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86 87<!-- HTML HEAD Commons [END] --> 88 89</head> 90<body> 91 92 93<header class="doc_header"> 94 <h1 class="doc_header_text"><a href="/" title="">Personal Computer Museum</a></h1> 95 <p class="doc_header_tagline"><a href="/" title="">PersonalComputerMuseum.com</a></p> 96</header> 97 98 99<nav class="page_menu"> 100 <ul> 101 <li><a href="/" title="Home page">Home</a></li> 102 <li><a href="/computers/" title="Personal Computers">Computers</a></li> 103 <li><a href="/storage_medias/" title="Computer storage medias">Storages</a></li> 104 <li><a href="/peripherals/" title="Computer peripherals">Peripherals</a></li> 105 <li><a href="/microprocessors/" title="Computing microprocessors">CPUs</a></li> 106 <li><a href="/operating_systems/" title="Computer operating systems">OSs</a></li> 107 <li><a href="/software/" title="Computer software">Apps</a></li> 108 <li><a href="/celebrities/" title="Computing celebrities">Celebs</a></li> 109 <li><a href="/magazines/" title="Computing magazines">Mags</a></li> 110 <li><a href="/programming_languages/" title="Langs">Langs</a></li> 111 <li><a href="/newsletter.html" title="Newsletter">Newsletter</a></li> 112 </ul> 113</nav> 114 115<main class="page_main"> 116 117 <article -style="padding: 16px;"> 118 119 <header> 120 <h1>Personal computer removible storage medias</h1> 121 </header> 122 123 <p>Throughout the history of computing we see an evolution of removable storage systems, which allowed to transport data and distribute programs, until the advent of cloud storage, when Internet connection speeds allowed it.<br /> 124 These removable media were adopted from third party companies, so they could be used by several computer manufacturers.<br /> 125 But proprietary cartridges were also frequently used by manufacturers, in models such as the Commodore VIC-20 and Commodore 64, the standard MSX, the Atari 8-bit (400/800/XL/XE), the Texas Instruments TI-99/4A, and the IBM PCjr.</br > 126 These cartridges contained memory chips that had a fast access speed, but a low capacity, due to their high cost.</p> 127 128 </article> 129 130 <div class="cards_container"> 131<div class="card" id="punched_card"> <a href="/storage_medias/punched_card.html"> 132 <img src="/thumbnails/tarjeta_perforada.jpg" alt="" class="card_image" width="384" height="216" /> 133 </a> 134 <span class="card_title"><a href="/storage_medias/punched_card.html" rel="tag" title="Punched card">Punched card</a></span> <br /> 135 <div style="padding: 8px;"> 136 Developed by: (Herman Hollerith) <br /> 137 Launched: 1905<br /> 138 Capacity: <br /> 139 140 141 <p> 142 It is a cardboard card that contains information in the form of perforations according to a binary code. </p> 143 144 <p style="text-align:center;"><a href="punched_card.html" class="more">More â</a></p> <!--a href="/removable/punched_card.html">More â</a--> 145 </div> 146 </div> 147<div class="card" id="punched_tape"> <a href="/storage_medias/punched_tape.html"> 148 <img src="/thumbnails/cinta_troquelada.jpg" alt="" class="card_image" width="384" height="216" /> 149 </a> 150 <span class="card_title"><a href="/storage_medias/punched_tape.html" rel="tag" title="Punched tape">Punched tape</a></span> <br /> 151 <div style="padding: 8px;"> 152 Developed by: <br /> 153 Launched: 1939<br /> 154 Capacity: Depending on the length of the tape.<br /> 155 Bit rate: 2500 ASCII characters per second (5000 on optical readers)<br /> 156 157 158 <p> 159 Punched tape is a data storage method, consisting of a long strip of paper in which holes are made to store data. </p> 160 161 <p style="text-align:center;"><a href="punched_tape.html" class="more">More â</a></p> <!