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PM486PU-S3 PCI Motherboard

        - BIOS ID string   UMC-881/886A - 2A4X5P6CC-00
        - 2-72 pin SIMM slots  (1-64meg FPM DRAM)
        - 3-32bit PCI Bus slots
        - 4-16bit ISA slots
        - 128k-512k CACHE support in 4-28pin sockets + 1 TAG RAM socket
        - Award BIOS 
        - Supports LBA Mode Control & Large Disk DOS Compatibility.
        - Green PC Connector
        - external 3.6 battery not included
        - UMC UM8881K & UM8886BF // UMC-881/886A chipset
        - Supports 3.3/3.45/4.0/5.0 volt CPU's.
        - 237pin ZIF CPU socket 2 which supports these processors:
          INTEL 80486SX/SX2,80486DX/DX2/DX4,P24T,P24D
          CYRIX CX486S(M6),CX486DX/DX2(M7),CX486DX4,CXM1
          AMD AM486DX/DX2/DX4
          UMC GREEN CPU U5S-SUPER
        - Supports speeds of 20/25/33/40/50/66/75/80/100 MHz.
        - 32bit Bus master for 2 IDE interfaces supporting 4 IDE devices.
        - Multi-I/O chip supports 2 - 16550 Fast UART serial ports
          1 - parallel port with EPP & ECP, 1 - floppy disk interface.
        - Manufactured by: PROTECH