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ZX Spectrum +2A/2B, +3/3B

No change in size, 02:17, 23 May 2015
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The ZX Spectrum +3 was released on the 16th of May 1987. It is a significant redesign from the original [[ZX Spectrum 128K|"Toastrack" 128K]] and [[ZX Spectrum +2|Grey +2]] models, with additional memory paging capabilities to support [[CP/M]] and additional ROM containing the [[+3DOS]] disc operating system code. The +3 has an integrated 3" 3″ single sided floppy disc drive.
The "Black +2" appeared soon after with an integrated tape drive. Housed in a slightly modified version of the +2 case moulding cast in black plastic instead of grey.
=====+3 specific hardware=====
* Floppy Disc Controller: Zilog Z0765A ([[µPD765A]]).
* I/O: "Disk B:" [[3.5" external External floppy drive drives on a the Spectrum +3|External disk drive]] connector.
=====Black +2 specific hardware=====

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