
In This Article
BVM PMC Carrier Boards & Legacy Embedded Systems
High-Performance Industrial I/O, Storage, and Compute Modules for Mission-Critical Applications
At BVM, embedded computing has always been built around one core principle: long-term reliability in environments where failure is not an option. The legacy PMC carrier boards and modular I/O products in this range reflect decades of engineering experience supporting industrial, defence, and telecom applications that demand stable, predictable performance over extended lifecycles.
These systems were designed during a period when embedded computing needed to be highly modular, bus-based, and upgradeable, allowing engineers to expand functionality without replacing entire platforms. As a result, the PMC architecture became a cornerstone of flexible system design, enabling high-density I/O, storage integration, and specialised processing within CompactPCI and PCI-based systems.
Even today, these legacy designs remain in active use across critical infrastructure due to their robustness, deterministic behaviour, and proven field reliability. Many installations still rely on these modules because they offer long-term availability and consistent operation in systems where redesign or downtime is not feasible.
Alongside legacy support, BVM continues to evolve its board design capabilities, developing modern embedded solutions such as COM Express (COMe) carrier boards and advanced custom platforms. This ensures a seamless bridge between established systems and next-generation compute requirements, including higher processing performance, improved integration, and support for AI and edge computing workloads.
Together, this combination of proven legacy hardware and forward-looking design expertise allows BVM to support the full lifecycle of industrial embedded systems – from long-serving installed platforms through to new, high-performance deployments.

Engineered for Longevity and Reliability
BVM’s PMC (PCI Mezzanine Card) and CompactPCI-based legacy product line was designed to deliver flexible I/O expansion, high-speed data handling, and modular system architecture for embedded platforms.
Key characteristics across the legacy range include:
- Industrial-grade PCB and component selection for extended lifecycle operation
- Modular PMC architecture for flexible system integration
- Support for high-speed PCI, PCI-X, and CompactPCI backplanes
- Ruggedised designs suitable for harsh environments
- Deterministic performance for real-time embedded applications
- Long-term availability for OEM and defence programmes

BVM Design Philosophy
The BVM engineering approach focuses on modularity, stability, and interoperability across embedded platforms.
Core design principles include:
- PMC Mezzanine Architecture – enabling scalable I/O and function expansion
- Hot-Swap (where applicable) – allowing system maintenance without downtime
- Opto-Isolation Options – protecting sensitive systems from electrical noise and surges
- High-Speed Bus Compatibility – PCI, PCI-X, and CompactPCI integration
- Rugged Thermal Design – conduction-cooled and fan-assisted for harsh environments
- Deterministic Timing Control – essential for industrial automation and measurement systems
These systems continue to be deployed in environments where reliability is non-negotiable.
Legacy PMC Modules & Carrier Boards
A comprehensive range of proven PMC modules and Compact PCI carrier boards designed for long-term embedded applications, delivering reliable I/O, storage, and system expansion across industrial, defence, and telecommunications environments.
32-Bit Opto-Isolated Digital I/O PMC Module
Application: Industrial control systems, factory automation, machine monitoring
A flexible 32-bit opto-isolated I/O module available in factory-configured input/output combinations. It includes programmable input debounce and interrupt-on-state-change functionality for precise control applications.
64-Bit Digital I/O PMC Module
Application: High-density control systems, embedded test platforms
A TTL-compatible 64-bit I/O module with byte-selectable input/output configuration. Features include latched inputs tied to a 33MHz PCI clock, programmable watchdog timer, and interrupt-driven I/O events.
8 x 16-Bit Counter/Timers with 32-Bit TTL I/O PMC Module
Application: Motion control, robotics, industrial measurement systems
Eight independent 16-bit counter/timers with internal or external clock support up to 1.67MHz. Includes external gate and direction control for advanced timing applications.
8 x 16-Bit Counter/Timers with Opto-Isolated I/O PMC Module
Application: Harsh industrial environments, signal monitoring systems
Designed for electrically noisy environments, this version supports opto-isolated I/O with counter/timers operating up to 250kHz, with software or external gate control.
CompactFlash & IDE PMC Storage Module
Application: Embedded computing, data logging, industrial control systems
Provides dual CompactFlash support offering up to 1GB of removable non-volatile storage, ideal for legacy embedded systems requiring reliable offline storage.
cPCI Hot Swap Dual PMC Carrier (64-Bit / 66MHz for H110)
Application: Telecommunications infrastructure, network switching systems
A CompactPCI dual PMC carrier designed for hot-swap operation using HB6 bridge technology. Fully compliant with PICMG 2.1 R2.0 standards for high-availability systems.
Dual Channel Serial ATA Controller PMC Module
Application: Industrial data acquisition, storage expansion systems
The PMCSATA module supports two SATA devices connected via the PCI bus, enabling flexible and high-speed storage integration into embedded systems.
PMC 32-Bit Opto-Isolated Conduction-Cooled DIO Module
Application: Defence systems, aerospace electronics, harsh environments
A rugged conduction-cooled 32-bit digital I/O module with 16 inputs and 16 outputs. Includes debounce control, interrupt capability, and watchdog protection for mission-critical reliability.
cPCI Hot Swap Dual PMC Carrier (General Purpose)
Application: Industrial computing platforms, telecom infrastructure
A 64-bit / 66MHz CompactPCI hot-swap dual PMC carrier designed for modular expansion and system redundancy in high-availability environments.
Ultra 160 SCSI Controller Module
Application: Legacy storage systems, industrial data acquisition
Based on the LSI53C1000 controller, supporting transfer speeds up to 160MB/s with automatic LVD/SE termination detection for flexible storage integration.
Ultra 320 SCSI Controller Module
Application: High-speed legacy storage systems, enterprise embedded computing
Uses the LSI53C1020 PCI-X controller supporting up to 320MB/s data transfer rates across multiple PCI bus configurations for maximum compatibility.
Wide Ultra 2 SCSI Controller Module
Application: Industrial storage arrays, legacy system upgrades
Features LSI53C895A controller with 944-byte FIFO buffer, supporting up to 80MB/s transfer rates with automatic SCSI mode detection.
Hot Swap Dual PMC Carrier for Telco Applications
Application: Telecommunications switching systems, network infrastructure
Designed for telecom environments with rear I/O routing to J3 and J5, enabling flexible integration into carrier-grade systems.
Hot Swap Dual CompactPCI PMC Carrier
Application: Industrial automation, embedded computing platforms
A CompactPCI-compliant dual PMC carrier supporting hot-swap functionality per PICMG 2.1 R1.0 standards, ideal for scalable embedded systems.





