Description

The GE VMICPCI-7806-211000 (also designated as 350-657806-211000L) is a high-performance Reflective Memory Network Interface Card developed under GE’s VMIC product line—renowned for enabling deterministic, low-latency data sharing across distributed real-time computing systems. This PCI-based module provides a shared memory architecture where writes to local memory are instantly mirrored (“reflected”) to all other nodes on the network, eliminating the need for traditional messaging protocols and ensuring microsecond-level synchronization.

As part of GE’s legacy but widely deployed VMIC Reflective Memory family, the GE VMICPCI-7806-211000 supports up to 256 nodes over a fiber-optic ring or star topology, delivering 2.1 Gbps of aggregate bandwidth with consistent latency regardless of network load. It is commonly used in applications where timing predictability is non-negotiable—such as power plant control coordination, flight simulators, hardware-in-the-loop (HIL) testing, and military command systems. The GE 350-657806-211000L variant features 128 MB of onboard DRAM, allowing large datasets (e.g., sensor arrays, control matrices, or simulation states) to be shared in real time without CPU intervention.

Positioned as a bridge between heterogeneous computing platforms—including VME, CompactPCI, PXI, and standard PCs—the GE VMICPCI-7806-211000 operates independently of operating systems and CPU architectures. Its simplicity, reliability, and deterministic behavior have made it a de facto standard in industries where Ethernet-based solutions introduce unacceptable jitter or protocol overhead.

Technical Specifications

Main Features and Advantages

Deterministic shared memory architecture: Unlike TCP/IP or UDP-based networks, the VMICPCI-7806-211000 implements a true shared memory model—any write to its local memory space is automatically replicated to all other nodes within microseconds. This eliminates software stack delays and ensures predictable, jitter-free data exchange, critical for synchronized control or simulation.

Fiber-optic robustness and noise immunity: Using dual LC multimode fiber interfaces, the 350-657806-211000L provides complete galvanic isolation between nodes, making it ideal for electrically noisy environments like power substations, turbine halls, or test cells with high EMI. Fiber also enables long-distance links (up to 300 meters per segment) without signal degradation.

Plug-and-play simplicity: The VMICPCI-7806-211000 requires no drivers, middleware, or configuration files. Applications access the reflective memory region as if it were local RAM, using standard pointer operations. This dramatically reduces software complexity and accelerates integration into legacy or new systems alike.

Scalable multi-node networking: With support for up to 256 nodes, the 350-657806-211000L can coordinate dozens of controllers, I/O processors, or visualization workstations in a single coherent data space—ideal for large-scale DCS upgrades or distributed test benches.

Legacy system modernization enabler: Many plants still rely on proprietary real-time networks that are difficult to maintain. The VMICPCI-7806-211000 allows seamless migration by acting as a high-speed data backbone between old and new platforms—bridging VME-based controllers with modern x86 servers without altering core control logic.

Application Field

The VMICPCI-7806-211000 is extensively used in power generation and transmission, where multiple protection relays, turbine governors, and SCADA front-ends must share real-time status data with microsecond precision—especially during fault events or islanding scenarios. In these cases, the deterministic nature of reflective memory ensures all systems react cohesively, preventing cascading failures.

In aerospace and defense, the 350-657806-211000L powers flight simulators and radar data fusion systems, where dozens of compute nodes render terrain, process sensor feeds, and update cockpit displays in perfect sync. Its OS-agnostic design allows Windows-based visualization PCs to interoperate seamlessly with VxWorks-based embedded controllers.

Within automotive and industrial test labs, the VMICPCI-7806-211000 serves as the backbone for hardware-in-the-loop (HIL) platforms, synchronizing engine models, brake simulators, and CAN bus emulators in real time. Similarly, in rail signaling and traction control, it enables fail-safe coordination between wayside units and central command systems.

Across all these domains, the VMICPCI-7806-211000 solves one fundamental challenge: how to share large volumes of time-critical data across heterogeneous systems—without compromise on speed, simplicity, or reliability.

VMICPCI-7806-211000 350-657806-211000L GE

Related Products

• VMIVME-7806-211000: VMEbus version of the same reflective memory module—compatible with VME chassis instead of PCI.

• VMICPCI-7806-111000: Lower-memory variant with 64 MB DRAM—suitable for less data-intensive applications.

• VMIC-7806-HUB: Reflective Memory Hub—enables star topology and extends node count beyond ring limitations.

• VMIPCI-5565: Older-generation reflective memory card (1 Gbps)—still in use but superseded by theVMICPCI-7806

• 350-657806-111000L: Alternate part number for the 64 MB version—verify memory requirement before ordering.

• SBS Technologies RM-7806: Successor product line after GE divested VMIC—offers similar functionality with updated support.