Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | VMIVME-7750 |
| Manufacturer | GE Fanuc Embedded Systems / GE Intelligent Platforms (formerly VMIC) |
| Product Type | 6U VMEbus Single-Board Computer (SBC) |
| Processor | Intel Pentium III, up to 1.26 GHz |
| L2 Cache | 512 KB Advanced Transfer Cache |
| Chipset | Intel 815E |
| System Bus | 133 MHz front-side bus |
| Memory | Up to 512 MB PC133 SDRAM (144-pin SODIMM) |
| VMEbus Interface | Tundra Universe IIB, VME64 compliant (A32/A24/A16, D32/D16/D8) |
| Expansion Slot | 1 × 5 V PMC site (IEEE P1386.1) |
| Ethernet | 2 × 10/100BaseT (Intel 82559), RJ45 |
| Graphics | Onboard AGP SVGA, 4 MB display cache, up to 1600 × 1200 @ 256 colors |
| Storage | IDE CompactFlash up to 1 GB, bootable; Ultra ATA/100 IDE |
| Serial Ports | 2 × RS-232 (16550-compatible), up to 115 Kbaud |
| USB | 2 × USB 1.1 host ports (front panel) |
| Non-Volatile Memory | 32 KB battery-backed SRAM |
| Timers | 2 × 16-bit, 2 × 32-bit; software-programmable watchdog |
| Operating Systems | VxWorks, QNX, Solaris, LynxOS, Linux, Windows 2000/XP |
| Power Requirements | +5 VDC typical 6 A (max 7 A); +12 VDC 105 mA typ; -12 VDC 50 mA typ |
| Form Factor | 6U VME Eurocard, single-slot |
| Dimensions (H×W×D) | 233.4 mm × 160 mm × 20.3 mm |
| Weight | Approx. 500 g |
| Operating Temperature | 0 °C to +50 °C (standard) |
| Storage Temperature | -25 °C to +80 °C |
| Humidity | 10%–90% RH, non-condensing |
| Cooling | Passive heatsink, no fan |
Main Features and Advantages
The VMIVME-7750 combines Pentium III computing horsepower with a genuinely industrial-native VME architecture, setting it apart from PC/104 or CompactPCI alternatives that merely emulate VME behavior. The 1.26 GHz processor with 512 KB of full-speed on-die L2 cache delivers approximately 50% more throughput than earlier VMIVME-7740 class boards, enabling more sophisticated control algorithms, real-time vibration analysis, and high-speed data logging without introducing latency into critical control loops.
Rugged, fan-less reliability:
The VMIVME-7750 employs a passive aluminum heatsink cooling scheme with no moving parts, eliminating the most common failure mode in control cabinet environments—fan breakdown due to dust, vibration, or bearing wear. This design is especially valuable in turbine control rooms, offshore platforms, and mobile defense applications where maintenance access is limited.
Dual-network segregation for secure control architectures:
With two independent 10/100BaseT Ethernet controllers, the VMIVME-7750 allows engineers to physically separate control traffic from HMI/historian or enterprise network traffic. This segmentation prevents network storms on the corporate LAN from disrupting deterministic control cycles. The onboard BootWare BIOS further supports remote Ethernet boot, enabling diskless deployment and centralized OS image management across fleets of VMIVME-7750 nodes.
Flexible I/O expansion via PMC:
The 5 V PMC site on the VMIVME-7750 conforms to IEEE P1386.1, allowing users to add industry-standard mezzanine cards for specialized functions—whether high-speed data acquisition, fiber-optic communication, analog I/O, or reflective memory. This extensibility means the can be tailored to virtually any embedded application without redesigning the base platform.
Comprehensive OS and software ecosystem:
The ships with board support packages (BSP) and IOWorks software tools for VxWorks, QNX, Linux, and Windows environments. Engineers can select a real-time operating system for deterministic control or a general-purpose OS for rich HMI development, often running both in partitioned or virtualized configurations. The 32 KB battery-backed SRAM preserves critical state across power cycles, while the software-programmable watchdog timer can trigger a system reset, NMI, or VMEbus SYSFAIL assertion if the application fails to respond.
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