--a href="/removable/punched_tape.html">More â</a--> 162 </div> 163 </div> 164<div class="card" id="magnetic_tape_reel"> <a href="/storage_medias/magnetic_tape_reel.html"> 165 <img src="/thumbnails/magnetic_tape_reel.jpg" alt="" class="card_image" width="384" height="216" /> 166 </a> 167 <span class="card_title"><a href="/storage_medias/magnetic_tape_reel.html" rel="tag" title="Magnetic tape reel">Magnetic tape reel</a></span> <br /> 168 <div style="padding: 8px;"> 169 Developed by: UNIVAC, IBM, Digitral... <br /> 170 Launched: 1950<br /> 171 Capacity: <br /> 172 173 174 <p>
175 Large computers of the late 1980s used magnetic tapes wound onto large (10.5-inch) reels for storage. </p> 176 177 <p style="text-align:center;"><a href="magnetic_tape_reel.html" class="more">More â</a></p> <!--a href="/removable/magnetic_tape_reel.html">More â</a--> 178 </div> 179 </div> 180<div class="card" id="cassette"> <a href="/storage_medias/cassette.html"> 181 <img src="/thumbnails/cassettes.jpg" alt="" class="card_image" width="384" height="216" /> 182 </a> 183 <span class="card_title"><a href="/storage_medias/cassette.html" rel="tag" title="Cassette">Cassette</a></span> <br /> 184 <div style="padding: 8px;"> 185 Developed by: Philips (Lou Ottens) <br /> 186 Launched: 1964<br /> 187 Capacity: Depending on the length of the tape (double-sided)<br /> 188 189 190 <p> 191 The cassette was developed by the Philips Netherlands team led by Lou Ottens as a medium for recording and reproducing voice. It quickly became widely used as a medium for distributing music.<br /> 192The format's widespread popularity and its low production cost led to its adoption for data recording on 8-bit personal computers in the 1980s. </p> 193 194 <!--a href="/removable/cassette.html">More â</a--> 195 </div> 196 </div> 197<div class="card" id="diskette_8"> <a href="/storage_medias/diskette_8.html"> 198 <img src="/thumbnails/disquete-8.jpg" alt="" class="card_image" width="384" height="216" /> 199 </a> 200 <span class="card_title"><a href="/storage_medias/diskette_8.html" rel="tag" title="Diskette 8"">Diskette 8"</a></span> <br /> 201 <div style="padding: 8px;"> 202 Developed by: IBM (Alan Shugart) <br /> 203 Launched: 1971<br /> 204 Capacity: 80 KiB<br /> 205 206 207 <p> 208 In 1971, Alan Shugart developed a flexible disk coated with iron oxide at IBM to facilitate the constant updates of its computers, thus creating the concept of the "floppy disk." </p> 209 210 <p style="text-align:center;"><a href="diskette_8.html" class="more">More â</a></p> <!--a href="/removable/diskette_8.html">More â</a--> 211 </div> 212 </div> 213<div class="card" id="diskette_5_25"> <a href="/storage_medias/diskette_5_25.html"> 214 <img src="/thumbnails/disquete-5_25_110k.jpg" alt="" class="card_image" width="384" height="216" /> 215 </a> 216 <span class="card_title"><a href="/storage_medias/diskette_5_25.html" rel="tag" title="Diskette 5¼"">Diskette 5¼"</a></span> <br /> 217 <div style="padding: 8px;"> 218 Developed by: Shugart Associates (Alan Shugart) <br /> 219 Launched: 1976<br /> 220 Capacity: 110 KiB<br /> 221 222 223 <p> 224 Alan Shugart developed this diskette to reduce the size of the large 8" floppy disks.<br /> 225They proved to be cheaper and were quickly incorporated into computers with CP/M.<br /> 226This first version had 35 tracks. </p> 227 228 <!