141:
31:
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formats for each of its 77 tracks, yielding a maximum capacity of 1,892,000 bytes of file space on its double-sided version An add-on module available for the 1055 is comprised of two read/write heads and two drives, sharing a common controller. The subsystem capacity (formatted) with the module is
500:
series - Model 1015 and Model 1055 The Model 1015 is an unpackaged drive designed for the manufacturer who integrates floppy disk storage into his own system enclosure. A range of storage capacities from 143,000 to 630,000 bytes per drive is available Model 1015 customers have the option of using
241:
Micropolis was one of the many hard drive manufacturers in the 1980s and 1990s that went out of business, merged, or closed their hard drive divisions; as a result of capacities and demand for products increased, and profits became hard to find. While
Micropolis was able to hold on longer than many
495:
series also features an intelligent controller that facilitates interconnection of four subsystems to a common host interface for a total on-line storage capacity of more than 15M bytes Double-sided versions of the product line will be implemented first in two
253:
After the disk business sale, Micropolis was reorganized as StreamLogic
Corporation, which declared bankruptcy in 1997 amid securities fraud allegations. StreamLogic's RAIDION line of storage subsystems survive, now marketed by the RAIDION Systems division of
383:. Centre for Management of Innovation and Technopreneurship, National University of Singapore: The Information Storage Industry Center, Graduate School of International Relations and Pacific Studies, University of California. Report 99-03. Archived from
237:
founded after
Shugart Associates was sold). They later followed with a 5.25-inch hard drive. Micropolis started to manufacture drives in Singapore in 1986. Manufacturing of 3.5-inch hard disks started in 1991.
505:(GCR) method to further expand file space up to 946,000 bytes Offering GCR and a microprocessor-based controller as standard features, the Model 1055 5.25-in. floppy has four
255:
1132:
1152:
619:
491:
Micropolis has extended the capacity of 5.25-in. floppy disk subsystems via double-sided models with formatted file storage of up to nearly 2 million bytes The
349:. The Information Storage Industry Center, Graduate School of International Relations and Pacific Studies, University of California. Report 97-06. Archived from
243:
318:
278:
176:
density because of the attraction of an exact 100 tracks to the inch. "Micropolis-compatible" 5.25-inch 77-track diskette drives were also manufactured by
156:, and double both the track density and track recording density to get four times the total storage on a 5.25-inch floppy in the "MetaFloppy" series with
1142:
1127:
519:
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1157:
612:
347:"Sustaining Competitive Advantage in Global Industries: Technological Change and Foreign Assembly in the Hard Disk Drive Industry"
652:
605:
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511:
422:
1147:
645:
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346:
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http://www.s100computers.com/Hardware%20Folder/Vector%20Graphic/VG%20Micropolis%20FDC/VG%20Micropolis%20FDC.htm
804:
129:
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17:
532:
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Micropolis's first advance was to take the existing 48 tpi (tracks per inch) standard created by
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8:
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Micropolis boot diskette, as used with the
Micropolis dual 5.25-inch drive to boot an
1096:
1086:
1021:
1011:
426:
108:
and founded in 1976. Micropolis initially manufactured high capacity (for the time)
1081:
1006:
951:
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180:(TM100-3M and TM100-4M). Such drives were used in a number of computers like in a
996:
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628:
536:
274:
259:
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to a common host for a maximum on-line storage capacity of more than 15M bytes
229:
Micropolis entered the hard disk business with an 8-inch hard drive, following
200:
196:
181:
273:, which was formed from the purchase of the hardware division of FWB, a small
218:
when
Shugart went to the 96 tpi standard, based on exact doubling of the
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824:
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470:
109:
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Emerging from the StreamLogic reorganization was yet another company named
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1016:
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936:
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145:
121:
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563:(NB. An (incomplete) list of hard disk drives produced by Micropolis.)
510:
3,784,000 bytes Up to four 1055s, each with an add-on module, can be
30:
991:
956:
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423:"CV-97-10304 Diana Corporation Securities Class Action Complaint"
173:
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891:
874:
809:
739:
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587:
219:
215:
1041:
1031:
814:
704:
593:
Marcus
Bennett's incomplete Micropolis Documentation resource
242:
of the others, it ultimately sold its hard drive business to
572:
http://www.retrotechnology.com/herbs_stuff/tandon_TM100.html
849:
724:
576:
378:"The dynamics of the HDD industry development in Singapore"
125:
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for reading by double stepping to read 48 tpi disks.
966:
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901:
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http://retrotechnology.com/herbs_stuff/d_micropolis.html
694:
304:
1133:Technology companies based in Greater Los Angeles
627:
340:
338:
1114:
317:. Canoga Park, CA, USA: Micropolis Corporation.
277:storage vendor. Its assets were sold in 2000 to
1153:Defunct computer companies of the United States
250:), who has ceased to market the brand in 1998.
335:
613:
588:Hammer Storage division of Bell Microproducts
466:"NCC Preview: OEMs at NCC - Micropolis Corp"
312:"Micropolis - MetaFloppy. Beyond the floppy"
371:
369:
367:
620:
606:
501:the Micropolis intelligent controller and
344:
29:
1143:Computer companies disestablished in 1997
1128:American companies disestablished in 1997
364:
139:
653:List of defunct hard disk manufacturers
415:
1138:Computer companies established in 1976
1123:American companies established in 1976
1115:
233:'s lead (Seagate was the next company
601:
440:
401:
375:
172:) around 1980. Micropolis pioneered
1158:Defunct computer hardware companies
522:Micropolis/Vector Graphic S-100 FDC
345:McKendrick, David (November 1997).
