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SandCat (VL-EPM-39)

SandCat  (VL-EPM-39)Atom

Atom "Bay Trail" based SBC with PC/104-Plus expansion

A Low power dual-core “Bay Trail” processor combined with the familiar PC/104-Plus interface (ISA and PCI expansion).


The SandCat is a newly released product. Please contact VersaLogic's sales department for availability details on this product.


  • Intel Bay Trail Processor
    1.33 GHz clock rate dual-core processor. Low power consumption.
  • High-performance Video
    Integrated Intel Gen 7 graphics core supports DirectX 11, OpenGL 4, and H.264, MPEG-2 encoding/decoding. Mini DisplayPort video output.
  • RAM
    Up to 8 GB DDR3L socketed memory (one SO-DIMM).
  • Network
    Ethernet interface, autodetect 10BaseT / 100BaseTX / 1000BaseT with remote boot support.
  • Industrial I/O
    Dual RS-232/422/485 serial ports; four USB 2.0 ports support keyboard, mouse, and other devices. three 8254 timer/counters, I2C, and audio support.
  • Digital I/O
    Eight 3.3V digital I/O lines.
  • SATA
    3 Gb/s SATA port. Supports rotating or solid-state SATA drive.
  • Mini PCIe socket
    Supports Wi-Fi modems, GPS receivers, flash data storage with auto-detect mSATA flash storage support, and other mini PCIe modules.
  • Main Power Input
    5V Input ±5%.
  • PC/104 Expansion
    Legacy PCI connector, stack-down.
  • PC/104 Expansion
    Legacy ISA connector, stack-down.
  • Industrial Temperature
    -40° to +85°C operation for harsh environments.
  • PC/104 Form Factor
    Industry-standard PC/104-Plus expansion.
  • MIL-STD-202G
    Qualified for high shock and vibration operation.

Software Expertise: Reference & Software Expertise

Embedded PC/104+ ModuleRoHS-compliant



The SandCat is a low-power dual-core single board computer (SBC) with an industry-standard PC/104-Plus expansion interface. This combination makes it easy to upgrade existing PC/104 systems to Intel's long-life Bay Trail processor, while preserving plug-in expansion to existing specialty I/O boards. The board also contains on-board I/O interfaces, including USB, a mini PCIe expansion socket, and digital I/O ports.

The SandCat is driven by a low power E3825 dual-core Bay Trail processor with a clock rate of 1.33 GHz. Based on the industry-standard PC/104™ format (4.2 x 3.8 inches), the SandCat includes legacy ISA and PCI connectors to interface directly with PC/104-Plus expansion boards.

Like other VersaLogic products, the SandCat is designed and validated for operation in unforgiving environments and designed for long term availability (10+ year typical product lifecycle).

