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Fox (VL-EPM-19)

Fox  (VL-EPM-19)Low-power DMP Vortex86DX2 based PC/104-Plus SBC

Low-power DMP Vortex86DX2 based PC/104-Plus SBC

Low power Vortex86DX2 processor with up to 1 GB soldered-on RAM, Fast Ethernet, Mini PCIe/mSATA socket, and fanless operation.


  • PC/104-Plus Expansion
    Supports PCI and ISA expansion on a highly rugged format.
  • DMP Vortex86DX2 Processor
    933 MHz performance with low power consumption.
  • Network Support
    Fast Ethernet with remote boot support
  • System RAM
    Up to 1 GB soldered-on RAM for harsh environments.
  • USB I/O
    Four USB 2.0 ports support keyboard, mouse, and other devices.
  • Device I/O
    Four serial ports. Eight 3.3V GPIO (with timer I/O support).
  • On-Board Expansion
    Supports Wi-Fi modems, GPS, MIL-STD-1553, Ethernet, flash data storage, and other mini PCIe modules.
  • MicroSD Socket
    Supports removable microSD card solid-state drives.
  • SATA
    Port supports bootable SATA hard drive.
  • SPI Interface
    Supports SPI and SPX devices, including low cost analog and digital modules.
  • Fanless Operation
    No moving parts required for CPU cooling.
  • Extended Temperature Version
    -40° to +85°C operation for harsh environments.
  • MIL-STD-202G
    Qualified for high shock/vibration environments.
  • Software Support
    Compatible with a variety of popular x86 operating systems including Linux and Windows.
    Linux support includes VersaAPI software for onboard I/O devices.

Software Expertise: Reference & Software Expertise

Embedded PC/104+ ModuleRoHS-compliant



The Fox is a low power embedded computer designed around the PC/104-Plus standard. It is powered by a DMP Vortex86DX2 processor that enables the entire board to typically use less than 6.65W of power. Several I/O interfaces, multiple expansion buses, and thermal management options provide system designers with flexibility and low overall system cost.

Fox was designed with no moving parts, soldered-on RAM, and tested to withstand extreme temperatures, high-impact, and vibration. This single board computer is an ideal choice for applications that require moderate performance, low-power draw, high quality, and long product life.

As with all VersaLogic products, the Fox is backed by a five-year warranty, 5+ year off-the-shelf availability guarantee, and expert US-based technical support. Product Life Extension options support availability through the year 2025.

VersaLogic products are designed for use by OEMs working in a variety of market applications: Aerospace, Defense, Energy, Industrial, Security, Medical, Military, Robotics, and Transportation. Anywhere that the need for superb quality and high-performance embedded computing exists, applications include: automation, avionics, gateway, in-vehicle, monitoring, simulation, and vision.

VersaLogic delivers extremely reliable standard and customized embedded computers backed with unsurpassed service and the highest availability in the market. VersaLogic exists to exceed customers' product, service, support and delivery needs - whenever and wherever the need arises.


General Board Size PC/104 standard: 108 mm x 96 mm (4.23" x 3.77")
Weight 120 grams (4.23 oz.)
Processor DMP Vortex86DX2 32-bit
Input Voltage 5V +/- 5%

