Spectrum plus user manual

Sinclair - Manuals - DataServe Retro

The Spectrum was released as eht different models, ranging from the entry level with 16 KB RAM released in 1982 to the ZX Spectrum 3 with 128 KB RAM and built in floppy disk drive in 1987; together they sold in excess of 5 million units worldwide (not counting clones).

Operating Manual for the R&S FSP Spectrum.

The Spectrum was among the first mainstream-audience home computers in the UK, similar in snificance to the Commodore 64 in the USA.

MicroVersaTrip <strong>Plus</strong> and MicroVersaTrip PM Trip Units

Aperio Image Analysis User's Guide

The Spectrum is based on a Zilog Z80 A CPU running at 3.5 MHz (or NEC D780C-1 clone).

MicroVersaTrip Plus and MicroVersaTrip PM Trip Units

The orinal model has 16 KB (16×1024 bytes) of ROM and either 16 KB or 48 KB of RAM.

Spectrum plus user manual:

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