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 Compliant: 108 x 96 mm (4.23 x 3.77").
42 mm (1.66") tall with stock heat sink.
Weight 108 grams (3.79 oz.)
Processor Intel Bay Trail Atom  E3825 (dual core). 512K L2 cache per core. Supports Intel 64-bit instructions, AES Instructions, Execute Disable Bit, and Virtualization Technology.
Battery Connector for external 3.0V RTC backup battery.
Power Requirements
Model Idle Typical Max.
VL-EPM-39EBK 4.6W 5.3W 6.0W
Input Voltage 5V ± 5%
System Reset & Hardware Monitors Major voltage rails monitored. Watchdog timer with programmable timeout. CPU temperature monitoring. Push-button reset and power.
Stackable Busses PC/104-Plus format. Legacy ISA and PCI connectors.
Regulatory Compliance RoHS (2011/65/EU), Conflict Minerals compliant.
Environmental Cooling Options Heat sink.
Operating Temperature ◊
Model Heat Sink
VL-EPM-39EBK -40° to +85°C
Range shown assumes 90% CPU utilization. For detailed thermal information, refer to the VL-EPM-39 Reference Manual.
Airflow Requirements Refer to the VL-EPM-39 Reference Manual for detailed airflow requirements.
Storage Temperature -40°C to +85°C.
Operating* To 4,570m (15,000 ft.)
Storage To 12,000m (40,000 ft.)
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 minutes per axis
Vibration, Random ¤ MIL-STD-202G, Method 214A, Condition A: 5.35g rms, 5 minutes per axis
Mechanical Shock ¤ MIL-STD-202G, Method 213B, Condition G: 20g half-sine, 11 ms duration per axis
Memory System RAM One SO-DIMM socket. Up to 8 GB DDR3L (1.35V) SDRAM.
Memory Speed 1067 MHz
Video General Integrated high-performance video. Intel Gen-7 graphics core with four Execution Units and Turbo Boost. Supports DirectX 11, OpenGL 4.0, VP8, MPEG2, H.264, VC1, Flash and WMP support.
Hardware Based Format
Decode H.264, MPEG2, MVC, VC-1, WMV9, VP8, MJPEG
Encode &H.264, MPEG2
Mini DisplayPort video interface. Optional adapter card converts DisplayPort output to LVDS for flat panel operation.
VRAM Up to 224 MB shared DRAM
DisplayPort Interface § Support DisplayPort Standard Version 1.1
Mini DisplayPort++ output supports DisplayPort and HDMI signaling (Video and Audio outputs). 24-bit. Up to 2560 x 1600.
Mass Storage Rotating Drives / Flash / Solid-State Drives ¥ Single SATA (Revision 2.0) port. Latching connector.
  mSATA modules (SATA signaling, bootable).
Network Interface Ethernet ‡ One autodetect 10BaseT/100BaseTX/1000BaseT port. On-board status LEDs and external LED header. IEEE 1588 Precision Time Protocol (PTP) slave compatible. Latching headers.
Network Boot Option Via on-board BIOS extension
Device I/O USB ‡ § Four USB 2.0 host ports.
COM 1 / 2 Interface ‡ RS-232/422/485 selectable. 16C550 compatible. 460 Kbps.
Digital I/O Eight TTL I/O lines (3.3V). Independently configurable.
I2C Single I2C interface (3.3V)
Audio Via DisplayPort++ interface or optional VL-ADR-01 audio interface.
OTHER I/O Mini PCIe Socket Full-length Mini PCIe socket. Supports Wi-Fi modems, GPS receivers, non-volatile flash data storage with auto-detect mSATA support, and other plug-in modules.
Software BIOS Phoenix Technologies UEFI BIOS. Field reprogrammable. Support for USB keyboard/mouse and USB boot.
VersaAPI VersaLogic Application Programming Interface to support on-board I/O devices.
Sleep Mode ACPI 3.0. Support for S3 and S4 suspend states and C1 processor state.
Operating Systems Compatible with most x86 operating systems including Windows, Windows Embedded, Linux, VxWorks, and QNX.
† Represents operation at +25°C with +5V supply running Windows 10. Typical power computed as the mean value of Idle and Maximum power specifications. Maximum power is measured with 95% CPU utilization.
◊ Derate -1.1°C per 305m (1,000 ft.) above 2,300m (7,500 ft.)
* For extended altitude information contact VersaLogic Sales
‡ TVS protected port (enhanced ESD protection)
§ Power pins on this port are overload protected
¥ Bootable storage device capability
¤ MIL-STD-202G shock and vibration levels are used to illustrate the extreme ruggedness of this product in general. Testing at higher levels and/or different types of shock or vibration methods can be accommodated per the specific requirements of the application. Contact VersaLogic Sales for further information.

Specifications are subject to change without notification. Intel and Atom are trademarks of Intel Corp. PC/104 and PC/104-Plus are trademarks of the PC/104 Consortium. PCI Express is a registered trademark of PCI-SIG. SATA and mSATA are trademarks of the Serial ATA International Organization. SPX is a trademark of VersaLogic Corp. All other trademarks are the property of their respective owners.

Software Support Packages

Windows Win 10
  • VersaAPI 1.4.7 Windows 10 64-bit (SBCs) - 1.4.7
    VersaAPI Application Programming Interface (API) Device drivers and VersaAPI included. Provides simplified I/O interface for most application languages.
    Supported Products: Viper (VL-EBX-38), Baycat (VL-EPM-31), Bengal (VL-EPMe-30), Sandcat (VL-EPM-39), Lion (VL-EPMe-42), Liger (VL-EPM-43)
  • DRV-WIN10-BAYTRAIL - 1.0.0
    Driver Package (DRV) for VersaLogic boards based on the Baytrail platform including Viper (VL-EBX-38), BayCat (VL-EPM-31), SandCat (VL-EPM-39), Bengal (VL-EPMe-30), Osprey (VL-EPU-3311), and Raven (VL-EPU-3312). This package contains drivers for chipset, network, and IO.

