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Computing (FOLDOC) dictionary
Commodore 1541
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storage The best know floppy disk drive for the Commodore64. 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.