Description
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GE VMIVME-7750
Key Technical Specifications
- Form Factor: 6U single slot Eurocard, VMEbus Revision C.1
- Processor: Intel Pentium III, up to 1.26 GHz, 512KB L2 cache
- Chipset: Intel 815E
- System Memory: Up to 512MB PC133 SDRAM (144-pin SODIMM socket)
- Onboard Storage: CompactFlash IDE interface, up to 1GB flash
- Network: Dual independent 10/100 Base-TX Ethernet ports
- Front Panel I/O: SVGA video, 2× RS232 serial, dual USB, PS/2 keyboard & mouse, reset switch
- Expansion: PMC mezzanine card slot for custom I/O add-ons
- VME Bus: A32/D32 addressing, transparent PCI-to-VME bridge
- Supported OS: VxWorks, Linux, Windows NT/XP Embedded
- Operating Temperature: 0 °C to +60 °C (commercial grade); extended temperature variants available
- Power: +5V, +12V, -12V from VME backplane
- Cooling: Passive heatsink, no onboard fan
- Discontinued Status: Original manufacturing ceased, legacy spare only
Product Introduction
The GE VMIVME-7750 (originally VMIC) is a widely deployed 6U VME single board computer for legacy real-time control and data acquisition systems. It can act as the primary VME system controller or secondary peer CPU in multi-processor racks. The integrated PCI-to-VME bridge delivers high-speed transfers between the local CPU subsystem and the VME backplane, while the PMC slot adds flexible expansion for specialized I/O or communication interfaces.
Common deployments include industrial simulation, test benches, power plant control, and military/aerospace test hardware. This board is fully obsolete; OEM manufacturing and official long-term support have ended. When shipping cross-border, prepare full datasheets and test certificates for global procurement portals and customs databases to reduce inspection delays.
GE VMIVME-7750
GE VMIVME-7750
QC, Procurement & Logistics SOP
- Inbound Verification: Inspect OEM silkscreen labeling, gold VME edge connectors, heatsink and capacitor condition. Cross-check hardware revision and sub-part suffix; verify no prior board-level repair or rework. Confirm PMC connector integrity.
- Live Rig Testing: Install inside compatible VME chassis; boot to BIOS, validate RAM detection, CompactFlash boot, dual Ethernet, serial ports and SVGA output. Test VME bus master/slave functionality and PMC slot detection if fitted with mezzanine card.
- QA & Anti-Static Packaging: Clean gold edge connector contacts; place SBC inside ESD shielding bag with rigid foam support to protect PCB and connectors during transit.
- Global Logistics & Export Compliance: Assign correct HS classification for embedded single board computers. Use reinforced rigid packaging for air or sea freight; compile test reports and datasheets to minimize customs hold-ups.
GE VMIVME-7750
Technical Pitfalls & Integration Warnings
- BIOS & Firmware Version Lock. Older BIOS revisions have limited memory support and boot incompatibility with newer CompactFlash media. Updating BIOS carries risk of bricking the SBC if power is interrupted.
- Capacitor Age Degradation. Electrolytic capacitors on these vintage boards are a common failure point. A unit may pass bench boot tests but crash under thermal load after warm-up. Refurbished units should have capacitor recapping validated.
- VME Backplane & Slot Configuration. Improper VME system controller jumper setting causes bus arbitration failures, preventing other VME cards from being recognized. DIP switch configuration must match rack slot assignment.
- PMC Mezzanine Compatibility. Not all PMC cards are 3.3V/5V tolerant. Mismatched voltage PMC modules can permanently damage the VMIVME-7750 PMC interface.
- ESD & Handling Risk. Exposed gold edge connectors and high-speed memory circuits are ESD sensitive. Damage may remain latent and only appear under vibration or temperature cycling in the live rack.
GE VMIVME-7750
Frequently Asked Questions (FAQ)
What global lead times apply for GE VMIVME-7750? Stock-on-hand units can ship in 1–3 business days. Final delivery lead time depends on destination; remote industrial regions can extend full transit to 14–22 calendar days.
Can I hot-swap VMIVME-7750 while the VME rack stays powered? Standard VME hardware is NOT hot-swappable. Power down the entire rack and observe lockout/tagout before removal or insertion. Hot extraction will crash the system and can damage the backplane or adjacent modules.
What operating systems run on this SBC? Typical deployments use VxWorks, embedded Linux, Windows NT or Windows XP Embedded. Modern 64-bit operating systems are not supported.
Does every VMIVME-7750 include the PMC mezzanine card? No. The PMC slot is a passive expansion connector; the PMC mezzanine card is sold separately unless explicitly included in your part variant.
Is backward compatibility guaranteed for older VME racks? Physically it fits standard 6U VME chassis. Validate backplane type, bus arbitration, DIP switch system-controller setting and BIOS version before drop-in replacement. Bench testing before live commissioning is mandatory.
Is field repair available for VMIVME-7750? OEM component sourcing is limited for this discontinued SBC. Recapping and component-level repair is possible by specialty shops, but full board replacement is lower risk for production-critical racks.
What pre-installation checks should be completed?
- Inspect VME edge connector pins for bending, oxidation or contamination
- Check for swollen/leaking electrolytic capacitors
- Confirm DIP switch setting for VME system controller
- Validate CompactFlash media and BIOS boot compatibility
- Verify PMC voltage tolerance before installing mezzanine modules
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