The Abaco Systems / VMIC VMIVME-7588-997 is a VMEbus CPU module engineered for demanding industrial and embedded applications requiring reliable processing and real-time VMEbus connectivity. Built around the Intel Pentium processor architecture with support for speeds from 133 MHz to 233 MHz, this module delivers deterministic performance in harsh environments where longevity and fault tolerance are critical.
– Technical Specifications
Processor & Memory
• Intel Pentium processor: 133 to 233 MHz (including 150, 166, 200, and 233 MHz configurations)
• 512 Kbyte L2 synchronous burst SRAM cache
• Intel Triton II chipset
• Up to 256 Mbytes DRAM via two 72-pin SIMM modules
• Parity and non-parity DRAM options
• On-board DRAM dual-ported to VMEbus
• Reprogrammable flash memory for system, video, and SCSI BIOS
Graphics & Display
• 64-bit PCI SVGA controller with Cirrus Logic CL-GD5436 adapter
• 2 Mbyte Video DRAM
• Supported resolutions: 1,280 × 1,024 at 256 colors; 1,024 × 768 at 64K colors; 800 × 600 at 64K colors
VMEbus Interface
• Universe PCI-to-VME bridge (Newbridge/Tundra)
• VME64 address and data modes: A32/A24, D64/D32/D16/D08(EO), MBLT64, BLT32
• Data transfer rate: up to 58 Mbyte/s
• VMEbus interrupt handler, interrupter, and system controller functions
• Byte-swapping hardware for endian conversion
• Four 1-bit mailboxes for interprocessor communication
Storage & Expansion
• On-board IDE and Floppy Drive controllers
• One PMC slot (IEEE-P1386, 5 V signaling)
– Key Features
Networking & Communications
• Intel 21142 PCI Ethernet controller with 10Base2 BNC and RJ-45 connectors
• 10BaseT and 100BaseTX options available
• Two 16550-compatible serial ports, each with 16-byte FIFO, up to 56 kHz baud
• Enhanced IEEE-1284 parallel port, fully bidirectional
Storage Interface
• Adaptec 7880 PCI SCSI-2 controller
• 8- or 16-bit operation at up to 40 Mbyte/s
• Front panel SCSI interface
– Typical Applications
VMEbus-based military, aerospace, and industrial control systems; embedded data acquisition; real-time signal processing; legacy crate systems requiring Pentium-class compute density.
– Compatibility & Integration
Standard VME form factor integration. PMC mezzanine expansion via IEEE-P1386. Compatible with VMEbus backplanes supporting A32/D64 protocols.
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