Power Requirements §
Model Idle Typical* Max.
VL-EPM-19SAK 6.40W 6.73W 7.05W
VL-EPM-19SBK 7.05W 7.10W 7.15W
VL-EPM-19EAK 6.30W 6.65W 7.00W
VL-EPM-19EBK 6.50W 6.78W 7.05W
System Reset & Hardware Monitors Major voltage rails monitored. Watchdog timer with programmable timeout. CPU temperature monitoring. Push-button reset.
Stackable Busses PC/104-Plus expansion site. ISA and PCI expansion connectors.
Manufacturing Standards IPC-A-610 Class 2 modified
RoHS Compliant
Environmental Operating Temperature ¶ See Ordering Information (above) for Specific Models
Storage Temperature -40°C to +85°C.
Operating* To 4,570m (15,000 ft.)
Storage To 12,000m (40,000 ft.)
Airflow Requirements
Temp. Range Airflow Requirements
Standard 0° to +60°C 0.5 Linear Meters per Second
(100 Linear Feet per Minute)
Extended -40° to +85°C 0.5 Linear Meters per Second
(100 Linear Feet per Minute)
Thermal Shock 5°C/min. over operating temperature
Humidity Less than 95%, noncondensing
Vibration, Sinusoidal Sweep ¤ MIL-STD-202G, Method 204, Modified Condition A: 2g constant acceleration from 5 to 500 Hz, 20 min. per axis
Vibration, Random ¤ MIL-STD-202G, Method 214A, Condition A: 5.35g rms, 5 min. per axis
Mechanical Shock ¤ MIL-STD-202G, Method 213B, Condition G: 20g half-sine, 11 ms duration per axis
Memory System RAM Up to 1 GB DDR2 soldered-on memory.
Video General Integrated video controller.
VRAM Up to 64 MB shared DRAM frame buffer.
Desktop Display Interface Standard analog output (VGA). Up to 1920 x 1440 (60 Hz). 32-bit. 2 mm IDC connector.
OEM Flat Panel Interface # LVDS interface. 18/24-bit. Up to 1024 x 768 (60 Hz). 8 bpp. CMOS-selectable TFT panel types. Support for FPD power control.
Mass Storage Rotating Drives / Flash / Solid-State Drives One SATA 1.5 Gb/s port with latching connector
One Mini PCIe / mSATA socket (SATA signaling, bootable)
One microSD socket. Supports up to 32 GB. Bootable.
Network Interface Ethernet Two autodetect 10BaseT/100BaseTX ports with latching connectors.
Network Boot Option Via BIOS extension
Device I/O USB # ‡ Four USB 2.0 host ports.
COM 1 / 2 RS-232 16C550 compatible.
COM 3 / 4 RS-232/422/485 selectable. 16C550 compatible.
Audio Optional. Use VL-ADR-01 audio interface.
Counter / Timers Three 8254 16-bit timers
Digital I/O Eight TTL I/O lines (3.3V)
OTHER I/O Mini PCIe /mSATA Socket Full-size Mini PCIe / mSATA socket. Supports Wi-Fi modems, GPS receivers, solid state mSATA drives, and other plug-in modules.
SPI Interface Supports SPI and SPX devices. Supports up to two SPX modules.
Software BIOS AMI BIOS. Support for USB keyboard/mouse and USB boot.
VersaAPI VersaLogic Application Programming Interface to support on-board I/O devices (Linux only).
Sleep Mode None
Operating Systems Compatible with most x86 operating systems including Windows, Windows Embedded, and Linux. Refer to the detailed software compatibility section on the VersaLogic website for complete operating system information.
Constraints for Windows 7 and Windows Embedded 7 operating systems require a platform with a minimum of 1 GB RAM.
‡ TVS protected port (enhanced ESD protection)
# Power pins are overload protected
¶ Derate -1.1C per 305m (1,000 ft.) above 2,300m (7,500 ft.)
* For extended altitude information contact VersaLogic Sales Dept.
§ Represents operation at +25C and +12V running Windows 7 with on-board, VGA display, SATA, Ethernet, COM, and USB keyboard/mouse. Typical power computed as the mean value of Idle and Maximum power specifications. Maximum power measured with 95% CPU utilization.
¤ MIL-STD-202G shock and vibe levels were used to illustrate the overall ruggedness of this product. Certification at higher levels or different types of shock or vibration methods per the specific requirements of the application is available. Contact a VersaLogic Sales Engineer for further information.

Specifications are subject to change without notification. PC/104 and PC/104-Plus are trademarks of the PC/104 Consortium. All other trademarks are the property of their respective owners.

Software Support Packages

Linux Debian
  • QSP-LNX-VRTX - 2.0.1
    Quick Start Package (QSP) for VersaLogic SBCs based on the DMP Vortex platform which allows embedded developers to streamline hardware setup by eliminating the need for OS configuration and driver installation.

Linux Ubuntu
  • VersaAPI 1.4.2 for Linux (Ubuntu) 32-bit - 1.4.2
    VersaAPI Application Programming Interface (API) Device drivers and VersaAPI included. Provides simplified I/O interface for most application languages.
    Supported Products: Anaconda (EBX-18), Fox (EPM-19).
    32 bit Linux version of VersaAPI release 1.4.2; Fox and Anaconda do not support Ubuntu 14.04 so we release on Ubuntu 10.04.

Linux Knoppix
  • Knoppix Home Page -
    Link to the Knoppix website OS download page. Note that compatibility with the EPMe-30 Bengal has been verified by VersaLogic with Knoppix Linux 7.4.2.

Operating System Compatibility

Win 7 - Not Compatible
Win XP - Meets Specifications
Win Std 7 - Not Compatible
Win XPe - Meets Specifications
Debian - Tested & Compatible
Ubuntu - Tested & Compatible
Knoppix - Tested & Compatible
VxWorks - Meets Specifications
Neutrino - Meets Specifications
DOS - Tested & Compatible

OS Compatibility Notes

  • WIN XP - Does operate on this product. It requires an Ethernet drivers from Microchip: http://www.microchip.com/wwwproducts/Devices.aspx?product=LAN9513. Due to the Microsoft announcement regarding Win XP End-Of-Life, VersaLogic will not provide support for installation on the Fox products.
  • Tested on Ubuntu 10.04 32-bit with 2.6.39-2 kernel
  • Tested on Knoppix 7.2.0 kernel 3.9.6, 32-bit
    Tested on Knoppix 7.4.2 kernel 3.16.2, 32-bit


