RYBS Electronics HIcard2 AMS 301485 Vintage ISA Memory Expansion Card 1988 For Sale

RYBS Electronics HIcard2 AMS 301485 Vintage ISA Memory Expansion Card 1988
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RYBS Electronics HIcard2 AMS 301485 Vintage ISA Memory Expansion Card 1988:
$497.75

Working Pull. Guaranteed to work in a compatible system
Ships within 24 hours in an anti-static bag and sturdy box.

• Brand: RYBS Electronics
• Model: HIcard2 AMS
• Part Number: 301485
• Year: 1988

This vintage RYBS Electronics HIcard2 AMS is a rare expansion memory card designed for early IBM PC/XT/AT compatible systems. It features multiple TMS4256-12NL DRAM chips and logic controllers on a green PCB with a standard 8-bit ISA interface. This hardware was historically used for memory management and expanded memory specification (EMS) tasks in legacy DOS computing environments.

• Interface: 8-bit ISA
• Memory Chips: TMS4256-12NL
• Logic Chips: 74LS series (74LS125AN, 74LS245N, etc.)
• Manufacturing Date: 1988
• Serial/Sticker: 301485

Vintage Computing, Retro PC, IBM XT, IBM AT, ISA Expansion Card, Memory Board, EMS Memory, DOS Hardware, 1980s Tech, Computer History, Rare Hardware, Collector Electronics, 8-bit Card, RYBS Electronics, Legacy System
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