--a href="/removable/diskette_5_25.html">More â</a--> 229 </div> 230 </div> 231<div class="card" id="diskette_5_25_dd"> <a href="/storage_medias/diskette_5_25_dd.html"> 232 <img src="/thumbnails/disquete-5_25.jpg" alt="" class="card_image" width="384" height="216" /> 233 </a> 234 <span class="card_title"><a href="/storage_medias/diskette_5_25_dd.html" rel="tag" title="Diskette 5¼" DD">Diskette 5¼" DD</a></span> <br /> 235 <div style="padding: 8px;"> 236 Developed by: Tandon <br /> 237 Launched: 1978<br /> 238 Capacity: 360 KiB<br /> 239 240 241 <p> 242 This development led to an increase in capacity and commercial standardization. </p> 243 244 <!--a href="/removable/diskette_5_25_dd.html">More â</a--> 245 </div> 246 </div> 247<div class="card" id="diskette_3_5"> <a href="/storage_medias/diskette_3_5.html"> 248 <img src="/thumbnails/disquete-3_5_first.jpg" alt="" class="card_image" width="384" height="216" /> 249 </a> 250 <span class="card_title"><a href="/storage_medias/diskette_3_5.html" rel="tag" title="Diskette 3½"">Diskette 3½"</a></span> <br /> 251 <div style="padding: 8px;"> 252 Developed by: Sony <br /> 253 Launched: 1981<br /> 254 Capacity: 360 KiB<br /> 255 256 257 <p> 258 This smaller and more robust floppy disk than the 5¼" one would end up becoming more portable from 1982 onwards, when it was incorporated into the Sony SMC 70 computer, and a year later, the HP-150 and Sony's MSX computers. </p> 259 260 <!--a href="/removable/diskette_3_5.html">More â</a--> 261 </div> 262 </div> 263<div class="card" id="diskette_3"> <a href="/storage_medias/diskette_3.html">
264 <img src="/thumbnails/disquete-3_pulgadas.jpg" alt="" class="card_image" width="384" height="216" /> 265 </a> 266 <span class="card_title"><a href="/storage_medias/diskette_3.html" rel="tag" title="Diskette 3"">Diskette 3"</a></span> <br /> 267 <div style="padding: 8px;"> 268 Developed by: Hitachi <br /> 269 Launched: 1982<br /> 270 Capacity: 360 KiB (doble side)<br /> 271 272 273 <p> 274 This format was one of many that appeared in the 1980s from different manufacturers and never caught on.<br /> 275However, Amstrad adopted it for its personal computers, rumored to be able to get its readers at a bargain price. </p> 276 277 <p style="text-align:center;"><a href="diskette_3.html" class="more">More â</a></p> <!--a href="/removable/diskette_3.html">More â</a--> 278 </div> 279 </div> 280<div class="card" id="cartridge_dragon"> <a href="/storage_medias/cartridge_dragon.html"> 281 <img src="/thumbnails/cartucho_dragon.jpg" alt="" class="card_image" width="384" height="216" /> 282 </a> 283 <span class="card_title"><a href="/storage_medias/cartridge_dragon.html" rel="tag" title="Dragon cartridge">Dragon cartridge</a></span> <br /> 284 <div style="padding: 8px;"> 285 Developed by: <br /> 286 Launched: 1982<br /> 287 Capacity: <br /> 288 289 290 <p> 291 Dragon computers had a proprietary cartridge system, on which games were distributed for their 32 and 64 models. </p> 292 293 <!--a href="/removable/cartridge_dragon.html">More â</a--> 294 </div> 295 </div> 296<div class="card" id="zx_microdrive"> <a href="/storage_medias/zx_microdrive.html"> 297 <img src="/thumbnails/zx_microdrive.jpg" alt="" class="card_image" width="384" height="216" /> 298 </a> 299 <span class="card_title"><a href="/storage_medias/zx_microdrive.html" rel="tag" title="ZX Microdrive">ZX Microdrive</a></span> <br /> 300 <div style="padding: 8px;"> 301 Developed by: Sinclair <br /> 302 Launched: 1983<br /> 303 Capacity: 85 KiB<br /> 304 Bit rate: 15 KiB/s<br /> 305 306 307 <p> 308 The ZX Microdrive is a tape cartridge reader/writer intended to provide low-cost mass storage for Sinclair machines.