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• Acorn DFS disc format
  '''Acorn DFS''' is a simple filing system developed by [[Acorn Computer]] for its 8-bit The [[Acorn DFS]] (Disc Filing System) format was introduced on the [[System]] series of mo
  18 KB (2,933 words) - 15:37, 2 February 2024
• Acorn machines
  B with sideways RAM making 64K, 1770 disc interface as standard, optional Versions exist with no 1770 disk controller fitted. The motherboard allows
  5 KB (693 words) - 13:39, 17 October 2020
• BBC Micro
  came with both 128K of RAM and the [[Acorn 1770 DFS]] as standard in the
  13 KB (2,114 words) - 13:45, 17 October 2020
• BeebEm for UNIX README
  The images with an 'ssd' extension are DFS images. Master 128 - MOS.ROM, TERMINAL.ROM, BASIC4.ROM, DFS.ROM
  33 KB (5,317 words) - 20:12, 8 March 2015
• Master 128
  16K [[1770 DFS]]
  9 KB (1,381 words) - 14:17, 17 October 2020
• OSWORD &42
  OSWORD &42 (66 ) - Sideways RAM transfer 1770 DFS
  504 bytes (69 words) - 20:13, 8 March 2015
• OSWORD &43
  OSWORD &43 (67 ) - Load/Save into/from sideways RAM 1770 DFS
  644 bytes (92 words) - 20:13, 8 March 2015
• OSWORD &72
  1770 status byte ORed with &40. ==Cumana Electron DFS disk access==
  7 KB (955 words) - 23:02, 15 January 2017
• OSWORD &7F
  | align="center" | &E0 || <track> <nine more bytes> || (1770) Read track | align="center" | &F0 || <track> <nine more bytes> || (1770) Write track
  19 KB (2,751 words) - 04:58, 11 February 2023
• Opus DDOS
  drive controller (FDC) at the heart of Acorn DFS. Advertised from late 1983 Opus DDOS is fully Acorn DFS compatible, meaning it can read, write and
  39 KB (6,016 words) - 15:26, 25 March 2023
• Opus Challenger
  an Opus-branded Mitsubishi 5&frac14;" DSDD 80-track disc drive, a WD 1770 DFS floppy drives up to 256 kilobytes each, or one 512 kilobyte ADFS volume
  11 KB (1,643 words) - 21:25, 17 January 2022