Matches in DBpedia 2016-04 for { ?s ?p "Beta Disk Interface is a disk interface for ZX Spectrum computers. It was developed by Technology Research Ltd (United Kingdom), in 1984 and released in 1985 with price £109.25 (or £249.75 with one disk drive). Beta 128 Disk Interface is a 1987 version supporting ZX Spectrum 128 machines (difference is in access points addresses). Beta disk interfaces were distributed with TR-DOS operating system in ROM, also attributed to Technology Research Ltd. Latest firmware version is 5.03 (1986).The interface was based on the WD1793 chip.The interface handles single and double sided, 40 and 80 track double density floppy disks, up to 4 drives."@en }
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- Beta_Disk_Interface abstract "Beta Disk Interface is a disk interface for ZX Spectrum computers. It was developed by Technology Research Ltd (United Kingdom), in 1984 and released in 1985 with price £109.25 (or £249.75 with one disk drive). Beta 128 Disk Interface is a 1987 version supporting ZX Spectrum 128 machines (difference is in access points addresses). Beta disk interfaces were distributed with TR-DOS operating system in ROM, also attributed to Technology Research Ltd. Latest firmware version is 5.03 (1986).The interface was based on the WD1793 chip.The interface handles single and double sided, 40 and 80 track double density floppy disks, up to 4 drives.".
- Q2366954 abstract "Beta Disk Interface is a disk interface for ZX Spectrum computers. It was developed by Technology Research Ltd (United Kingdom), in 1984 and released in 1985 with price £109.25 (or £249.75 with one disk drive). Beta 128 Disk Interface is a 1987 version supporting ZX Spectrum 128 machines (difference is in access points addresses). Beta disk interfaces were distributed with TR-DOS operating system in ROM, also attributed to Technology Research Ltd. Latest firmware version is 5.03 (1986).The interface was based on the WD1793 chip.The interface handles single and double sided, 40 and 80 track double density floppy disks, up to 4 drives.".