<br /> 309However, it proved unreliable, as the constant friction of the tape against the drive head caused it to wear out and eventually break. </p> 310 311 <p style="text-align:center;"><a href="zx_microdrive.html" class="more">More â</a></p> <!--a href="/removable/zx_microdrive.html">More â</a--> 312 </div> 313 </div> 314<div class="card" id="cartridge_msx"> <a href="/storage_medias/cartridge_msx.html"> 315 <img src="/thumbnails/cartucho_msx.jpg" alt="" class="card_image" width="384" height="216" /> 316 </a> 317 <span class="card_title"><a href="/storage_medias/cartridge_msx.html" rel="tag" title="MSX cartridge">MSX cartridge</a></span> <br /> 318 <div style="padding: 8px;"> 319 Developed by: <br /> 320 Launched: 1983<br /> 321 Capacity: <br /> 322 323 324 <p> 325 The MSX standard cartridges were a more expensive system than the cassette tapes used by the 8-bit computers of the time, but they were more reliable and faster. </p> 326 327 <p style="text-align:center;"><a href="cartridge_msx.html" class="more">More â</a></p> <!--a href="/removable/cartridge_msx.html">More â</a--> 328 </div> 329 </div> 330<div class="card" id="softcard"> <a href="/storage_medias/softcard.html"> 331 <img src="/thumbnails/softcard.png" alt="" class="card_image" width="384" height="216" /> 332 </a> 333 <span class="card_title"><a href="/storage_medias/softcard.html" rel="tag" title="SoftCard">SoftCard</a></span> <br /> 334 <div style="padding: 8px;"> 335 Developed by: <br /> 336 Launched: 1984<br /> 337 Capacity: <br /> 338 339 340 <p> 341 It's a credit card-like device that incorporates a ROM chip. Serma, a company that began producing programs on this device, released titles such as 1X2, QH, Le Mans 2, and so on.<br /> 342<br /> 343To connect it to a computer, an adapter was required, which was inserted into the computer's cartridge slot. </p> 344 345 <p style="text-align:center;"><a href="softcard.html" class="more">More â</a></p> <!--a href="/removable/softcard.html">More â</a--> 346 </div> 347 </div> 348<div class="card" id="diskette_5_25_2hd"> <a href="/storage_medias/diskette_5_25_2hd.html">
349 <img src="/thumbnails/disquete-5_25_HD.jpg" alt="" class="card_image" width="384" height="216" /> 350 </a> 351 <span class="card_title"><a href="/storage_medias/diskette_5_25_2hd.html" rel="tag" title="Diskette 5¼" 2HD">Diskette 5¼" 2HD</a></span> <br /> 352 <div style="padding: 8px;"> 353 Developed by: <br /> 354 Launched: 1984<br /> 355 Capacity: 1200 KiB<br /> 356 357 358 <p> 359 In 1984, IBM introduced the High Density 5.5" floppy disk format in its IBM AT, tripling its original capacity of 360 KB.<br /> 360This was the last version of the 5.5" floppy disk, which would be surpassed in 1988 by 3.5-inch floppy disks. </p> 361 362 <!--a href="/removable/diskette_5_25_2hd.html">More â</a--> 363 </div> 364 </div> 365<div class="card" id="diskette_3_5_dd"> <a href="/storage_medias/diskette_3_5_dd.html"> 366 <img src="/thumbnails/disquete-3_dd.jpg" alt="" class="card_image" width="384" height="216" /> 367 </a> 368 <span class="card_title"><a href="/storage_medias/diskette_3_5_dd.html" rel="tag" title="Diskette 3½" DD ">Diskette 3½" DD </a></span> <br /> 369 <div style="padding: 8px;"> 370 Developed by: Sony <br /> 371 Launched: 1984<br /> 372 Capacity: 720 KiB <br /> 373 374 375 <p> 376 In 1984, Apple incorporated this format for its new Macintosh computers.<br /> 377In 1985, Atari adopted it for its new ST line, and Commodore for its new Amiga. </p> 378 379 <!