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PT-428 486 VESA Motherboard

        - BIOS ID string  40-0101-428054-00101111-111192-UMC491-H
        - 8-30 pin SIMM slots   (1-32meg FPM DRAM)
        - 3-32bit VESA Local Bus slots
        - 6-16bit ISA slots
        - 1-8bit XT slot
        - 32-256k cache support in 8-28pin sockets + 1 TAG RAM socket
        - AMI Bios
        - UMC Chipset                       <--- please confirm version
        - Supports 80486SX/DX/DX2,Pentium Overdrive at 25/33/40/50/66MHz
        - Manufactured by: PINE TECHNOLOGY