Description
Product Introduction & Engineering Value
Legacy VME systems often remain in service because the surrounding equipment, software, and qualification processes are difficult to replace. When the embedded computer fails, the challenge is not simply finding another CPU board. The replacement must maintain software compatibility, VME communication behavior, and existing hardware interfaces.
The GE VMIVME-7750 provides a PC-compatible computing platform for VME-based control and acquisition systems. For long-life industrial installations, maintaining a tested spare can reduce downtime and avoid costly platform redesign.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | GE / VMIC |
| Model Number | VMIVME-7750 |
| Product Type | VMEbus Single Board Computer |
| Form Factor | 6U VME |
| Processor Options | Intel Pentium III / Celeron (variant dependent) |
| System Memory | SDRAM (capacity depends on configuration) |
| VME Interface | VME64 compliant |
| Local Bus | PCI architecture |
| Storage Interface | IDE interface |
| Ethernet Interface | 10/100 Ethernet (configuration dependent) |
| Serial Ports | RS-232/422/485 options depending on configuration |
| Expansion Support | PMC mezzanine support on applicable versions |
| Operating Systems | Windows / Linux / VxWorks (configuration dependent) |
Field Application & The “Trench” Experience”
A defense test platform using a VME-based acquisition rack began experiencing intermittent system freezes during automated test sequences. The application software had been developed years earlier and depended on the existing VME hardware architecture.
The maintenance team initially suspected the acquisition modules, but system logs pointed toward the embedded processor board. After replacing the failed VMIVME-7750 with a verified spare, engineers restored the original BIOS settings, confirmed VME addressing, and reloaded the operating environment.
The test system returned to operation without rewriting the application software or replacing the entire VME chassis.
Typical application scenarios include:
- Automated Test Equipment (ATE) — controlling measurement sequences and instrument communication
- Industrial Motion Test Systems — running legacy control applications with VME I/O modules
- Defense and Aerospace Simulation Platforms — maintaining qualified VME computing architectures
VMIVME-7750
VMIVME-7750
Transparency SOP: QA & Testing
For GE VMIVME-7750 new surplus or refurbished units, the inspection process should include:
Hardware Inspection
- Verify GE/VMIC identification label.
- Confirm complete VMIVME-7750 configuration.
- Inspect VME connector pins.
- Check PMC connectors and memory modules.
- Examine PCB condition.
Functional Testing
- Verify power-up sequence.
- Confirm processor operation.
- Test BIOS access.
- Check SDRAM recognition.
- Verify Ethernet and serial interfaces.
- Confirm VME bus communication.
Final Quality Record
- Record hardware revision.
- Document test environment.
- Package using ESD protection.
- Provide warranty information.
The Veteran’s Tech Trap Guide
⚠️ Do not replace a VMIVME-7750 without recording BIOS settings.
Legacy VME systems often rely on specific boot parameters, memory settings, and peripheral assignments. A replacement board may appear functional but fail to load the original application.
⚠️ Check processor and memory configuration.
The VMIVME-7750 family includes multiple hardware configurations. Confirm CPU type, RAM size, storage interface, and operating system requirements.
PRO TIP: Capture the original boot screen, BIOS configuration, and VME address map before removing the installed SBC.
⚠️ Watch for software licensing dependencies.
Some industrial systems bind application licenses to hardware identifiers, Ethernet MAC addresses, or storage devices. Document these details before replacement.
Dynamic FAQ
Q1: What is the GE VMIVME-7750 used for?
The VMIVME-7750 is a 6U VMEbus single-board computer used in industrial control, test, simulation, and legacy embedded computing systems.
Q2: Is the VMIVME-7750 a PLC CPU module?
No. It is an embedded computer board used as a host processor within VME architectures.
Q3: What operating systems can run on the VMIVME-7750?
Compatibility depends on the specific hardware configuration and installed software environment. Common industrial platforms include Windows, Linux, and real-time operating systems such as VxWorks.
Q4: Can any VME CPU board replace the VMIVME-7750?
No. Replacement requires matching processor performance, VME interface behavior, software compatibility, memory configuration, and peripheral requirements.
Q5: How are refurbished VMIVME-7750 boards tested?
Testing should include processor startup, memory verification, VME bus communication, interface checks, and operating system boot validation.
Q6: Is the GE VMIVME-7750 still available new?
The VMIVME-7750 is a legacy VME product. Availability typically depends on remaining industrial surplus inventory, repair stock, and lifecycle support channels.
Q7: What information is needed to source a replacement VMIVME-7750?
Provide the complete part number, CPU configuration, RAM size, operating system, VME chassis model, application software requirements, and photos of the existing board.
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