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PC/104-plus SBC with Intel Core 2 Duo processor

Data Sheet

Very high-performance 2.26 GHz (commercial temp.)
Intel Core 2 Duo processor
with up to 4 GB RAM, dual gigabit Ethernet, MiniBlade flash socket,
eUSB flash interface and SPX expansion
Extended temperature version available

  • PC/104-Plus Form Factor
    Industry standard expandable, compact, highly rugged format.
  • Intel® Core™2 Duo Processor
    Up to 2.26 GHz performance.
  • High-performance Video
    3D video acceleration (Gen 5.0). Analog and LVDS flat panel outputs.
  • Network Support
    Dual gigabit Ethernet with remote boot support.
  • System RAM
    Up to 4 GB DDR3 RAM for system flexibility.
  • USB I/O
    Six USB 2.0 ports support keyboard, mouse, and other devices.
  • Device I/O
    Five serial ports, dual SATA interface, and HD audio.
  • Flash Memory
    MiniBlade™ socket and eUSB interface for high-reliability flash storage.
  • Extended Temperature Version
    -40° to +85°C operation for harsh environments.
  • MIL-STD-202G
    Qualified for high shock/vibration environments.
  • SPX™ Expansion
    Supports expansion with versatile SPX add-on I/O modules.
  • OS Compatibility:
    Windows 7/XP, Windows Embedded Standard 7/XPe/CE, Linux, VxWorks, QNX, DOS


The Leopard is an embedded computer featuring an Intel 2nd generation Core 2 Duo processor. Based on the PC/104-Plus industry standard form factor, the Leopard supports PCI and ISA stackable expansion buses on a 4.21” by 3.78” footprint. With its combination of ultra-high performance (up to 2.26 GHz), mid-range power consumption (21.3W typ.), ruggedness, and compact size, the Leopard is an ideal embedded computer solution for medical, security, defense, transportation, and industrial markets. Potential applications include flight navigation, guidance systems, and evolving applications that rely on fast on-board processing of large amounts of data.

Like all VersaLogic products, the Leopard is designed to support OEM applications where high reliability and long-term availability are required. From application design-in support, to its 5+ year production life guarantee, the Leopard supports serious embedded applications. The Leopard is fully RoHS compliant and available in versions built to IPC-A-610 Class 2 or Class 3. Customization is available, even in low OEM quantities.

Driven by a 2nd generation Intel Core 2 Duo processor designed specifically for embedded applications, the Leopard runs up to 2.26 GHz. Enhanced Intel SpeedStep® technology provides dynamic processor frequency scaling to meet instantaneous performance needs while minimizing power draw and heat dissipation. This allows users to fine-tune the balance of power conservation and performance to suit their application needs.

Intel’s GS45 + ICH9M chipset offers graphics core speeds up to 533 MHz for high-end graphics, advanced 3D rendering, high-definition video playback, and media acceleration for video CODECs. Analog VGA and LVDS flat panel video interfaces support flexible display configurations including Extended Desktop, Clone, and Twin display modes.

Leopard’s standard on-board features include dual gigabit Ethernet, an SO-DIMM socket for up to 4 GB DDR3 RAM, six USB 2.0 ports, five serial ports, dual SATA interface, LPT interface, HD audio, and a MiniBlade socket and eUSB interface for removable flash storage. VersaLogic’s SPX expansion interface creates additional access to cost-effective plug-in I/O solutions.

Available in both standard (0° to +60°C) and extended (-40° to +85°C) temperature versions; the Leopard meets MIL-STD-202G specifications for shock and vibration. The Leopard features transient voltage suppression (TVS) devices on many external connections for enhanced electrostatic discharge (ESD) protection in the field.

The Leopard includes an embedded BIOS with OEM enhancements from Phoenix Technologies. The field-reprogrammable BIOS supports custom defaults and the addition of firmbase applications for security processes, remote booting, and other pre-OS software functions. The Leopard is compatible with a variety of popular operating systems including Windows, Windows Embedded, Linux, VxWorks, and QNX.