--a href="/removable/diskette_3_5_dd.html">More â</a--> 380 </div> 381 </div> 382<div class="card" id="cd"> <a href="/storage_medias/cd.html"> 383 <img src="/thumbnails/cd.jpg" alt="" class="card_image" width="384" height="216" /> 384 </a> 385 <span class="card_title"><a href="/storage_medias/cd.html" rel="tag" title="CD">CD</a></span> <br /> 386 <div style="padding: 8px;"> 387 Developed by: Sony & Philips <br /> 388 Launched: 1985<br /> 389 Capacity: 870 MiB<br /> 390 Bit rate: 150 KiB/s<br /> 391 392 393 <p> 394 The CD as a music format was launched in 1982 in Japan and worldwide in 1984.<br /> 395The CD-ROM data format was established in 1985 by Sony and Philips and first introduced to the public at COMDEX that same year.<br /> 396From the mid-1990s until its displacer by DVD-ROM, CD-ROM was widely used for software distribution for computers and video game consoles. </p> 397 398 <!--a href="/removable/cd.html">More â</a--> 399 </div> 400 </div> 401<div class="card" id="bee_card"> <a href="/storage_medias/bee_card.html"> 402 <img src="/thumbnails/bee_card.jpg" alt="" class="card_image" width="384" height="216" /> 403 </a> 404 <span class="card_title"><a href="/storage_medias/bee_card.html" rel="tag" title="Bee Card">Bee Card</a></span> <br /> 405 <div style="padding: 8px;"> 406 Developed by: Hudson Soft <br /> 407 Launched: 1985<br /> 408 Capacity: <br /> 409 410 411 <p> 412 A memory card the size of a credit card, although slightly thicker, created by the Japanese developer and distributor Hudson Soft for the distribution of software for MSX computers.<br /> 413<br /> 414To connect the card to the computer, an adapter was required, which was inserted into the cartridge slot. </p> 415 416 <p style="text-align:center;"><a href="bee_card.html" class="more">More â</a></p> <!--a href="/removable/bee_card.html">More â</a--> 417 </div> 418 </div> 419<div class="card" id="diskette_quick_disk-datadisk"> <a href="/storage_medias/diskette_quick_disk-datadisk.html"> 420 <img src="/thumbnails/diskette-quick-disk-datadisk.jpg" alt="" class="card_image" width="384" height="216" /> 421 </a> 422 <span class="card_title"><a href="/storage_medias/diskette_quick_disk-datadisk.html" rel="tag" title="Mitsumi Quick Disk">Mitsumi Quick Disk</a></span> <br /> 423 <div style="padding: 8px;"> 424 Developed by: Mitsumi <br /> 425 Launched: 1985<br /> 426 Capacity: 100 Kib ~ 256 Kib<br /> 427 428 429 <p> 430 The Quick Disk (QD) was a 3-inch floppy disk design released by Mitsumi around 1985 (although a prototype was shown in 1984).<br /> 431<br /> 432It was encased in plastic, but had a much simpler design than other floppy disks of the time, as it lacked a shutter mechanism to protect the disk surface from dust and used removable tabs (rather than a sliding tab) for write protection on each side.<br /> 433<br /> 434Furthermore, instead of offering random access, data was recorded in a continuous spiral on the disk (like vinyl) that took about 8 seconds to read (on the 100 KB Triton QD drive), making it very slow (this sequential access made it similar to a ta
434pe and prevented the fast access benefits of a floppy disk).<br /> 435<br /> 436The drives were single-sided, and the disks had to be manually removed and rotated to use the other side. </p> 437 438 <p style="text-align:center;"><a href="diskette_quick_disk-datadisk.html" class="more">More â</a></p> <!