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• Acorn DFS disc format
  ...ers in the late 1970s. The disc interface cards were based on the Intel [[8271]] floppy disc controller (FDC). ...ber of third party vendors stepped in offering interface boards to fit the 8271 socket; for the most part these were compatible with Acorn DFS but also off
  18 KB (2,933 words) - 15:37, 2 February 2024
• Acorn machines
  fitting either a WD1770 or 8271 controller.
  5 KB (693 words) - 13:39, 17 October 2020
• BBC Micro
  interface (ANB02) additional 8271 floppy disc interface (ANB03) and with
  13 KB (2,114 words) - 13:45, 17 October 2020
• BeebEm
  * 8271 disk controller
  3 KB (445 words) - 19:01, 23 January 2019
• BeebEm for UNIX README
  8271 Floppy Disc Controller
  33 KB (5,317 words) - 20:12, 8 March 2015
• Break key
  Z DFS &04 (8271 Emulation)
  1 KB (108 words) - 20:12, 8 March 2015
• High density floppy disc access
  &7F which can no longer emulate the 8271's Read ID command faithfully, and With the WDC x7xx family and the Intel 8271, obtaining this type is a simple
  23 KB (3,810 words) - 20:37, 6 October 2019
• IO
  Driven by an Intel [[8271]], or Western Digital [[1770]] on B+.
  3 KB (525 words) - 20:12, 8 March 2015
• Model A
  interface (ANB02) additional 8271 floppy disc interface (ANB03) and with
  3 KB (492 words) - 14:31, 17 October 2020
• OSWORD &7C
  XY?9 =8271 FDC command as for OSWORD &7F (127)
  424 bytes (59 words) - 20:13, 8 March 2015
• OSWORD &7F
  | 1 || 0 || 0 || align="left" | 2048 bytes (8271 only) | 1 || 0 || 1 || align="left" | 4096 bytes (8271 only)
  19 KB (2,751 words) - 04:58, 11 February 2023
• Opus DDOS
  and to provide a replacement for the scarce and expensive Intel 8271 floppy The Intel 8272 having a similar interface concept to the 8271 would have
  39 KB (6,016 words) - 15:26, 25 March 2023
• Jsbeeb
  * 8271 disk controller
  2 KB (281 words) - 06:30, 12 November 2015
• Acorn Electron
  derived floppy disc format as the Intel 8271 found in the BBC Micro, it was
  3 KB (471 words) - 13:37, 17 October 2020
• Model B plus
  ...incompatible with any software which used direct access techniques to the 8271 controller.
  1 KB (188 words) - 13:53, 14 September 2020
• US and German variants of Model B
  ...shielding to reduce electromagnetic interference, and all options (Econet, 8271 disk interface, speech) fitted as standard. | IC78 || 8271 floppy controller || IC16
  5 KB (721 words) - 18:54, 28 February 2020
• Minimal boot configuration
  *IC78 - 8271 chip or 1770/2 disk interface module after replacing the 8271/177x floppy controller, to allow its non-maskable
  2 KB (408 words) - 14:21, 17 October 2020
• Model B Plus
  Intel 8271 controller previously used making it fundamentally incompatible with any software which used direct access techniques to the 8271
  1 KB (210 words) - 14:35, 17 October 2020