Ordering Information
Model Processor Speed Power Operating Temp. Cooling
VL-EPMp-35S Intel Core 2 Duo 2.26 GHz 21.3W (typ.) 0° to +60°C Fan
VL-EPMp-35E Intel Core 2 Duo 1.2 GHz 15.5W (typ.) -40° to +85°C Fan


Part No. Description
Leopard Cable Kit (VL-CKR-LEOP)
VL-CBR-0401 6.25” ATX to SATA power adapter cable
VL-CBR-0701 19.75” SATA cable
VL-CBR-0803 12" 8-pin latching / (2) 3.5 mm stereo line in/out cable
VL-CBR-1008 ATX to 10-pin power cable
VL-CBR-1201 12-pin 2 mm latching / 15-pin VGA adapter cable
VL-CBR-3406 I/O cable set and paddleboard
VL-CBR-8006 Primary I/O breakout cable
VL-HDW-105 0.6" standoff package (metric thread)


VL-CBR-1012 12" 2 mm 10-pin / (2) 5-pin D-sub cable
VL-CBR-1401 Cable assembly for (2) SPX modules
VL-CBR-1402 Cable assembly for (4) SPX modules
VL-CBR-2010 20” 18-bit LVDS flat panel cable (Hirose)
VL-CBR-2011 20” 18-bit LVDS flat panel cable (JAE)
VL-CBR-2012 20” 24-bit LVDS flat panel cable (Hirose)
VL-CBR-2014 LVDS to VGA adapter board
VL-CFA-2A CompactFlash adapter (SATA)
VL-ENCL-5x Development enclosure
VL-F15-xxxx eUSB module (USB)
VL-F23-xxxx MiniBlade module (USB)
VL-HDS35-320 320 GB 3.5” SATA hard drive
VL-HDW-106 0.6" standoff package (English thread)
VL-MM7-xxxx DDR3 SDRAM module
VL-SPX-x SPX expansion modules

General Board Size PC/104-Plus compliant (dual-board set): 107 mm x 96 mm (4.21" x 3.78")
Processor Intel Core 2 Duo (SP9300). Up to 1066 MHz FSB. 6 MB L2 cache. Temperature protected.
Chipset GS45 + ICH9M
+5V running Windows XP with 1 GB RAM, dual Ethernet, keyboard, and mouse:
Model Idle Typical Max
VL-EPMp-35S 2.8A (14W) 4.3A (21.3W) 5.7A (28.5W)
VL-EPMp-35E 2.3A (11.5W) 3.1A (15.5W) 3.9A (19.5W)
System Reset &
Hardware Monitors
Watchdog timeout. VCC sensing (resets below 4.7V typ.).
Stackable Bus PCI: 3.3V signaling, +5V tolerant
Expansion VersaLogic SPX interface
Standard: IPC-A-610 Class 2 compliant
Optional: IPC-A-610 Class 3 compliant
RoHS: RoHS (2002/95/CE) compliant
Environmental Operating
Storage Temperatures
Operating Temperature:
VL-EPM-35S = 0° to +60°C
VL-EPM-35S = -40° to +85°C

Storage Temperature:
 -40° to +85°C
Airflow Requirements Free air from -40° to +85°C
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 4 GB DDR3 SDRAM.
Video General Integrated high-performance video. Intel GMA 4500 MHD graphics core. Analog and flat panel video interfaces support Extended Desktop, Clone, and Twin display modes. Optional video adapter card converts LVDS output to VGA for dual VGA operation.
VRAM Up to 512 MB shared DRAM
Desktop Display Interface* Standard analog output (VGA)
OEM Flat Panel Interface 18/24-bit LVDS interface. CMOS-selectable TFT panel types.
Mass Storage Hard Drive Dual SATA interface (Revision 2.0)
Flash One MiniBlade socket (USB signaling).
One eUSB interface (USB signaling).
Network Interface Ethernet* Dual autodetect 10BaseT/100BaseTX/1000BaseT port
Network Boot Option Intel boot agent (included): supports PXE protocol. Argon Managed Boot Agent (optional with royalty fee): supports PXE, RPL, NetWare, TCP/IP (DHCP, BOOTP) remote boot protocols.
Device I/O USB*‡ Six USB 2.0/1.1 ports
Serial* One RS-232. 16C550 compatible. 115 Kbps.
Four RS-232/422/485 selectable. 16C550 compatible. 460 Kbps.
Others LPT Interface: SPP/EPP/ECP compatible
Audio: Digital HD audio in/out
PS/2 keyboard and mouse
Software BIOS Phoenix Technologies Embedded BIOS with OEM enhancements. Field reprogrammable. Support for USB keyboard/mouse and USB boot. User-configurable CMOS defaults.
Operating Systems Compatible with most x86 operating systems, including Windows, Windows Embedded, Linux, VxWorks, and QNX

*TVS protected port (enhanced ESD protection)
‡Power pins on this port are overload protected
Data represents standard operation at 25°C with 5V supply unless otherwise noted. Specifications are subject to change without notification. Intel and Core are trademarks of Intel Corp. MiniBlade is a trademark of the SFF-SIG. SPX is a trademark of VersaLogic Corp.