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id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Storage medium from Imation</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For another use, see <a href="/wiki/MSD_Super_Disk" title="MSD Super Disk">MSD Super Disk</a>. For the Super NES CD-ROM, see <a href="/wiki/Super_Disc" class="mw-redirect" title="Super Disc">Super Disc</a>. "LS120" redirects here; for another use, see <a href="/wiki/Dot_matrix_printer#DEC's_dot_matrix_printers" class="mw-redirect" title="Dot matrix printer">Dot matrix printer#DEC's dot matrix printers</a>. Not to be confused with Apple's <a href="/wiki/SuperDrive" title="SuperDrive">SuperDrive</a>.</div> <p class="mw-empty-elt"> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Imation_SD-USB-M3_SuperDisk_Drive.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Imation_SD-USB-M3_SuperDisk_Drive.jpg/220px-Imation_SD-USB-M3_SuperDisk_Drive.jpg" decoding="async" width="220" height="135" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Imation_SD-USB-M3_SuperDisk_Drive.jpg/330px-Imation_SD-USB-M3_SuperDisk_Drive.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Imation_SD-USB-M3_SuperDisk_Drive.jpg/440px-Imation_SD-USB-M3_SuperDisk_Drive.jpg 2x" data-file-width="5771" data-file-height="3529" /></a><figcaption>Imation SuperDisk drive</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Super_Disk_120MB_9116.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Super_Disk_120MB_9116.jpg/220px-Super_Disk_120MB_9116.jpg" decoding="async" width="220" height="227" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Super_Disk_120MB_9116.jpg/330px-Super_Disk_120MB_9116.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Super_Disk_120MB_9116.jpg/440px-Super_Disk_120MB_9116.jpg 2x" data-file-width="2779" data-file-height="2873" /></a><figcaption>An LS-120 disk</figcaption></figure> <p>The <b>SuperDisk LS-120</b> is a high-speed, high-capacity alternative to the 90 mm (3.5 in), 1.44 <a href="/wiki/Megabyte" title="Megabyte">MB</a> <a href="/wiki/Floppy_disk" title="Floppy disk">floppy disk</a>. The SuperDisk hardware was created by <a href="/wiki/3M" title="3M">3M</a>'s storage products group <a href="/wiki/Imation" class="mw-redirect" title="Imation">Imation</a> in 1996,<sup id="cite_ref-NYT_1996_1-0" class="reference"><a href="#cite_note-NYT_1996-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> with manufacturing chiefly by <a href="/wiki/Panasonic" title="Panasonic">Matsushita</a>. </p><p>The SuperDisk had little success in North America; with <a href="/wiki/Compaq" title="Compaq">Compaq</a>, <a href="/wiki/Gateway,_Inc." title="Gateway, Inc.">Gateway</a> and <a href="/wiki/Dell" title="Dell">Dell</a> being three of only a few <a href="/wiki/Original_equipment_manufacturer" title="Original equipment manufacturer">OEMs</a> who supported it. It was more successful in Asia and Australia, where the majority of second-generation <b>SuperDisk LS-240</b> drives and disks were released. There was one model of LS-240 drive released in North America, by QPS. SuperDisk worldwide ceased manufacturing in 2003. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=SuperDisk&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The design of the SuperDisk system came from an early 1990s project at <a href="/wiki/Iomega" title="Iomega">Iomega</a>. It is one of the last examples of <a href="/wiki/Floptical" title="Floptical">floptical</a> technology, where <a href="/wiki/Laser" title="Laser">lasers</a> are used to guide a magnetic head which is much smaller than those used in traditional floppy disk drives. Iomega orphaned the project around the time they decided to release the <a href="/wiki/Zip_drive" title="Zip drive">Zip drive</a> in 1994. The idea eventually ended up at 3M, where the concept was refined and the design was licensed to established floppy drive makers <a href="/wiki/Panasonic" title="Panasonic">Matsushita</a> and <a href="/wiki/Mitsubishi_Electric" title="Mitsubishi Electric">Mitsubishi</a>. Other companies involved in the development of SuperDisk include Compaq and OR Technology.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2024)">citation needed</span></a></i>]</sup> </p><p>Matsushita continued development of the technology and released the LS-240. It has double the capacity of the LS-120 and the added feature of being able to <a href="/wiki/Superformatting" title="Superformatting">format regular floppy disks to 32 MB capacity</a>.