RTD logo RTD Embedded Technologies, Inc.
An AS9100 and ISO 9001 Certified Company

PCIe/104 Single Board Computer & Controller
Intel® Celeron® M (ULV 722) 1.20 GHz

CMX32MCS Single Board Computer
CMX32MCS Single Board Computer (side-view with heatsink installed)

Flat heat spreader option shown above. Product modifications available upon request.

Key Features

  • PC/104 form factor
  • PCIe/104 stackable bus structure
    • PCIe Type 2 expansion bus (stacking up)
    • PCIe Type 1 expansion bus (stacking down)
  • Complete PC-compatible Single Board Computer
  • Available in stackable, rugged enclosures
  • Intel Celeron M (ULV 722) Processor on 45nm
    • Clock Speed: 1.20 GHz
    • Max. Core Temperature: 105°C
  • 2GB DDR2 Memory (Surface-Mounted)
  • Onboard Industrial SATA Flash Drive up to 32GB (4GB Standard)
  • Eight x1 PCIe Links
  • One x16 PCIe Link (configurable as one x8 or one x4)
  • Two SATA Ports
  • Four Serial Ports (RS-232/422/485)
  • Six USB 2.0 Ports
  • Dual Gigabit Ethernet
  • Analog VGA & LVDS Panel
  • Advanced Digital I/O (aDIO)
  • Advanced Analog I/O (aAIO) available upon request
  • -40 to +85°C standard operating temperature
  • Heat Sink Options
    • Thermal-optimized mini-fan heat sink included (standard)
    • Modified heat sinks and flat heat spreaders are available
    • The optional heat spreader shown on this page is designed for mounting to a cold plate


The CMX32MCS is a powerful PC/104 single board computer with a PCIe/104 stackable bus structure. As a part of RTD's advanced PCI Express offering, this Intel Celeron M (ULV 722) based CPU is exceptionally suited for applications requiring performance-rich technologies. With stackable PCI and PCI Express bus connectivity, users have many options for add-in peripheral cards. An optional 32GB flash drive makes this CPU Windows 7 ready.

