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List of ZX Spectrum clones
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==== GrandRomMax ==== The '''GrandRomMax''' was a Russian clone of the ZX Spectrum made in Moscow in 1993.<ref>{{Cite web|url=http://zx.interface1.net/clones/grandrommax.html|title=Sinclair Nostalgia Products - Sinclair Clones|website=zx.interface1.net}}</ref> It is very similar to the [[Pentagon (computer)|Pentagon]], but was designed to be more like the original ZX Spectrum. Several variations exist of the system, with only minor differences between them. One version has an improperly configured [[Beta Disk Interface]], resulting in all information on the disk being destroyed when an attempt to write to it is made on a different machine. The GrandRomMax is not easy to expand because some of its PL/M chips do not support the signals required for sending and receiving data to and from certain peripherals.
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