R658/N series
      
      Key Features :
      * CPU : Supports Slot 1 for Intel Pentium II CPU (66MHz/100MHz).
      * Chipset : SiS 5600, 5595.
      * Pentium II CPU Built-in 256K or 512K L2 Cache.
      * Supports 3 x 168-pin DIMM Sockets.
      - The Memory size from up to 768MB.
      - Supports FP (Fast Page), EDO (Extended Data Out) Mode DRAM and SDRAM.
      * Three 16-bit ISA Slots and Four 32-bit PCI Master Mode Slots.
      * 2 x IDE Connectors for up to 4 IDE Drivers
      - PIO Mode 4 transfers & Ultra IDE Mode.
      - PCI Bus Master Mode IDE interface.
      - Support Ultra DMA.
      * Universal Serial Bus Controller.
      - Host / HUB Controller.
      - Two USB Ports
      * On Board I/O supports :
      - 2 Serial Ports (16550 Fast UART compatible ).
      - 1 Parallel Port ( ECP and EPP capabilities ).
      - 1 Floppy Disk Controller ( Supports Two FD Drivers ).
      - 1 PS/2 Mouse Connector.
      - 1 PS/2 Keyboard Connector.
      - 1 IrDA Connector.
      * Flash ROM BIOS with Green, Plug and Play Features.
      * ATX Form Factor : 30.4cm x 19cm or 12" x 7.5" (4 Layers)