 was a single sided 160 Kb drive but converting 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.

Related Words

commodore 1541 | eia-485 | ieee 754 | kc85/4 | rfc 1445 | rfc 1450 | rfc 1451 | rfc 1452 | rfc 1475 | rfc 2045 | rfc 2543 | rfc 854 | rj-45 |

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