COMMODORE 1541
\kˈɒmədˌɔː wˈɒn θˈa͡ʊzənd fˈa͡ɪvhˈʌndɹədən fˈɔːtiwˈɒn], \kˈɒmədˌɔː wˈɒn θˈaʊzənd fˈaɪvhˈʌndɹədən fˈɔːtiwˈɒn], \k_ˈɒ_m_ə_d_ˌɔː w_ˈɒ_n θ_ˈaʊ_z_ə_n_d f_ˈaɪ_v_h_ˈʌ_n_d_ɹ_ə_d_ə_n f_ˈɔː_t_i_w_ˈɒ_n]\
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The best known floppy disk drive for theCommodore 64. The 1541 was a single-sided 160 Kb drive butconverting to flippy disks would give another 160 Kb.The disk drive used Group Code Recording and contained a6502 processor as a disk controller. Some people wrotecode for it to vibrate the head at different frequencies toplay tunes.The transfer rate was about 300 bytes per second. The 1541used a bit-serial version of the IEEE 488 parallelprotocol. Some third-party speed-ups could transfer about 4kilobytes per second over the interface, and some "fastloaders" managed up to 10 kbps.The Commodore 1570 was an upgraded 1541 for use with theCommodore 128.
By Denis Howe
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Mustagh Range
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