--a href="/removable/diskette_quick_disk-datadisk.html">More â</a--> 439 </div> 440 </div> 441<div class="card" id="diskette_3_5_hd"> <a href="/storage_medias/diskette_3_5_hd.html"> 442 <img src="/thumbnails/disquetes-3_5.jpg" alt="" class="card_image" width="384" height="216" /> 443 </a> 444 <span class="card_title"><a href="/storage_medias/diskette_3_5_hd.html" rel="tag" title="Diskette 3½" HD">Diskette 3½" HD</a></span> <br /> 445 <div style="padding: 8px;"> 446 Developed by: Sony <br /> 447 Launched: 1987<br /> 448 Capacity: 1.44 MiB<br /> 449 450 451 <p> 452 They were introduced in IBM PS/2 computers in 1987, and a year later, Apple introduced them in its Macintosh IIx computers.<br /> 453The High Density format is recognized by a square hole in one of its corners. </p> 454 455 <p style="text-align:center;"><a href="diskette_3_5_hd.html" class="more">More â</a></p> <!--a href="/removable/diskette_3_5_hd.html">More â</a--> 456 </div> 457 </div> 458<div class="card" id="atari_portfolio_memory_card"> <a href="/storage_medias/atari_portfolio_memory_card.html"> 459 <img src="/thumbnails/atari_portfolio_memory_card.jpg" alt="" class="card_image" width="384" height="216" /> 460 </a> 461 <span class="card_title"><a href="/storage_medias/atari_portfolio_memory_card.html" rel="tag" title="Atari Portfolio Memory Card">Atari Portfolio Memory Card</a></span> <br /> 462 <div style="padding: 8px;"> 463 Developed by: Atari <br /> 464 Launched: 1989<br /> 465 Capacity: 32, 64 & 128 KiB<br /> 466 467 468 <p> 469 Atari's proprietary memory card sold in capacities of 32 KB, 64 KB, and 128 KB ($199.95). Other manufacturers also produced cards with capacities up to 4 KB.<br /> 470<br /> 471It uses a CR2016 button cell to store data. </p> 472 473 <!--a href="/removable/atari_portfolio_memory_card.html">More â</a--> 474 </div> 475 </div> 476<div class="card" id="zip"> <a href="/storage_medias/zip.html"> 477 <img src="/thumbnails/iomega_zip.jpg" alt="" class="card_image" width="384" height="216" /> 478 </a> 479 <span class="card_title"><a href="/storage_medias/zip.html" rel="tag" title="Zip">Zip</a></span> <br /> 480 <div style="padding: 8px;"> 481 Developed by: Iomega <br /> 482 Launched: 1994<br /> 483 Capacity: 100, 250 & 750 MiB<br /> 484 485 486 <p> 487 Iomeza Zip drives were the storage drives that were contenders to replace 3.5-inch floppy disks due to their higher capacity, and were eventually integrated as standard in several Apple Macintosh laptop and computer configurations.<br /> 488The first version had a capacity of 100 MB, and later versions expanded this to 250 MB, and in its final phase, reached 750 MB.<br /> 489The falling prices of higher-capacity CD burners and CD-R and CD-RW consumables eventually forced them out of the market. </p> 490 491 <!--a href="/removable/zip.html">More â</a--> 492 </div> 493 </div> 494<div class="card" id="dvd"> <a href="/storage_medias/dvd.html"> 495 <img src="/thumbnails/dvd.jpg" alt="" class="card_image" width="384" height="216" /> 496 </a> 497 <span class="card_title"><a href="/storage_medias/dvd.html" rel="tag" title="DVD">DVD</a></span> <br /> 498 <div style="padding: 8px;"> 499 Developed by: Philips, Pioneer, Sony, Hitachi, Matsushita, Mitsubishi, Time Warner, Toshiba, Victorpool y Thomson <br /> 500 Launched: 1995<br /> 501 Capacity: 4 GiB<br /> 502 503 504 <p> 505 The DVD-ROM was the natural substitute for CD-ROM, significantly increasing its capacity on a disc with the same physical characteristics. </p> 506 507 <!--a href="/removable/dvd.html">More â</a--> 508 </div> 509 </div> 510</div> 511 512 513</main> 514 515 516 517 518 519 <div class="share_links"> 520 <ul class="share_list"> 521 <li class="share_fb"><a title="Share on Facebook" href="https://www.facebook.com/sharer/sharer.php?u=https://personalcomputermuseum.com/storage_medias/&t=Personal computer remov
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