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title: "How to Grow Up to the Megabyte Micro"
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modified_at: "2026-03-15T17:29:50+00:00"
author: "David Anderson"
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excerpt: "BASICare brochure introducing \"How to Grow Up to the Megabyte Micro\" — the Organic Micro Expansion System for the ZX-81 — describing the modular expansion concept that allows the ZX-81 to grow into a megabyte-class system."
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# How to Grow Up to the Megabyte Micro

BASICare brochure introducing “How to Grow Up to the Megabyte Micro” — the Organic Micro Expansion System for the ZX-81 — describing the modular expansion concept that allows the ZX-81 to grow into a megabyte-class system.