Windows Win 7
  • DRV-WIN7-BAYTRAIL - 2.0.0
    Driver Package (DRV) for VersaLogic boards based on the Baytrail platform including Bengal (VL-EPMe-30), Baycat (VL-EPM-31), Hawk (VL-EPU-3310), Osprey (VL-EPU-3311), and Raven (VL-EPU-3312). This package contains drivers for chipset, network, IO, and video.

Windows Embedded Win Std 7
  • BSP-WES7-BTRL - 1.0.0
    Board Support Package (BSP) for VersaLogic SBCs based on theBayTrail platform. This package contains TAP files, an ICE project file, utilities, and drivers not natively supported by the WES7 Distribution Share (DS).

Linux Ubuntu
  • Ubuntu Home Page -
    Link to the Ubuntu website OS download page. Note that the EPMe-30 Bengal has been tested by VersaLogic with Ubuntu Linux 14.04 LTS 32-bit and 64-bit operating systems.

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 10 - Tested & Compatible
Win 8 - Meets Specifications
Win 7 - Tested & Compatible
Win Std 7 - Tested & Compatible
Debian - Meets Specifications
Ubuntu - Tested & Compatible
Knoppix - Tested & Compatible
VxWorks - Meets Specifications
Neutrino - Meets Specifications
DOS - Tested & Compatible

OS Compatibility Notes

  • Tested on Windows 10 (32-bit/Enterprise)
    Tested on Windows 10 (64-bit/Enterprise)
  • Tested on Windows 7 (32-bit/SP1/Ultimate Edition)
    Tested on Windows 7 (64-bit/SP1/Ultimate Edition)
  • Tested on Ubuntu Linux 14.04.03 LTS 32-bit
    Tested on Ubuntu Linux 14.04.03 LTS 64-bit
  • 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-SANDCATEPM-39 SandCat Eval. Cable kit. Includes VL-CBR-4005, 1008, 1605, 0702, 1014, 2032, and VL-HDW-105
VL-CBR-4005System I/O paddleboard
VL-CBR-1008ATX power adapter cable, 10-pin . 12"
VL-CBR-1605Single Ethernet adapter cable, 12”
VL-CBR-0702SATA cable, latching, 20"
VL-CBR-1014RS232 two channel cable 2xDsub (9-pin), latching, 12"
VL-HDW-105Standoff package, 0.6", Metric thread
VL-CBR-2032miniDisplayPort to VGA adapter, 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-0701SATA cable, 19.75"
VL-CBR-2031miniDisplayPort to miniDisplayPort, 36"
VL-CBR-2033miniDisplayPort to HDMI active adapter, requires DP port, 6"
VL-MM9-xxxxDDR3 PC3-12800 SO-DIMM memory module (1.35v)
VL-ADR-01S USB to Audio Adapter -25° to +85°C
VL-PS200-ATX 200W ATX-style development power supply (20+4+4-pin ATX connector)
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)
VL-HDW-105Standoff package, 0.6", Metric thread
VL-EPH-V6 Display Port to Dual Channel LVDS converter

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-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-F1Exx mSATA Module (4/16/32 GB) (SATA), industrial temperature (SATA signaling)MSATA
VL-EPMp-P2E PCI-104 Mini PCIe socket x2 Adapter, industrial temperaturePCI-104
VL-MPEs-S3E SATA Adapter, industrial temperature (SATA signaling)MSATA
VL-MPEe-V5E VGA and LVDS Interface, industrial temperature (PCIe signaling)Mini PCIe

Ordering Information

Model Processor Cores Speed DDR MAX
Operating Temp. Cooling Digi-Key logo
VL-EPM-39EBK Atom E3825 Dual 1.33 GHz 1067 MHz -40° to +85°C Heat Sink

Export Information

Description Value
SCHEDULE B:8471.607.000