Model Interpretation

VMIVME: VMEbus module series (VMIC/GE)

7750: High-end Pentium III VME SBC platform

Common suffixes:

-746000/-746001: Standard config (PIII up to 1.26 GHz, 512 MB SDRAM)

-760: Lower-frequency PIII variant

Technical Parameters

Processor & Chipset

CPU: Intel Pentium III, up to 1.26 GHz (256 KB L2 cache; 512 KB on 1.26 GHz version)

Chipset: Intel 815E, 133 MHz front-side bus, Advanced Hub Architecture (AHA)

PCI-to-VME Bridge: Tundra Universe II, transparent, supports VMEbus master/slave

Memory

SDRAM: 1×144-pin SODIMM, max 512 MB (ECC optional)

NVSRAM: Onboard non-volatile RAM for data retention

Storage: CompactFlash, IDE, SATA SSD/HDD support

Graphics & Display

Controller: 815E-integrated AGP, 4 MB external SDRAM cache

Resolution: Up to 1600×1200; front-panel VGA port

I/O & Interfaces (Front Panel)

Ethernet: 2×10/100 Mbps RJ45

Serial: 2×RS-232/422/485 (DB9)

USB: 2×USB 1.1

Parallel: 1×DB25

VGA: 1×DB15

VMEbus & Expansion

Form Factor: 6U Eurocard, single-slot, panel-mount

VME Compliance: Rev. C.1, 32-bit/33 MHz, master/slave

PMC Slot: 1×PMC for custom I/O/communications expansion

Power & Environment

Power: +5 VDC 7 A, +3.3 VDC 1 A, +12 VDC 0.5 A

Cooling: Passive (no fan)

Operating Temp: -40°C to +85°C

Humidity: 5–95% non-condensing

Certifications: UL, CE, CSA, IEC 60255

OS Support

Real-Time: VxWorks, Linux, QNX, LynxOS

General-Purpose: Windows 2000/XP, Solaris

Core Functions

High-Performance Embedded Control: Pentium III power for real-time industrial/defense applications.

Transparent VME-PCI Bridging: Universe II bridge enables seamless VMEbus master/slave operation in multi-CPU systems.

Dual Ethernet & Rich I/O: Integrated networking and I/O reduce external hardware.

Rugged Passive Cooling: Fanless design for high reliability in harsh environments.

Long-Term Availability: Extended lifecycle support for legacy VME systems.

Applications

Industrial Automation: DCS, PLC, factory automation, motion control.

Aerospace & Defense: Avionics test, radar/signal processing, ground support equipment.

Test & Measurement: High-speed DAQ, ATE, hardware-in-the-loop (HIL) simulators.

Energy & Power Generation: Turbine control, power plant monitoring.

Telecom & Simulation: Real-time simulation, instrumentation.

Usage & Maintenance

Installation: Insert into 6U VME chassis; connect power, VME backplane, and front-panel I/O.

Configuration: Set VME address, IRQ, and bridge mode via jumpers/BIOS.

Maintenance: Passive cooling minimizes upkeep; inspect connections annually; update firmware as needed.

Status: End-of-Life (EOL); replacement is Abaco Systems’ modern VME SBCs (e.g., VPX series).