ZX Spectrum +2A/2B, +3/3B: Difference between revisions

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(Created page with " ==Hardware== Both the +3 and Black +2 have the following hardware specifications: * Processor: Zilog Z80A microprocessor clocked at 3.5469MHz. * ROM: 64KB ROM. 2*32KB EPROM a...")
 
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==Hardware==
==Hardware==
 
=====Both the +3 and Black +2 have the following hardware specifications:=====
Both the +3 and Black +2 have the following hardware specifications:
* Processor: Zilog Z80A microprocessor clocked at 3.5469MHz.
* Processor: Zilog Z80A microprocessor clocked at 3.5469MHz.
* ROM: 64KB ROM. 2*32KB EPROM arranged in 4 pages of 16KB.
* ROM: 64KB ROM. 2*32KB EPROM arranged in 4 pages of 16KB.
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* I/O: Software controlled RS232 serial port. AUX Port. Tape In (ear) and Tape Out (mic). Two Sinclair SJS Joystick Ports. Parallel Printer Port
* I/O: Software controlled RS232 serial port. AUX Port. Tape In (ear) and Tape Out (mic). Two Sinclair SJS Joystick Ports. Parallel Printer Port


The +3 has the following additional components:
=====The +3 has the following additional components:=====
* Floppy Disc Controller: Zilog Z0765A ([[uPD765A]]).
* Floppy Disc Controller: Zilog Z0765A ([[uPD765A]]).
* I/O: "Disk B:" External disk drive connector.
* I/O: "Disk B:" External disk drive connector.


The Black +2 has the following additional components:
=====The Black +2 has the following additional components:=====
* Cassette interface daughterboard.
* Cassette interface daughterboard.
* "Datacorder" cassette mechanism.
* "Datacorder" cassette mechanism.

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