Xtend 32MC / MC-32 Memory Expansion Board, MCA adapter ID 7430, distributed with VisionTek documentation/software.

Designed for IBM PS/2 Models 70 and 80 using a 32-bit Micro Channel expansion slot.

The board provides up to 16MB of additional memory using four 72-pin SIMM sockets. It accepts 1MB, 2MB and 4MB SIMMs in supported configurations. All four SIMM sockets on this example are currently unpopulated; memory SIMMs are not included.

Included as pictured are the original VisionTek 16-bit and 32-bit Micro Channel Memory Expansion Boards installation guide and original VisionTek Utility Software Version 2.0 (MC-16/32) 3.5-inch diskette(Factory Sealed).

The software provides the Micro Channel configuration/adapter files, memory diagnostic software and related utilities required for configuring these expansion boards in IBM PS/2 systems.

PCB is marked PWB 100072 REV A and carries 1993-era markings. The accompanying VisionTek software is copyright 1994.

This documentation covers both VisionTek/Xtend memory boards:
MC-16 / adapter ID 70D8 — 16-bit board
MC-32 / 32MC / adapter ID 7430 — 32-bit board

This listing is for the 32-bit MC-32/32MC board shown in the photographs.

Includes:
32-bit Micro Channel memory expansion board, original installation manual, original VisionTek utility/configuration disk and anti-static packaging shown.

Board and vintage diskette are untested and sold as-is. No guarantee is made regarding functionality or readability of the diskette.

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