The Kontron CP303 is a 3U CompactPCI CPU board built around Intel’s Mobile Pentium III-M processor for deployment in industrial control, embedded computing, and mission-critical systems requiring extended temperature operation. This board combines low-voltage processing with integrated graphics, dual fast Ethernet, and configurable I/O to support both compact 4HP and expanded 8HP installations in harsh thermal and mechanical environments.
## Technical Specifications
**Processor & Memory**
• Intel Mobile Pentium III-M (microBGA) up to 800 MHz
• 512 kByte L2 cache
• 0.13 µm silicon process, 1.15 V core voltage
• Up to 512 MByte SDRAM total (256 MByte soldered + one SODIMM socket)
• 133 MHz DRAM speed, no ECC
• 1 MB Firmware Hub, 256 Byte EEPROM (CMOS), 256 Byte EEPROM (user)
**Chipset & Graphics**
• Intel 815GMCH and 82801 ICH2
• 815E integrated graphics accelerator with dynamic memory video technology
• Internal or external AGPx4-VGA support
**I/O Interfaces**
• Two fast Ethernet channels with RJ-45 connectors; integrated ACT and SPEED LEDs
• Two RS-232/422/485 serial ports (COM1/2, 9-pin D-Sub, jumper selectable)
• Two 4-pin USB connectors
• 15-pin SVGA VGA-CRT output
• PS/2 keyboard/mouse (8HP extension)
• Optional CompactFlash Type II socket and 2.5″ HDD mounting with ATA 100 IDE
**CompactPCI Interface**
• 4HP or 8HP I/O configurations
• 5 V VI/O standard (3.3 V available on request)
• 7 Req/Gnt and clock lines
• 64-bit/33 MHz system master
• PICMG 2.0 rear I/O support
**Environmental & Supervisory**
• Operating range: -40 °C to +85 °C
• Directly soldered processor and memory for shock and vibration resistance
• Watchdog timer: 125 msec to 256 sec (software configurable), IRQ/NMI/reset selectable
• Hardware monitor (LM81) for thermal management, fan control, and voltage monitoring
## Key Features
• Low-power Mobile Pentium III-M eliminates external cooling complexity
• Dual fast Ethernet for redundancy and load balancing
• Integrated graphics eliminates separate video controller requirements
• Soldered memory and processor provide mechanical durability in vibration-prone installations
• Configurable watchdog and thermal monitoring enable autonomous system protection
• Flash and HDD options support OS and application storage
## Typical Applications
• Industrial automation and process control
• Telecommunications and network edge computing
• Military and aerospace embedded systems
• Transportation and logistics vehicle computers
• Field-deployable data acquisition platforms
## Compatibility & Integration
The CP303 operates as a CompactPCI system master within standard backplanes. Rear I/O configurations via J2 connector support PICMG 2.0 deployments. Serial, USB, and Ethernet interfaces enable integration with legacy and contemporary peripherals. The board accepts standard SDRAM SODIMM modules for field capacity upgrades.
