Original AST Research MegaPlus multifunction expansion card for early IBM PC/XT systems, copyright 1982.Includes the installed piggyback memory expansion assembly shown in the photos, populated with Mostek MK4264-20 DRAM chips.Features:
• Original AST Research MegaPlus
• Copyright 1982 AST Research Inc.
• Early 8-bit ISA IBM PC expansion card
• Piggyback RAM expansion assembly
• Mostek MK4264-20 DRAM
• Battery-backed clock/calendar circuitry
• Serial communications capability
• Original full-length expansion bracket
• Excellent period-correct piece for an early IBM PC/XT restoration or vintage computer collectionThis is the exact board shown in the photographs. It has not been tested and is being sold as-is for restoration, parts, display, or collector use. Please review all photos carefully for configuration and condition.
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