• ATX Motherboard ETX baseboard
  • Four PCI and three ISA slots
  • Power connectors for ATX and Baby AT power supplies
  • All standard motherboard I/O connections
  • FFC connector for LVDS panels
  • Four ETX connectors to install any standard ETX CPU module
Last updated on March 5, 2021, 11:48 am


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Model ETX-EVAL is an ideal development platform for all ETX projects. Based on the ATX motherboard footprint, the ETX-EVAL has all ETX standard I/O connections brought out such as IDE, FDD, parallel, two serial ports, RJ45 ethernet and a total of four USB ports. In addition to a standard VGA connector, a FFC JILI connector is provided that can drive any LVDS or LCD flat panel with optional panel specific cabling. The motherboard is I/O expandable via four PCI and three ISA slots to install application specific I/O boards. With included ATX and Baby AT power connectors, almost any available PC power supply can be used. For ease of development, standard PS/2 receptacles for keyboard and mouse are provided. Both piezo speaker and reset button are provided as well as Line IN/OUT, microphone and speaker connectors. Hexadecimal display for Port80 Post Code is conveniently mounted for diagnostic assistance. IRDA signals are available on the baseboard through a pin header connector. For specific availability of tested ETX CPU modules, contact ACCES I/O for model and price.


Bus Expansion

  • PCI board slots: Four
  • ISA board slots: Three (PC/104 can be used with extra adapter board)

Motherboard mounted I/O Connectors

  • Video: DB15 VGA output
  • Parallel: Standard DB25 female LPT port
  • Serial: Four DB9 male RS-232 ports, two standard rear,(two front optional depending on ETX module used)
  • USB: Four ports(actual in operation depends on ETX module selected)
  • Keyboard: Mini-Din PS/2
  • Mouse: Mini-Din PS/2
  • Ethernet: RJ45 10/100BaseT
  • Sound: Line In/Out, Microphone, Speaker

Baseboard header I/O Connectors

  • Drives:
    • Two IDE 40-pin keyed connectors
    • Two Floppy 34-pin keyed connectors (Only one derived from ETX)
  • Fan: Three pin locking header
  • LCD/LVDS: 40 pin FFC connector(JILI)
  • Video out: Eight pin two row header
  • Audio: Six pin sound connector
  • Line In: Four pin header
  • IrDA: Eight pin line header
  • Feature: 24 pin two row header with Reset, Battery, Misc power/signals

Baseboard mounted features

  • Diagnostic Port 80 post code using two seven segment hexadecimal displays
  • Reset button
  • CMOS battery socket for RTC clock and ETX setup parameters
  • Piezo speaker


ATX and Baby AT power connectors


  • Operating Temperature Range: -5° to 70° C
  • Storage Temperature Range: -10° to +85° C
  • Operating Humidity: 10 to 90% RH, without condensation.
  • Storage Humidity: 5 to 95% RH, without condensation.
  • Board Dimension: 7.00 x 12.00 inches, ATX style rear footprint
ModelDescriptionPrice (USD)