Part Number Description Photo
Cable Kit
VL-CKR-FOXEPM-19 Fox Eval. Cable Kit. Includes VL-CBR-4005, 1014 (x2), 1008, 1204, 1604, 0702, and HDW-105.
VL-CBR-4005System I/O paddleboard
VL-CBR-1014RS232 two channel cable 2xDsub (9-pin), latching, 12"
VL-CBR-1008ATX power adapter cable, 10-pin . 12"
VL-CBR-1204VGA interface cable, 12-pin PicoClasp to 15-pin VGA, 12"
VL-CBR-1604Dual Ethernet adapter cable, latching, 12"
VL-CBR-0702SATA cable, latching, 20"
VL-HDW-105Standoff package, 0.6", Metric thread
VL-CBR-0203Battery module, 2-pin latching, 6"
VL-CBR-0401Power cable, ATX to SATA, 6.25"
VL-CBR-0503USB 2.0 Male A to Male Micro-B cable, 0.5 m
VL-CBR-0901Pico-Clasp to two SPX cables, 9-pin. 9"
VL-CBR-2014LVDS to VGA adapter board
VL-CBR-2015LVDS / flat panel cable, 24-bit (Hirose), 20"
VL-CBR-2016LVDS / flat panel cable, 18-bit (JAE), 20"
VL-CBR-2017LVDS / flat panel cable, 24-bit 20-pin 1mm (Hirose) to 1.25mm (Hirose), 20"
Solid State Drives
VL-F41-8EBNSSD 8 GB SLC MicroSD card, industrial temperature
VL-F41-4EBNSSD 4 GB SLC MicroSD card, industrial temperature
VL-F41-2EBNSSD 2 GB SLC MicroSD card, industrial temperature
VL-ADR-01S USB to Audio Adapter -25 to +85C
VL-PS200-ATX 200W ATX-style development power supply (20+4+4-pin ATX connector)
VL-HDW-106Standoff package, 0.6", English thread
VL-HDW-108Mini PCIe card / mSATA 10x hold-down screws for use with 2.5 mm standoffs, Metric thread, Nylon
VL-HDW-111Half- to Full-Size MiniPCIe Adapter Kit. Metal adapter and 2x screws.
VL-HDW-203PC/104 extractor tool (metal)

Expansion Modules

Part Number Description Form Factor
VL-MPEe-E3E Gigabit Ethernet Adapter, industrial temperature (PCIe signaling)Mini PCIe
VL-MPEe-E4E Gigabit Ethernet Over Fiber Optic media (PCIe signaling)Mini PCIe
VL-MPEe-E5E Two Channel Gigabit Ethernet Adapter (PCIe signaling)Mini PCIe
VL-MPEe-FW1E 1394 Firewire Module, industrial temperature (PCIe signaling)Mini PCIe
Serial I/O
VL-MPEe-U2E RS-232/422/485 x4 + GPIO x12 Module, industrial temperature (PCIe signaling)Mini PCIe
Analog & Digital I/O
VL-MPEe-A1E Analog Input Module, x8 channels single ended (12-bit resolution), industrial temperature (PCIe signaling)Mini PCIe
VL-MPEe-A2E Analog Input Module, x8 channels single ended (16-bit resolution), industrial temperature (PCIe signaling)Mini PCIe
VL-SPX-1 Analog Input Module, x8 Channels, industrial temperatureSPX
VL-SPX-2 Digital I/O Module, x16 lines, industrial temperatureSPX
VL-SPX-4 Analog Output Module, x4 single channels 12-bit, industrial temperatureSPX
VL-SPX-5 Solid State Switch Module, x8 channels, industrial temperatureSPX
VCM-DAS-2 Analog Input, x16 (16-bit resolution) 200kHz + Digital I/O x16PC/104
VCM-DAS-3a Analog Output x16 (12-bit resolution) + Digital I/O x24, industrial temperaturePC/104
VL-MPEe-V5E VGA and LVDS Interface, industrial temperature (PCIe signaling)Mini PCIe
VL-EPM-V7E Video expansion module: VGA and LVDS, industrial temperaturePC/104-Plus
VL-MPEu-G2E GPS Receiver, industrial temperature (USB signaling)Mini PCIe
VL-MPEu-G3E Precision GPS Receiver, industrial temperature (USB signaling)Mini PCIe
Solid-State Storage (flash memory)
VL-MPEs-F1E32 32 GB mSATA drive, industrial temperature (SATA signaling)MSATA
VL-MPEs-F1E16 16 GB mSATA drive, industrial temperature (SATA signaling)MSATA
VL-MPEs-F1E4 4 GB mSATA drive, industrial temperature (SATA signaling)MSATA
VL-MPEs-S3E SATA Adapter, industrial temperature (SATA signaling)MSATA
VL-EPM-P2E PC/104-Plus Mini PCIe socket x2 adapter, industrial temperaturePC/104-Plus
In-Stack Power Supply
VL-EPM-PS1a Power supply in-stack, industrial temperaturePC/104-Plus

Ordering Information

Model Nominal Speed Memory Size Operating Temp. Cooling Digi-Key logo
VL-EPM-19SAK 933 MHz 512 MB 0 to +60C Heat Sink
VL-EPM-19SBK 933 MHz 1 GB 0 to +60C Heat Sink
VL-EPM-19EAK 800 MHz 512 MB -40 to +85C Heat Sink
VL-EPM-19EBK 800 MHz 1 GB -40 to +85C Heat Sink

Export Information

Description Value
SCHEDULE B:8471.60.7000