- also known as OPTI-495SX 3/486WB CACHE
        - AMI BIOS ID string   40-0101-001107-00001111-060692-OPWB4SXB-F
        - AMI BIOS ID string   40-0101-001107-00001111-060692-OPWB4SXWB-F
        - 8-30 pin SIMM slots  (1-32meg FPM DRAM)
        - 1-32 bit VESA Local Bus slots (Non-functional)
        - 6-16 bit ISA slots
        - 2-8 bit ISA slots
        - 64k-256k CACHE support in 8-28pin sockets + 1 TAG RAM socket
        - AMI 1992 Bios
        - Opti 82c495sx/82c206q/82c392sx chipset
        - AMD 386-40 soldered onboard
        - 239pin 486 PGA Socket & 80387 NPU socket which supports these processors:
          INTEL 80386DX,80487SX,80486SX/DX/DX2, ODP486SX
        - Supports speeds of 25/33/40/50/66 MHz.
        - Manufactured by: INFOMATIC POWER SYSTEMS CORPORATION