Motorola MVME2700-1241

Motorola MVME2700-1241

Product Brief The MVME2700-1241 is a higher-memory configuration within the MVME2700 12xx series, featuring a 233 MHz MPC750 processor with 64MB ECC DRAM and 9MB Flash memory. This model employs the MVME761 I/O transition module and an IEEE 1101 compatible front panel. With double the memory capacity of the 1231, the 1241 addresses applications requiring larger memory footprints for data buffering, multi-tasking operating systems, or memory-intensive algorithms while maintaining the same reliable 233 MHz processing platform.

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Description

Motorola MVME2700-1241

Technical Specifications

  • Processor: 233 MHz MPC750-class 32-bit microprocessor
  • L1 Cache: 32KB instruction / 32KB data cache
  • L2 Cache: 1MB backside cache
  • Memory: 64MB ECC DRAM
  • Flash Memory: 9MB on-board Flash
  • VMEbus Interface: VME64 with A32/D64 support
  • I/O Transition Module: MVME761
  • Front Panel: IEEE 1101 compatible with injector/ejector handles
  • Serial Ports: Two or three async, one or two sync/async ports
  • Ethernet: 10BaseT/100BaseTX with 32-bit PCI DMA
  • SCSI: 8-bit or 16-bit Fast SCSI-2
  • NVRAM: 8KB with battery-backed real-time clock
  • Timers: Four 32-bit timers plus watchdog
  • PMC Slot: IEEE P1386.1 compatible 32/64-bit

Key Features

  • 233 MHz MPC750 with 1MB L2 cache
  • 64MB ECC DRAM for expanded memory applications
  • 9MB Flash for firmware and operating system storage
  • MVME761 I/O transition module support
  • IEEE 1101 front panel with ergonomic handles
  • On-board PPCBug debug monitor
  • Self-test diagnostic capabilities
  • Single-slot VME operation with PMC

Application Scenarios Medium-scale industrial control systems, military data processing equipment, aerospace mission computers, telecommunications network nodes, medical imaging systems, scientific data acquisition platforms, embedded database servers

Performance Parameters

  • Processor Clock: 233 MHz
  • L1 Cache: 32KB + 32KB
  • L2 Cache: 1MB
  • Memory: 64MB ECC DRAM
  • Flash: 9MB
  • Ethernet: 10/100Base-TX
  • SCSI: Fast SCSI-2
  • NVRAM: 8KB with TOD clock

Material Composition Premium industrial-grade materials throughout. The 64MB DRAM array uses high-reliability memory chips with full ECC capability. PCB features optimized trace routing for signal integrity at high speeds. Connectors use enhanced gold-plating thickness for extended service life.

Structural Characteristics 6U VME standard dimensions. IEEE 1101 front panel with injection/ejection mechanism. LED status indicators for comprehensive system monitoring. P2 connector interfaces with MVME761 transition module. DRAM mezzanine connector for potential future upgrades.

Working Principle The 233 MHz MPC750 accesses 64MB of ECC-protected DRAM through optimized memory controllers. The 1MB backside L2 cache minimizes processor stalls due to memory latency. The Raven bridge ASIC and Universe VME controller manage all bus transactions. The PC87308 ISASIO chip handles legacy serial and parallel port functions.

Installation Requirements VME64 chassis with sufficient power delivery for 64MB memory configuration. Proper thermal management to maintain processor within operating temperature range. MVME761 transition module installation requires intact P2 backplane.

Usage Notes 64MB memory provides substantial capacity for most embedded applications. Regular monitoring of ECC status is recommended. Ensure adequate airflow across the board for reliable long-term operation.

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