Industrial Application Areas
BVM PMC and legacy embedded product range continues to support a wide variety of mission-critical industries:
- Industrial automation and robotics control systems: Real-time control and I/O processing for precision manufacturing and robotic operations.
- Defence and aerospace embedded computing platforms: Rugged, mission-critical computing systems designed for secure and reliable operation in extreme environments.
- Telecommunications and network infrastructure equipment: High-availability embedded hardware supporting continuous data flow and network performance.
- Energy, oil, and gas monitoring and control systems: Reliable industrial computing for monitoring, automation, and safety in harsh energy environments.
- Transportation systems including rail and logistics: Durable embedded solutions for signalling, tracking, and operational control across transport networks.
- Medical imaging and diagnostic equipment: Stable and compliant computing platforms supporting accurate imaging and patient diagnostics.
- Test, measurement, and instrumentation platforms: Precise data acquisition systems enabling accurate testing and analysis in laboratory and industrial settings.
- High-reliability data acquisition and logging systems: Continuous, fault-tolerant recording systems for critical industrial and environmental data collection.
These environments demand long lifecycle hardware, deterministic performance, and rugged reliability—core strengths of the BVM embedded portfolio.
Contact BVM
For all your Industrial and Embedded Computing requirements, contact our expert team today. At BVM, we have over 35 years of experience designing and supplying reliable embedded hardware, from proven legacy PMC carrier boards and I/O modules through to modern COMe (COM Express) carrier board designs and fully custom embedded platforms.
Our legacy product range continues to support long-life industrial, defence, and telecom applications where stability and compatibility are essential. Alongside this, our current engineering focus includes advanced COMe carrier board solutions, delivering higher performance, greater integration, and improved scalability for today’s edge computing and AI-driven applications.
If you need support migrating from legacy architectures or designing a new embedded platform from the ground up, our in-house design team can help create a solution tailored to your exact requirements.
📞 Tel: 01489 780144 or 📧 Email: sales@bvmltd.co.uk
Speak to BVM today to discuss both legacy system support and next-generation embedded board design.
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Ready to Discuss Your Project?
Contact BVM for all your Industrial and Embedded Computing OEM/ODM design, UK manufacturing or distribution needs. With over 35 years of experience, we supply standard hardware and design custom solutions tailored to your requirements.
Reach our expert sales team on 01489 780144 or email us at sales@bvmltd.co.uk.

