<sup id="cite_ref-Sherriff_2000_2-0" class="reference"><a href="#cite_note-Sherriff_2000-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> However, this higher density comes at a price – the entire disk must be rewritten any time a change is made, much like early <a href="/wiki/CD-RW" title="CD-RW">CD-RW</a> media. </p><p>A SuperDisk drive was used in two Panasonic <a href="/wiki/Digital_camera" title="Digital camera">digital cameras</a>, the PV-SD4090<sup id="cite_ref-Panasonic_SD4090_3-0" class="reference"><a href="#cite_note-Panasonic_SD4090-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> and PV-SD5000,<sup id="cite_ref-Panasonic_SD5000_4-0" class="reference"><a href="#cite_note-Panasonic_SD5000-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> which allowed them to use both SuperDisk (LS-120) and 3.5″ floppy disks as the <a href="/wiki/Digital_camera_memory_media" class="mw-redirect" title="Digital camera memory media">memory media</a>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2024)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading2"><h2 id="Technical_information">Technical information<span class="anchor" id="SD120MB"></span><span class="anchor" id="SD240MB"></span><span class="anchor" id="FD32MB"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=SuperDisk&action=edit&section=2" title="Edit section: Technical information"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:SuperDisk_Mac_-_USB_to_IDE_adapter.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/SuperDisk_Mac_-_USB_to_IDE_adapter.jpg/220px-SuperDisk_Mac_-_USB_to_IDE_adapter.jpg" decoding="async" width="220" height="113" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/SuperDisk_Mac_-_USB_to_IDE_adapter.jpg/330px-SuperDisk_Mac_-_USB_to_IDE_adapter.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ec/SuperDisk_Mac_-_USB_to_IDE_adapter.jpg/440px-SuperDisk_Mac_-_USB_to_IDE_adapter.jpg 2x" data-file-width="3152" data-file-height="1624" /></a><figcaption>Circuit components of the external <a href="/wiki/USB" title="USB">USB</a> SuperDisk for Macintosh. The drive itself is the same size as a standard 3.5″ floppy drive, but uses an <a href="/wiki/Advanced_technology_attachment" class="mw-redirect" title="Advanced technology attachment">ATA</a> interface. On the right is the USB-to-ATA adapter, which plugs into an intermediate fan-out and <a href="/wiki/Power_supply" title="Power supply">power supply</a> <a href="/wiki/Daughterboard" class="mw-redirect" title="Daughterboard">daughterboard</a> that is inside the rear of the Mac drive's casing. This particular drive cannot function using USB power alone.</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:SuperDisk_voice_coil_and_eject.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1a/SuperDisk_voice_coil_and_eject.svg/220px-SuperDisk_voice_coil_and_eject.svg.png" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1a/SuperDisk_voice_coil_and_eject.svg/330px-SuperDisk_voice_coil_and_eject.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1a/SuperDisk_voice_coil_and_eject.svg/440px-SuperDisk_voice_coil_and_eject.svg.png 2x" data-file-width="3648" data-file-height="2736" /></a><figcaption>This shows the technology of the SuperDisk drive. Two voice coil servomotors move the drive heads precisely across the disk surface.<br /><b>BLUE</b> - The main servo with a large coil provides the primary force to move the head mechanism.<br /><b>YELLOW</b> - A secondary smaller coil primarily acts to keep the head mechanism aligned parallel with the disk surface. <br /><b>RED</b> - The drive eject motor allows the disk to be under computer control so that it normally will not eject until the computer has completed its read or writing tasks.</figcaption></figure> <p>The SuperDisk's format was designed to supersede the floppy disk with its higher-capacity media that imitated the ubiquitous format with its own 120 MB (and later 240 MB) disk storage while the SuperDisk drive itself was backwards compatible with 1.44 MB and 720 KB floppy formats (<a href="/wiki/Modified_Frequency_Modulation" class="mw-redirect" title="Modified Frequency Modulation">MFM</a>). Superdisk drives read and write faster to these sorts of disks than conventional 1.44 MB or 720 KB floppy drives.