Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | VMIVME-7750-2 |
| Manufacturer | VMIC / GE Fanuc / GE Intelligent Platforms |
| Product Type | VMEbus Single-Board Computer (SBC) |
| Processor | Intel Pentium III, 733 MHz (up to 1.26 GHz depending on variant) |
| Level 2 Cache | 512 KB Advanced Transfer Cache |
| Chipset | Intel 815E with 133 MHz Front-Side Bus |
| System Memory | Up to 512 MB PC133 SDRAM via 144-pin SODIMM |
| Non-Volatile Storage | Up to 1 GB bootable IDE CompactFlash (secondary IDE) |
| Nonvolatile SRAM | 32 KB |
| VMEbus Interface | VME64: A32/A24/D32/D16/D08(EO)/MBLT64/BLT32 |
| Ethernet | Dual 10/100BASE-T (10BaseT/100BaseTX) controllers |
| Serial Ports | Two 16550-compatible UARTs, 16-byte FIFO |
| USB | Dual USB 1.1 (front panel) |
| Graphics | Internal AGP SVGA controller, 4 MB display cache |
| Keyboard/Mouse | PS/2-style ports on front panel |
| Real-Time Clock | Yes, with battery backup |
| Watchdog Timer | Software-selectable, with reset capability |
| Programmable Timers | Two 16-bit and two 32-bit, software programmable |
| PMC Expansion | One IEEE-P1386 PMC site (5 V) |
| IDE Controllers | Onboard Ultra DMA/100 hard drive and floppy controllers (via VMEbus P2) |
| Endian Conversion | Hardware-assisted real-time little-endian/big-endian (US Patent 6,032,212) |
| BIOS | Reprogrammable flash for system and video BIOS |
| VMEbus Functions | Interrupt handler, interrupter, and system controller |
| Boot Capability | Remote Ethernet boot supported |
| Form Factor | 6U VME Eurocard (233.35 mm × 160 mm) |
| Heat Sink | Passive heat sink (standard) |
| Operating Temperature | Commercial: 0°C to +55°C (extended/rugged variants available) |
| Cooling | Passive (forced-air convection in standard VME crate) |
| Power Requirement | +5 VDC (primary); +12 VDC for PMC carrier (if used) |
| Operating System Support | Windows NT, Windows 2000, VxWorks, Solaris, QNX, LynxOS, Linux |
| Compliance | RoHS, CE, FCC (variant-dependent) |
Main Features and Advantages
Powerful yet deterministic Pentium III computing core:
The GE VMIVME-7750-2 centers on a 733 MHz Intel Pentium III processor with 512 KB of Advanced Transfer Cache and a 133 MHz front-side bus driven by the Intel 815E chipset. This architecture delivers ample compute headroom for complex control algorithms, data logging, and protocol conversion, while retaining the deterministic behavior required by real-time operating systems such as VxWorks and QNX. The DRAM subsystem is dual-ported to the VMEbus, enabling direct memory access between the GE VMIVME-7750-2 and other VMEbus masters without CPU intervention.
Comprehensive embedded I/O integration:
Unlike many competing SBCs that rely heavily on mezzanine cards for basic I/O, the GE VMIVME-7750-2 integrates dual 10/100BASE-T Ethernet controllers, two 16550-compatible serial ports, dual USB 1.1 ports, an AGP SVGA graphics controller with 4 MB display cache, and PS/2 keyboard/mouse interfaces directly on the board. This rich I/O complement lets the GE VMIVME-7750-2 function as a complete control and visualization node, reducing overall system cost and sparing inventory complexity.
Robust real-time and fault-tolerance features:
The GE VMIVME-7750-2 incorporates a software-selectable watchdog timer with automatic system reset, four fully programmable timers (two 16-bit and two 32-bit) mapped in I/O space, and 32 KB of nonvolatile SRAM for storing critical state data across power cycles. Its patent-protected real-time endian conversion hardware (US Patent 6,032,212) seamlessly translates between little-endian and big-endian data formats on the VMEbus, a crucial capability in mixed-architecture systems. These features collectively ensure that the can sustain continuous operation in applications where silent failure is not an option.
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