GE VMIVME-7740-840 (350-07740-840-M) VMEbus Single Board Computer

Description

Technical Specifications

Core Processing & Memory

• Processor: IBM PowerPC 750FX (G3 core) @ 800 MHz
• Cache: 512 KB on-die L2 cache
• System Memory: 256 MB on-board DDR SDRAM (ECC optional)
• Non-Volatile Storage:
  • 4 MB Boot Flash for firmware and OS boot
  • 64 MB User Flash for application data and configuration
• Memory Bus: 64-bit wide memory interface for high-bandwidth access

VMEbus Interface

• Bus Standard: VME64x (compliant with IEEE 1014/ANSI/VITA 1.1)
• Data Bus: 32/64-bit data transfers
• Transfer Rate: Up to 64 MB/s
• Addressing: Supports A24/A32 address spaces
• Bus Master/Slave: Full VMEbus master and slave capabilities
• Bridge: On-board PCI-to-VMEbus bridge with Endian conversion hardware

Expansion & I/O Interfaces

• PMC Slot: 1x PMC (PCI Mezzanine Card) slot (32-bit PCI, 33/66 MHz) for I/O expansion
• Serial Ports: 2x RS-232/422/485 configurable serial ports
• Ethernet: 1x 10/100 Mbps Ethernet port (RJ-45)
• USB: 2x USB 1.1 host ports
• IDE Interface: Integrated IDE controller for mass storage devices
• Watchdog Timer: Hardware watchdog for system reliability
• Real-Time Clock (RTC): On-board battery-backed RTC

Physical & Electrical

• Form Factor: Single-slot 6U VMEbus Eurocard (233.35 mm × 160 mm × 4HP)
• Connectors: VMEbus P1/P2 backplane connectors; front-panel I/O ports
• Power Input: +5 VDC, ±12 VDC from VMEbus backplane
• Power Consumption: Max 18 W (typical)
• Weight: Approx. 0.8 kg
• Compliance: CE, FCC, RoHS

Environmental Ratings

• Operating Temperature: 0°C to +65°C (industrial grade)
• Storage Temperature: -40°C to +85°C
• Relative Humidity: 5%–95% RH (non-condensing)
• Vibration: 5 g RMS (10–2000 Hz)
• Shock: 30 g (11 ms half-sine)

Software & Compatibility

• Operating Systems: VxWorks®, Linux®, Windows® NT/2000/XP, QNX®
• Drivers: Comprehensive board support packages (BSPs) for all supported OS
• Programming: C/C++ development with standard embedded toolchains
• Diagnostics: Built-in self-test (BIST) and hardware monitoring utilities

Key Features

• High-Performance PowerPC Core: 800 MHz PowerPC 750FX with 512 KB L2 cache for fast computation
• High-Speed Memory: 256 MB DDR SDRAM with optional ECC for data integrity
• Flexible Expansion: PMC slot enables custom I/O and communication module integration
• Rich On-Board I/O: Ethernet, USB, serial, and IDE interfaces for direct connectivity
• VME64x Compatibility: Full support for 32/64-bit VMEbus operations and high transfer rates
• Rugged Industrial Design: Operates reliably in harsh temperature, vibration, and shock environments
• Non-Volatile Storage: 68 MB total flash for boot firmware and persistent application data
• Real-Time OS Support: Optimized for VxWorks and Linux for deterministic real-time performance
• Hardware Reliability: Integrated watchdog timer and RTC for unattended operation
• Legacy System Compatibility: Seamless integration with existing VMEbus infrastructure

Application Scenarios

• Industrial Automation: Distributed control systems (DCS), PLCs, and factory automation platforms
• Aerospace & Defense: Avionics computers, mission control systems, and radar/sensor processing
• Test & Measurement: High-speed data acquisition (DAQ), automated test equipment (ATE), and hardware-in-the-loop (HIL) simulators
• Transportation: Railway signaling, marine vessel control, and heavy equipment monitoring
• Energy & Power: Power plant control, smart grid management, and renewable energy systems
• Telecommunications: Legacy telecom switching and network management platforms
• Research & Development: Scientific computing, particle accelerator control, and experimental data processing
• Legacy System Maintenance: Upgrading and sustaining older VMEbus-based embedded systems