Tomcat i815ef (S2425)
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  Benefits and Applications

The Tomcat i815ef provides leading-edge features and performance for systems based on the Flex ATX form factor.  Based on  the Intel 815e (B-Step) chipset, this system board supports Intel's Celeron and Pentium III processors, including the latest 1.13GHz and 1.26GHz models (Tualatin).  In addition to the flexible processor support, the Tomcat i815ef features dual LAN ports, perfect for supporting simultaneous connections to a network and a broadband communications device.  This platform also features two DIMM sockets, two PCI slots, dual-channel ATA-100, USB and more.

  Tomcat i815ef Models

Standard Model

UPC Number


 6 35872 005943

  Standard Features

  • Processor
    Single PGA370 ZIF socket
    Supports one Intel Celeron or Pentium III processor 
    CPU chart; onboard VRM 8.5 spec
    Supports "Tualatin" series PIII processor
    FSB support for 100MHz and 133MHz
  • Chipset
    Intel 815e (B-Step)
    National PC87366 Super I/O ASIC
  • System Memory
    Two 3.3v 168-pin DIMM sockets
    Supports up to 512MB unbuffered
    Supports unbuffered PC133 memory only
  • Expansion Slots
    Two 32-bit 33MHz (5-volt) PCI slots
    Total of two usable slots
  • Integrated I/O
    One floppy connector supports up to two drives
    Two 9-pin 16550-based serial ports
    (one via optional cable)
    One 25-pin SPP/ECP/EPP parallel port
    Two USB ports; PS/2 keyboard and mouse ports
  • Integrated Video
    Onboard Intel 815e graphics accelerator
    Standard 15-pin analog VGA port
  • Integrated PCI IDE
    Dual-channel master mode
    Up to four Enhanced IDE devices
    Support for ATA-100/66/33 IDE and
    ATAPI compliant devices
  • Integrated LAN
    Two Intel LAN controllers
     - one 82559 controller
     - one via Intel's ICH2 (82562EM)
    10/100Mbps data transfer rate per controller
  • BIOS
    AMI BIOS on 4Mb Flash ROM
    Supports APM v1.2 & ACPI v1.0
    User settings for hardware monitoring
    Auto-configuration of IDE hard drive types
    Muliple boot options; DMI 2.0 compliant
  • Form Factor
    Flex ATX footprint (9" x 7.5")
    20-pin ATX power connector
    Stacked parallel (one), serial (one) and VGA (one) ports; stacked USB (two) ports
    Side-by-side LAN (two) ports
    Stacked keyboard and mouse ports
  • Regulatory
    FCC DoC (Declaration of Conformity)
    European Community CE (Declaration of Conformity) 

Information published on is subject to change without notice.
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