ST-412 - definizione. Che cos'è ST-412
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Cosa (chi) è ST-412 - definizione

5.25 INCH HARD DISK DRIVE, INTRODUCED IN 1980
ST506; ST-412; ST-506; ST412HP; ST412
  • 5.25 inch MFM hard disk drive
  • Control Connector
  • Data Connector

ST-506         
<storage> The first full-height 5.25 inch hard disk drive for personal computers, introduced in 1980 by Shugart Technology (now Seagate Technology). The ST-506 stored up to 5 megabtyes after formatting using MFM encoding. It transferred data at 625 kilobytes per second. The ST-506 (like the ST-412) was interfaced to a computer via a disk controller. The interface was a faster version of the Shugart Associates SA1000 interface, which was in turn based upon the floppy disk drive interface. Two cables connected the controller to the disk. The 34-pin control cable controlled mechanical motion and data was read or written serially using two pins of the 20-pin data cable. Other companies copied the interface, creating a universal {de facto standard} that was further strengthened by its revision to support Seagate's 10 MB ST-412 drive that was adopted for the IBM PC XT. Around 1990, SCSI and ATA superseded ST-506. These eliminated the problems of matching controllers to drives by physically integrating a controller with the drive, allowing interleave ratios and other disk parameters to be optimised by the manufacturer rather than the system integrator. Connector pin-out (http://www.gamesx.com/hwb/co_ST506.html). (2007-03-06)
Bell 412         
  • Griffin HAR2 of [[No. 84 Squadron RAF]] during [[medevac]] exercise, 2020
  • An Agusta-Bell AB-412 of the Italian Army
  • Finnish Frontier Guard]] Agusta Bell AB-412
  • Turkish Coast Guard
  • A Bell 412EP Griffin HT1 of the [[Royal Air Force]] [[Defence Helicopter Flying School]] [[hover taxis]] to the runway at [[RIAT]] in 2010.
  • A Royal Norwegian Air Force Bell 412
  • Chilean Air Force Bell 412
  • Bell 412 of Indonesian Navy
  • 400px
  • both military and government}}{{col-end}}
  • Rotor head and transmission of a Bell 412
  • A Peruvian Navy AgustaWestland Bell AB-412SP
  • LA County Fire Dept.]] 412 sits atop a helipad in the mountains in the [[Angeles National Forest]].
  • UH-X prototype
  • A Royal Thai Air Force Bell 412
  • A Slovenian Air Force Bell 412
UTILITY TRANSPORT HELICOPTER FAMILY BY BELL
RAF Griffin HT1; Griffin HT1; Bell Griffin HAR2; AB-412; Bell 412 helicopter; Bell-412; Bell 412EP; Agusta-Bell AB 412; Bell Model 412; IPTN NBell-412; Bell 412SP; Bell Griffin; B412; Griffin HAR2; Bell Griffin HAR.2; Subaru-Bell UH-X; Subaru-Bell XUH-2; Subaru-Bell UH-2; Bell 412 EPI
The Bell 412 is a utility helicopter of the Huey family manufactured by Bell Helicopter. It is a development of the Bell 212, with the major difference being the composite four-blade main rotor.
St Peter, Hertfordshire         
FORMER CIVIL PARISH IN HERTFORDSHIRE, UNITED KINGDOM
St Albans St Peter; St Peter, St Albans; St. Albans St. Peter; St Albans, St Peter
St Peter was an ancient parish in Hertfordshire, England that was abolished for civil purposes in 1894. It was also known as St Albans St Peter.

Wikipedia

ST506/ST412

The ST-506 and ST-412 (sometimes written ST506 and ST412) were early hard disk drive products introduced by Seagate in 1980 and 1981 respectively, that later became construed as hard disk drive interfaces: the ST-506 disk interface and the ST-412 disk interface. Compared to the ST-506 precursor, the ST-412 implemented a refinement to the seek speed, and increased the drive capacity from 5 MB to 10 MB, but was otherwise highly similar.

Beginning with its selection as the hard drive subsystem for the original IBM XT disk drive controllers supporting the ST-412 interface grew to become ubiquitous in the personal computer industry, The ST-412 interface and its variants were the de facto industry standard for personal computer hard disks until the advent and wider adoption of the IDE or ATA interface in the early 1990s.

Both interfaces used MFM encoding; the subsequent extension of the ST-412 interface, the ST-412HP interface, used RLL encoding for a 50% increase in capacity and bit rate.

Esempi dal corpus di testo per ST-412
1. Station Square Dr., (412) 261–1717, buffet $21 Activities: Andy Warhol Museum, 117 Sandusky St., (412) 237–8300, http://www.warhol.org, $10 Mattress Factory, 500 Sampsonia Way, (412) 231–316', http://www.mattress.org, $8 Nightlife: Kelly‘s Bar, 6012 Penn Circle South, (412) 363–6012 Prelude Wine Bar, 107 6th St., (412) 562–1200 YOUR E–MAIL ALERTS Pennsylvania Art Museums Nightclubs Tourism or Create Your Own Manage Alerts
2. RELATED Budget Travel: Arts–and–crafts vacations SPECIAL REPORT World class travel Quiz: Name the cities Your Picks: Top destination E–mail us: Digital postcards Special Report IF YOU GO ... Lodging: Renaissance Pittsburgh Hotel, 107 6th St., (412) 562–1200, http://www.marriott.com, from $14' Food: Church Brew Works, 3525 Liberty Ave., (412) 688–8200, pierogies $6.50 Grand Concourse, 100 w.