The Acromag/Xembedded/Xycom XVME-653 is a single-slot VMEbus processor module built around an Intel 233 MHz Pentium CPU with MMX technology. It delivers PC-compatible computing within a double-high VME form factor, enabling real-time control, data acquisition, and embedded systems integration in industrial environments. The module combines onboard graphics, storage, and I/O connectivity with PCI-to-VMEbus bridging and optional carrier-module expansion.
Technical Specifications
Processor and Memory
• CPU: Intel 233 MHz Pentium Processor with MMX Technology
• L2 Cache: 512 KB synchronous, pipeline architecture
• DRAM: Up to 256 MB fast-page or EDO DRAM
• DRAM Slots: 72-pin SIMMs with ECC or parity support
Graphics
• Controller: PCI Local Bus SVGA with 64-bit internal graphics engine
• Video RAM: 2 MB VRAM
• Max Resolution: 1280 × 1024, 256 colors
• Output: 15-pin D-shell connector (front panel)
• Hardware BitBLT acceleration for GUI operations
Storage and I/O
• IDE Controller: PCI Enhanced IDE with DMA
• Floppy Drive Controller: Integrated
• Flash Disk: Optional, up to 72 MB
• Ethernet: Intel 82558, 10/100 Mbit, 32-bit PCI bus mastering, auto-sensing (10BaseT/100BaseTX)
• Serial: Two 16550-compatible high-speed ports
• Parallel: One EPP/ECP port
• USB: One port
• Keyboard/Mouse: PS/2 style ports
VMEbus Interface
• PCI-to-VMEbus bridge with DMA
• Multiple VME master and slave image support
• Block transfer and DMA for high-performance data operations
• Configurable hardware byte-swapping logic
Physical and Environmental
• Form Factor: Single-slot, double-high VMEbus module
• Connectors: P1 and P2 VMEbus backplane; front panel SVGA, RJ-45, USB, serial, parallel, PS/2
• Operating Temperature: 0 to 50°C with 100 cfm airflow
• Non-operating Temperature: −45 to 85°C
• Humidity: 5% to 95% at 60°C, non-condensing
– Key Features
• 512 KB L2 pipeline cache for sustained instruction throughput
• Hardware graphics acceleration via 64-bit BitBLT engine
• Dual Ethernet (10/100 Mbit) for network-dependent real-time tasks
• PCI-based DMA for VME block transfers without CPU overhead
• Optional flash storage up to 72 MB
– Compatibility & Integration
The XVME-653 interfaces with Xycom Automation modular I/O carrier modules (XVME-976), which accept PMC, PC/104, short ISA, or PCI expansion modules. Power is supplied via the VMEbus backplane connectors.