13:
458:
14:
1169:
539: (archived November 11, 1996)
526:
554:from the original on 2017-03-28
324:from the original on 2017-03-25
246:(ST) in 1996, a subsidiary of
1:
805:Digital Equipment Corporation
297:
214:Micropolis later switched to
7:
641:History of hard disk drives
376:Wong, Poh-Kam (July 1999).
284:
256:Peripheral Technology Group
222:standard. This allowed for
51:; 48 years ago
18:Micropolis (disambiguation)
10:
1174:
1148:Computer storage companies
550:(in Chinese and English).
135:
15:
687:
661:
636:
83:
68:
45:
37:
28:
967:Nippon Electric Industry
730:Bryant Computer Products
646:IBM magnetic disk drives
271:Hammer Storage Solutions
860:Hokushin Electric Works
765:Computer Memories, Inc.
480:CW Communications, Inc.
448:"TCR_Public/970630.MBX"
409:"TCR_Public/970626.MBX"
262:technology was sold to
224:backwards compatibility
149:
120:, later manufacturing
106:Chatsworth, California
94:Micropolis Corporation
87:Bankruptcy liquidation
62:Chatsworth, California
24:Micropolis Corporation
291:Group Coded Recording
143:
942:MiniStor Peripherals
887:Intégral Peripherals
820:ExcelStor Technology
503:Group Code Recording
264:Sumitomo Corporation
244:Singapore Technology
16:For other uses, see
1047:Samsung Electronics
548:Hardware Collection
104:company located in
25:
1072:SyQuest Technology
1057:Shugart Associates
770:Conner Peripherals
760:CII-Honeywell-Bull
745:Castlewood Systems
669:Seagate Technology
482:: P/50. 1978-05-28
279:Bell Microproducts
154:Shugart Associates
150:
23:
1110:
1109:
1087:Texas Instruments
1012:Potter Instrument
91:
90:
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1007:Plus Development
952:Mitsumi Electric
835:General Electric
715:Areal Technology
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533:Official website
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425:. Archived from
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997:Pertec Computer
977:Ohio Scientific
845:Hewlett-Packard
755:Caelus Memories
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679:Western Digital
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629:Hard disk drive
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582:RAIDION Systems
557:
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537:Wayback Machine
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631:manufacturers
630:
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584:(Now defunct)
583:
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549:
545:
541:
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531:
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512:daisy-chained
508:
507:soft-sectored
504:
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494:
481:
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473:
472:
471:Computerworld
467:
463:
462:
449:
443:
429:on 2012-12-10
428:
424:
418:
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404:
390:on 2012-07-17
386:
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372:
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353:on 2014-02-09
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258:. Its VIDEON
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195:disk drives (
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191:and in a few
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114:floppy drives
111:
110:hard-sectored
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71:
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63:
48:
44:
41:Storage media
40:
36:
32:
27:
19:
987:Olivetti OPE
931:
840:GS Magicstor
795:Dataproducts
785:Data General
556:. Retrieved
547:
544:"Micropolis"
490:
484:. Retrieved
475:
469:
442:
431:. Retrieved
427:the original
417:
403:
392:. Retrieved
385:the original
355:. Retrieved
351:the original
326:. Retrieved
306:
270:
268:
252:
240:
235:Alan Shugart
228:
213:
189:Durango F-85
174:100 tpi
169:
165:
161:
158:quad density
151:
132:interfaces.
97:
93:
92:
220:48 tpi
216:96 tpi
122:hard drives
118:controllers
96:(styled as
1117:Categories
1067:StorageTek
1017:PrairieTek
947:Mitsubishi
937:MiniScribe
932:Micropolis
917:Librascope
897:JT Storage
558:2017-03-28
493:Megafloppy
486:2017-06-12
433:2005-04-15
394:2017-03-27
357:2011-08-03
328:2017-03-25
298:References
146:IMSAI 8080
112:5.25-inch
102:disk drive
98:MICROPΩLIS
992:Panasonic
790:Datapoint
780:Data Disc
735:Burroughs
275:Macintosh
193:Commodore
185:S-100 bus
577:DigiSAFE
552:Archived
319:Archived
285:See also
209:SFD-1001
160:(Drives
100:) was a
38:Industry
1102:YE-Data
1062:Siemens
1027:Quantum
1002:Philips
982:Okidata
927:Memorex
912:Kyocera
907:Kennedy
865:Hyosung
855:Hitachi
830:Fujitsu
775:Cornice
750:Calcomp
740:C. Itoh
688:Defunct
674:Toshiba
662:Current
535:at the
231:Seagate
136:History
74: (
69:Defunct
54: (
46:Founded
1092:Tokico
1077:Tandon
1052:Sequel
1037:Rodime
922:Maxtor
892:Iomega
875:AdStar
810:Emulex
710:Anelex
478:(22).
205:8250LP
178:Tandon
168:, and
124:using
1097:Xebec
1042:SAGEM
1032:Ricoh
1022:Priam
972:Nomaï
815:Epson
705:Ampex
388:(PDF)
381:(PDF)
322:(PDF)
315:(PDF)
293:(GCR)
170::1043
166::1053
162::1054
1082:TEAC
850:HGST
725:BASF
207:and
201:8250
197:8050
130:ESDI
128:and
126:SCSI
116:and
84:Fate
76:1997
72:1997
56:1976
49:1976
962:NEC
957:NCR
902:JVC
870:IBM
498:OEM
476:XII
211:).
60:in
1119::
695:3M
546:.
489:.
474:.
468:.
366:^
337:^
281:.
266:.
203:,
199:,
164:,
621:e
614:t
607:v
561:.
450:.
436:.
411:.
397:.
360:.
331:.
148:.
78:)
58:)
20:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