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2024)">citation needed</span></a></i>]</sup> </p><p>The newer LS-240 drives also have the ability to read and write regular 1.44 MB floppies at much higher densities in a format called "FD32MB". Described in the <a href="/wiki/WinHelp" title="WinHelp">help file</a> for the SuperWriter32 application included with the driver package, the increase of capacity for FD32MB is achieved through the use of <a href="/wiki/Shingled_magnetic_recording" title="Shingled magnetic recording">shingled magnetic recording</a> (SMR) to reduce track pitch to 18.8μm from the standard 187.5μm allowing 777 tracks per side. This is combined with linear recording density improvements enabling 36-53 sectors per track through <a href="/wiki/Partial-response_maximum-likelihood" title="Partial-response maximum-likelihood">partial-response maximum-likelihood</a> and <a href="/wiki/Zone_bit_recording" title="Zone bit recording">zone bit recording</a>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2024)">citation needed</span></a></i>]</sup> </p><p>The true capacity of these "SD120MB" drives<sup id="cite_ref-LKML_2000_5-0" class="reference"><a href="#cite_note-LKML_2000-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> is 120.375 <a href="/wiki/Mebibyte" class="mw-redirect" title="Mebibyte">MiB</a> aka 126.22 MB (<a href="/wiki/FAT16B" class="mw-redirect" title="FAT16B">FAT16B</a> with logical geometry 963/8/32 <a href="/wiki/Cylinder-Head-Sector" class="mw-redirect" title="Cylinder-Head-Sector">CHS</a> × 512 bytes). The "SD240MB" drives have a capacity of 229.25 MiB aka 240.39 MB (<a href="/wiki/FAT16B" class="mw-redirect" title="FAT16B">FAT16B</a> with logical geometry 262/32/56 CHS × 512 bytes). 1.44 MB HD floppies formatted to 32 MB as "FD32MB" (<a href="/wiki/FAT16B" class="mw-redirect" title="FAT16B">FAT16B</a> with logical geometry 1024/2/32 CHS × 512 bytes) in the LS-240 show a dummy <a href="/wiki/FAT12" class="mw-redirect" title="FAT12">FAT12</a> file system (with logical geometries 160/2/9 or 80/2/18) when inserted into a normal floppy drive.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2024)">citation needed</span></a></i>]</sup> </p><p>SuperDisk drives have been sold in <a href="/wiki/Parallel_port" title="Parallel port">parallel port</a>, <a href="/wiki/USB" title="USB">USB</a>, <a href="/wiki/Advanced_Technology_Attachment" class="mw-redirect" title="Advanced Technology Attachment">ATAPI</a> and <a href="/wiki/Parallel_SCSI" title="Parallel SCSI">SCSI</a> variants. All drives can read and write 1.44 MB and 720 <a href="/wiki/Kibibyte" class="mw-redirect" title="Kibibyte">KiB</a> <a href="/wiki/Modified_Frequency_Modulation" class="mw-redirect" title="Modified Frequency Modulation">MFM</a> floppies, as used on PCs, <a href="/wiki/Apple_Macintosh" class="mw-redirect" title="Apple Macintosh">Apple Macintoshes</a> (High Density format only, see below), and many <a href="/wiki/Workstation" title="Workstation">workstations</a>. 2.88 MB floppy formats are not supported.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2024)">citation needed</span></a></i>]</sup> </p><p>Imation also released a version of the SuperDisk with "Secured Encryption Technology", which uses <a href="/wiki/Blowfish_(cipher)" title="Blowfish (cipher)">Blowfish</a> with a 64-bit key to encrypt the contents.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2024)">citation needed</span></a></i>]</sup> </p><p>Under <a href="/wiki/Windows_XP" title="Windows XP">Windows XP</a>'s <code>sfloppy.sys</code> <a href="/wiki/Device_driver" title="Device driver">driver</a>, a USB SuperDisk drive will appear as a 3.5″ floppy disk drive, receiving either the drive letter A: (if there is no floppy in the machine) or B: (if there already is one). This enables use by software that expects a floppy drive when 1.44 MB or 720 KB disks are inserted. 120 MB and 240 MB disks are also accessed via A: or B:.<sup id="cite_ref-Gough_2013_6-0" class="reference"><a href="#cite_note-Gough_2013-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <ul class="gallery mw-gallery-traditional"> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Imation_Super_Disk_LS-120.jpg" class="mw-file-description" title="Imation SuperDisk LS-120 diskettes"><img alt="Imation SuperDisk LS-120 diskettes" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Imation_Super_Disk_LS-120.jpg/120px-Imation_Super_Disk_LS-120.jpg" decoding="async" width="120" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Imation_Super_Disk_LS-120.jpg/180px-Imation_Super_Disk_LS-120.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/60/Imation_Super_Disk_LS-120.jpg/240px-Imation_Super_Disk_LS-120.jpg 2x" data-file-width="1936" data-file-height="1936" /></a></span></div> <div class="gallerytext">Imation SuperDisk LS-120 diskettes</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Matsushita_LKM-F934-1_SuperDisk.jpg" class="mw-file-description" title="Internal 3.5″ SuperDisk drive"><img alt="Internal 3.5″ SuperDisk drive" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Matsushita_LKM-F934-1_SuperDisk.jpg/120px-Matsushita_LKM-F934-1_SuperDisk.jpg" decoding="async" width="120" height="73" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Matsushita_LKM-F934-1_SuperDisk.jpg/180px-Matsushita_LKM-F934-1_SuperDisk.