Technical Details

  • Stackable Expansion Buses
    • PCIe Type 2 (stacking up)
      • Four PCI Express x1 Links
      • Two SATA Ports
      • Two USB 2.0 Ports
      • SMBus
      • ATX Power Supply Signaling
    • PCIe Type 1 (stacking down)
      • Four PCI Express x1 Links
      • One PCI Express x16 Link
        • Configurable as one x8 or one x4
      • Two USB 2.0 Ports
      • SMBus
      • ATX Power Supply Signaling
  • Processor
    • Intel Celeron 722 (Single Core 1.20 GHz)
    • Processor Options Include:
      • Execute Disable (XD/NX) Security
      • 45nm Process
  • Memory
    • 2GB DDR2
    • 800MHz SDRAM
    • Dual Channel Interface for Increased Bandwidth
    • Surface Mounted For Maximum Reliability
  • Video
    • Intel Graphics Media Accelerator 4500MHD
    • Gen 5.0 graphics engine with 10 cores
    • Dynamic Video Memory (32MB – 256MB)
    • DirectX 10 Support
    • Supports Windows Aero Glass Effects
    • Analog VGA and LVDS Panel Interfaces
  • Serial ATA (SATA)
    • Up to 32GB Onboard Industrial SATA Flash Drive (4GB Standard)
    • Three additional SATA ports (two on the top bus connector, one on the bottom)
      • Use with drive carriers or cable kit
    • SATA revision 2.0, up to 3.0Gbit/sec interface speed
    • Supports IDE mode for legacy compatibility or AHCI mode for improved performance
    • Supports Intel Matrix Storage RAID
      • RAID0 – Multiple Drives Striped for Performance
      • RAID1 – 2 Drives Mirrored for Redundancy
      • Intel RAID drivers or OS support required
    • Drive Hot Plug supported in AHCI/RAID with appropriate drive carrier (IDAN-RSATA-SYS104)
  • Dual Gigabit Ethernet
    • Intel 82567LM PHY + ICH9M Controller (PRO1000 Series)
    • Intel 82574IT Controller
    • 10/100/1000 Auto-negotiation
    • Jumbo Frame Support
    • PXE Network Boot
  • USB 2.0
    • Two ports onboard
    • Four additional ports available via PCIe/104
    • Over-current protection (500mA @ 5Vdc)
    • USB Boot capability
  • Serial Ports
    • Four RS-232/422/485 serial ports on two connectors, each connector configurable as:
      • One full RS-232 port with TxD, RxD, CTS, RTS, DSR, DTR, RI, and CD
      • One RS-422/485 port with TxD+, TxD-, RxD+, RxD-
      • Two RS-232 ports:
        • One with TxD, RxD, CTS, and RTS
        • One with TxD and RxD
      • One RS-232 port with TxD and RxD, and one RS-422/485 port with TxD+, TxD-, RxD+, RxD-
      • Two RS-422/485 ports each with TxD+, TxD-, RxD+, RxD-
    • 120 ohm termination for RS-422/485 Mode
    • Serial Ports Modes are BIOS-configured, no jumper settings required.
    • Standard PC 16C550 UART Interface
  • Advanced Digital I/O (aDIO)
    • One 8-bit-programmable I/O with Advanced Digital Interrupt Modes
      • Event Mode Interrupt generates an interrupt when any input bit changes
      • Match Mode Interrupt generates an interrupt when input bits match a preset value
      • External Strobe Mode latches 8 data inputs and generates and interrupt
    • One 4-bit port programmable as input or output
    • Two Strobes can be configured as readable inputs.
  • Thermal Management
    • Thermal Throttling reduces clock speed to prevent thermal runaway
    • Auto Fan Control only runs fan when needed
    • Hardware monitor for temperature and voltage
    • Mini Fan Heatsink with Auto Fan control
    • Passive Structural Heatsink & Heatpipes in IDAN and HiDAN System Configurations
  • Power Management
    • Enhanced Intel SpeedStep – Dynamically throttle CPU frequency/voltage based on processor load.
    • ACPI 3.0 Support – Advanced Configuration and Power Interface
    • ATX Support for “Soft Off”
  • Additional Hardware Features
    • XK-CM77 Cable Kit Included
    • Watchdog Timer
    • PS/2 Keyboard and Mouse
    • Real Time Clock (external battery required)
    • PC Speaker
    • ATX Power Button Input
    • Reset Button Input


  • RTD Enhanced BIOS
    • Supports boot from SATA, USB, or Ethernet (PXE)
    • Serial Console Redirection
    • EEPROM-based CMOS Setup – No battery required to store settings
    • Fail Safe Boot – Load DOS even if no boot device is present
    • Special RTD Reliability Enhancements
  • Compatible with all x86 PC operating systems:
    • Windows (7, XP, Embedded Standard, XP Embedded)
    • Linux (desktop and real-time versions)
    • RTOSes such as QNX, VxWorks, Windows CE, and xPC Target
    • Note: Some hardware interfaces may require special drivers
  • Includes pre-installed Datalight ROM-DOS
  • Drivers and support provided for DOS, Windows, and Linux

Physical Attributes

  • Dimensions
    • Board Size
      • Length (L): 3.775 inches (95.89 mm)
      • Width (W): 3.550 inches (90.17 mm)
    • I/O Extension
      • Length (EL): 3.125 inches (79.380 mm)
      • Width (EW): 0.500 inches (12.700 mm)
    • Stand-off Height
      • Above the CPU: 0.866 inches (22.00 mm)
      • Below the CPU: 0.600 inches (15.24 mm)
  • Weight: Approximately 0.44 lbs. (0.20 Kg) with heatsink
  • Standard Operating Temperature, 90% humidity non-condensing: 1.20 GHz: -40 to +85°C
  • Storage Temperature: -25 to +85°C
  • Power Consumption: 13 W @ 5 V Typical

Recommended Accessories

Documentation and Downloads

Ordering Information

Part Number Description Value
CMX32MCS1200NAHR‑2048   1.20 GHz PCI/104-Express cpuModule with 2GB DDR2 SDRAM & 4GB Removable Flash Drive


—  Sequentially laminated PCB fabricated in accordance with IPC-6012 Class 3 Standards  —
OEM price includes 2GB soldered SDRAM and 4GB removable flash drive (larger flash drive sizes available)

RTD Embedded Technologies, Inc.
Designed and Made in the USA
sales@rtd.com   |   +1-814-234-8087