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Product Overview
The GE VME7807RC CPU PMC676RCTX is a GE Fanuc Intelligent Platforms VMEbus single-board computer configured with an Intel Pentium M processor and a PMC676RCTX dual-port Gigabit Ethernet interface. The VME7807RC is a 6U, single-slot VMEbus SBC developed for embedded computing, industrial control, process monitoring, test systems, and other I/O-intensive applications. It supports up to 1.5 GB DDR SDRAM and provides one PCI-X PMC expansion site. The PMC676RCTX adds two 10/100/1000BaseT copper Ethernet ports through the PMC interface, making the combined assembly suitable where higher network throughput is required in a legacy VME chassis. The board is passively cooled and supports operating environments involving VxWorks, Linux, QNX, and other embedded operating systems.
Technical Specifications — VME7807RC CPU PMC676RCTX
| Parameter | Value |
|---|---|
| Product Model | VME7807RC CPU with PMC676RCTX |
| Manufacturer | GE Fanuc / GE Intelligent Platforms |
| Product Type | VMEbus Single-Board Computer with PMC Ethernet Module |
| Processor | Intel Pentium M |
| Processor Speed | 1.1, 1.4, or 1.8 GHz options |
| System / Memory Bus | 400 MHz |
| Memory | Up to 1.5 GB DDR SDRAM |
| PMC Interface | 1 × PCI-X, 66 MHz PMC site |
| Ethernet | Dual 10/100/1000BaseT via PMC676RCTX |
| Ethernet Controller | Intel 82546 |
| VME Form Factor | 6U single-slot VMEbus |
| Cooling | Passive cooling |
| Serial I/O | Up to 4 serial interfaces |
| USB | 4 × USB 2.0 |
| Operating Systems | VxWorks, Linux, QNX, Solaris and others |
| CompactFlash | Up to 2 GB optional |
| Typical Interfaces | VMEbus, Ethernet, USB, serial, VGA, PMC |
| Compliance | VME / VITA 31.1; RC version designed for RoHS |
Core V7807RC specifications are documented by GE Fanuc/Abaco references. Exact memory, processor frequency, storage, and rear-I/O configuration depend on the ordering configuration.
GE VME7807RC CPU PMC676RCTX
Key Features and Benefits — VME7807RC CPU PMC676RCTX
- Intel Pentium M processing for legacy embedded control and data-processing applications.
- 6U VMEbus architecture allows installation in standard VME chassis systems.
- Up to 1.5 GB DDR SDRAM supports demanding embedded software and data acquisition workloads.
- One PCI-X PMC expansion site provides application-specific hardware flexibility.
- The PMC676RCTX adds two independent copper Gigabit Ethernet ports with full-duplex operation.
- 64 KB deep FIFO buffers on the PMC Ethernet interface help reduce PCI overhead during sustained network traffic.
Personally, I would treat this configuration as a complete embedded-computing assembly rather than evaluating the CPU card and Ethernet PMC separately. The exact PMC option, processor frequency, memory population, and rear-I/O configuration can materially affect replacement compatibility.
Related Models
V7807RC — GE/Abaco 6U VMEbus single-board computer based on Intel Pentium M technology, with up to 1.5 GB DDR SDRAM and one PMC expansion slot.
VMIVME-7807 — Closely related VME SBC family member using the same Pentium M and 855GME platform architecture.
PMC676RCTX — Dual-port Gigabit Ethernet PMC network interface card with two 10/100/1000BaseT RJ-45 interfaces and Intel 82546 Ethernet control.
PMC676RC — Related PMC676 family variant using fiber-optic Ethernet interfaces instead of the copper RJ-45 configuration.
Installation and Maintenance — VME7807RC CPU PMC676RCTX
Install the board only in a compatible 6U VME chassis. GE Fanuc installation guidance recommends attaching any PMC module before inserting the CPU assembly into the chassis. Ensure the board is correctly aligned with the card guides and fully seated using the ejector handles.
For maintenance, verify the processor revision, installed memory, PMC identification, CompactFlash configuration, BIOS settings, and rear-transition-module arrangement before replacement. Inspect VME backplane connectors, PMC mating points, Ethernet connectors, and board surfaces for contamination or mechanical damage. Preserve the existing operating-system image and application configuration whenever a legacy controller is being replaced.
Product Warranty — VME7807RC CPU PMC676RCTX
Warranty coverage depends on supplier and unit condition. For procurement, confirm whether the assembly is new, refurbished, or surplus and request serial-number traceability, configuration details, functional test records, and the applicable warranty period.
The GE VME7807RC CPU PMC676RCTX is a legacy embedded-computing configuration, so exact hardware and PMC-option matching should take priority over selecting a board based solely on its general VMEbus function.