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Matsushita_LKM-F934-1_SuperDisk.jpg/240px-Matsushita_LKM-F934-1_SuperDisk.jpg 2x" data-file-width="4890" data-file-height="2990" /></a></span></div> <div class="gallerytext">Internal <a href="/wiki/Drive_bay#3.5-inch" title="Drive bay">3.5″</a> SuperDisk drive</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:PIC_0856_SuperDisk.JPG" class="mw-file-description" title="External parallel port SuperDisk drive"><img alt="External parallel port SuperDisk drive" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/66/PIC_0856_SuperDisk.JPG/120px-PIC_0856_SuperDisk.JPG" decoding="async" width="120" height="90" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/66/PIC_0856_SuperDisk.JPG/180px-PIC_0856_SuperDisk.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/66/PIC_0856_SuperDisk.JPG/240px-PIC_0856_SuperDisk.JPG 2x" data-file-width="2560" data-file-height="1920" /></a></span></div> <div class="gallerytext">External <a href="/wiki/Parallel_port" title="Parallel port">parallel port</a> SuperDisk drive</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Super_Disk_120MB_9111.jpg" class="mw-file-description" title="SuperDisk 120MB diskettes in packaging"><img alt="SuperDisk 120MB diskettes in packaging" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Super_Disk_120MB_9111.jpg/120px-Super_Disk_120MB_9111.jpg" decoding="async" width="120" height="91" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Super_Disk_120MB_9111.jpg/180px-Super_Disk_120MB_9111.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/83/Super_Disk_120MB_9111.jpg/240px-Super_Disk_120MB_9111.jpg 2x" data-file-width="3634" data-file-height="2754" /></a></span></div> <div class="gallerytext">SuperDisk 120MB diskettes in packaging</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Super_Disk_120MB_9129.jpg" class="mw-file-description" title="SuperDisk 120MB diskette disassembly"><img alt="SuperDisk 120MB diskette disassembly" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Super_Disk_120MB_9129.jpg/120px-Super_Disk_120MB_9129.jpg" decoding="async" width="120" height="85" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Super_Disk_120MB_9129.jpg/180px-Super_Disk_120MB_9129.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Super_Disk_120MB_9129.jpg/240px-Super_Disk_120MB_9129.jpg 2x" data-file-width="3979" data-file-height="2832" /></a></span></div> <div class="gallerytext">SuperDisk 120MB diskette disassembly</div> </li> </ul> <div class="mw-heading mw-heading2"><h2 id="Criticism_and_obsolescence">Criticism and obsolescence</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=SuperDisk&action=edit&section=3" title="Edit section: Criticism and obsolescence"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Older 800KB and 400KB <a href="/wiki/Mac_(computer)" title="Mac (computer)">Macintosh</a> floppies, using <a href="/wiki/Group_coded_recording" title="Group coded recording">GCR</a>, did not work with a SuperDisk drive. These disks could be used in a SuperDisk drive only if formatted to PC 720 KB MFM format. Note that almost no USB floppy drives supported Mac GCR floppies.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2024)">citation needed</span></a></i>]</sup> </p><p>The biggest hurdle standing in the way of success was that Iomega's <a href="/wiki/Zip_drive" title="Zip drive">Zip drive</a> had been out for three years when SuperDisk had been released. Zip had enough popularity to leave the public mostly uninterested in SuperDisk, despite its superior design and its compatibility with the standard floppy disk.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2024)">citation needed</span></a></i>]</sup> </p><p>By 2000, the entire removable magnetic disk category was finally obsoleted by the falling prices of <a href="/wiki/CD-R" title="CD-R">CD-R</a> and <a href="/wiki/CD-RW" title="CD-RW">CD-RW</a> drives, and later on <a href="/wiki/Solid-state_drive" title="Solid-state drive">solid-state</a> (<a href="/wiki/USB_flash_drive" title="USB flash drive">USB flash drives</a> or USB keydrives). Over the next few years, SuperDisk was quietly discontinued, even in areas where it was popular. Today, disks are very hard to find.