Description
The VMIVME-7697-850 (with assembly/dash suffix 332-000395-000B) is a high-performance Pentium III VMEbus Single-Board Computer (SBC) originally manufactured by VMIC (VME Microsystems International Corporation, later acquired by GE Fanuc / Abaco Systems).
Core Specifications
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Processor: Intel Pentium III processor running at 850 MHz with a 256 KB advanced transfer cache (100 MHz system bus).
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Form Factor: Standard VMEbus single-slot module.
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Bus Support: VME64 modes (A32/A24/D32/D16/D08(EO)/MBLT64/BLT32), featuring an integrated VMEbus system controller, interrupt handler, and interrupter.
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Graphics: 64-bit AGP SVGA controller equipped with 4 MB SGRAM.
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Expansion: 1x PMC (PCI Meausanine Card) expansion site (IEEE-P1386 standard, 5V).
I/O & On-Board Features
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Ethernet: On-board Fast Ethernet controller supporting 10BaseT and 100BaseTX (RJ-45) with remote boot capabilities.
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Storage Interfaces:
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Ultra-DMA-33 hard drive and floppy controllers (accessible via VMEbus P2).
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PCI Fast/Wide SCSI-2 interface.
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Front Panel Connectors:
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Universal Serial Bus (USB) port
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PS/2-style keyboard and mouse ports
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High-performance 16550-compatible serial ports and parallel port
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Embedded Safety & Reliability Features:
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Software-selectable watchdog timer with reset capabilities
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128 KB of battery-backed SRAM
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Real-time endian conversion hardware for handling both little-endian and big-endian data structures
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Common Applications
Ruggedized VME architecture makes this unit standard for legacy high-reliability industrial control, military/defense simulations, automated test equipment (ATE), data acquisition, and
VMIVME-7697-850
VMIVME-7697-850 ASSY.332-000395-000B
Product Overview
VMIVME-7697-850 (Assembly PN: 332-000395-000B) is a VME64 Single Board Computer (SBC) manufactured by VMIC (GE Fanuc). It adopts Pentium III architecture and complies with VMEbus standard, acting as the main computing host for VME industrial control racks.
It undertakes real-time data acquisition, turbomachinery control algorithm execution, human-machine interface data interaction and external system communication. Widely used in turbine control, power generation automation, semiconductor equipment and offshore platform measurement & control systems. It supports multiple real-time operating systems including VxWorks, Linux and Windows Embedded.
Technical Specifications
| Item | Parameter |
|---|---|
| Part Number | VMIVME-7697-850, ASSY.332-000395-000B |
| Module Type | VME64 Single Board Computer |
| Manufacturer | VMIC, GE Fanuc Intelligent Platforms |
| Form Factor | 6U dual-height Eurocard VME module |
| Processor | Intel Pentium III high-speed real-time CPU |
| Memory | Onboard DDR SDRAM; battery-backed SRAM for data retention |
| Storage | Onboard CompactFlash IDE storage interface |
| Internal Bus | VME64 bus, supports A32/D32, MBLT, BLT data transmission |
| Communication Interfaces | 1 × 10/100M Ethernet port
2 × configurable RS232/422/485 serial ports Front panel USB interface |
| Watchdog Timer | Software programmable watchdog, supports CPU reset and NMI interrupt |
| Supported OS | VxWorks, Linux, Windows XP Embedded |
| Power Supply | Powered by VME rack backplane |
| Cooling | Passive heat sink + forced air cooling required |
| Operating Temperature | 0 ℃ ~ +55 ℃ (derate above 55℃) |
| Ambient Humidity | 5%–95% non-condensing |
| Protection Class | IP20 (cabinet installation) |
| Spare Part Status | OEM production discontinued; new surplus and refurbished boards available |
Key Features
- High-performance industrial real-time computing platform optimized for continuous turbomachinery control applications
- Complete VMEbus master/slave function, supports high-speed data interaction with VME I/O modules
- Built-in hardware self-diagnosis, monitoring CPU, memory, bus communication and internal circuit status
- Battery backup memory retains historical data and configuration parameters during power interruption
- PMC expansion slot supports function expansion for communication and signal acquisition
- Different suffix assembly revisions cannot be directly interchanged without matching firmware and project debugging
Important reminder: This is VME industrial single-board computer, not general DCS CPU module. It is widely matched with GE legacy turbomachinery control systems.