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2024)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading2"><h2 id="Practicality">Practicality</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=SuperDisk&action=edit&section=4" title="Edit section: Practicality"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The USB models were quite popular for debugging and installing servers that did not have a CD drive available. They could both store massive numbers of drivers for installation purposes as well as be used to run live operating systems, such as <a href="/wiki/ReactOS" title="ReactOS">ReactOS</a>, which amounts to 150 MB.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (June 2024)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=SuperDisk&action=edit&section=5" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Caleb_UHD144" title="Caleb UHD144">Caleb UHD144</a></li> <li><a href="/wiki/Sony_HiFD" title="Sony HiFD">Sony HiFD</a></li> <li><a href="/wiki/IBM_Extended_Density_Format" title="IBM Extended Density Format">IBM Extended Density Format</a>, technically unrelated special format for traditional HD floppy controllers, also providing a mini file system containing a <a href="/wiki/README" title="README">README</a> file similar to the LS-240's FD32M format.</li></ul> <style data-mw-deduplicate="TemplateStyles:r1239009302">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output .portalbox-entry{display:table-row;font-size:85%;line-height:110%;height:1.9em;font-style:italic;font-weight:bold}.mw-parser-output .portalbox-image{display:table-cell;padding:0.2em;vertical-align:middle;text-align:center}.mw-parser-output .portalbox-link{display:table-cell;padding:0.2em 0.2em 0.2em 0.3em;vertical-align:middle}@media(min-width:720px){.mw-parser-output .portalleft{clear:left;float:left;margin:0.5em 1em 0.5em 0}.mw-parser-output .portalright{clear:right;float:right;margin:0.5em 0 0.5em 1em}}</style><ul role="navigation" aria-label="Portals" class="noprint portalbox portalborder portalright"> <li class="portalbox-entry"><span class="portalbox-image"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Nuvola_apps_kcmsystem.svg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7a/Nuvola_apps_kcmsystem.svg/28px-Nuvola_apps_kcmsystem.svg.png" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7a/Nuvola_apps_kcmsystem.svg/42px-Nuvola_apps_kcmsystem.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7a/Nuvola_apps_kcmsystem.svg/56px-Nuvola_apps_kcmsystem.svg.png 2x" data-file-width="128" data-file-height="128" /></a></span></span><span class="portalbox-link"><a href="/wiki/Portal:Engineering" title="Portal:Engineering">Engineering portal</a></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=SuperDisk&action=edit&section=6" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style 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.citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a 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Retrieved <span class="nowrap">2013-06-24</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Tech+Flashback%3A+iomega+ZIP+100+vs+3M%2FImation+Superdisk+LS-120+Showdown&rft.date=2013-05-02&rft.aulast=Lui&rft.aufirst=Gough&rft_id=http%3A%2F%2Fgoughlui.com%2F%3Fp%3D3173&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASuperDisk" class="Z3988"></span></span> </li> </ol></div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=SuperDisk&oldid=1241859638">https://en.wikipedia.org/w/index.php?title=SuperDisk&oldid=1241859638</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Category</a>: <ul><li><a href="/wiki/Category:Floppy_disk_drives" title="Category:Floppy disk drives">Floppy disk drives</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_matches_Wikidata" title="Category:Short description matches Wikidata">Short description matches Wikidata</a></li><li><a href="/wiki/Category:Use_dmy_dates_from_January_2022" title="Category:Use dmy dates from January 2022">Use dmy dates from January 2022</a></li><li><a href="/wiki/Category:Use_list-defined_references_from_January_2022" title="Category:Use list-defined references from January 2022">Use list-defined references from January 2022</a></li><li><a href="/wiki/Category:All_articles_with_unsourced_statements" title="Category:All articles with unsourced statements">All articles with unsourced statements</a></li><li><a href="/wiki/Category:Articles_with_unsourced_statements_from_June_2024" title="Category:Articles with unsourced statements from June 2024">Articles with unsourced statements from June 2024</a></li><li><a href="/wiki/Category:Commons_category_link_from_Wikidata" title="Category:Commons category link from Wikidata">Commons category link from Wikidata</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 23 August 2024, at 14:52<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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