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MVME162-026A

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MVME162-026A
May 15, 2026

MVME162-026A

The MVME162-026A is a 6U single-height VMEbus single board computer manufactured by Motorola (Emerson). It is a high-reliability ruggedized full-featured model in the MVME162 family, equipped with MC68040 25 MHz processor with FPU. This board integrates 4 IndustryPack slots + SCSI-2 + 10 Mbps Ethernet, designed for harsh industrial environments, railway transit, military, aerospace and mission-critical real-time embedded VMEbus systems requiring floating-point computation and wide temperature operation.

Description

MVME162-026A.jpg

1. General Description

The MVME162-026A is a 6U single-height VMEbus single board computer manufactured by Motorola (Emerson). It is a high-reliability ruggedized full-featured model in the MVME162 family, equipped with MC68040 25 MHz processor with FPU.
This board integrates 4 IndustryPack slots + SCSI-2 + 10 Mbps Ethernet, designed for harsh industrial environments, railway transit, military, aerospace and mission-critical real-time embedded VMEbus systems requiring floating-point computation and wide temperature operation.

2. Core Specifications

  • Processor: MC68040 @ 25 MHz, with FPU, 8KB internal cache and MMU

  • Main DRAM: 4 MB parity-checked DRAM, expandable to 8 MB

  • Battery-backed SRAM: 512 KB

  • Flash Memory: 1 MB for 162BUG boot monitor firmware

  • NVRAM / RTC: 8 KB non-volatile RAM with real-time clock, battery backup

  • VMEbus: A32/D32/D64, master/slave mode, system controller capable

3. Onboard Interfaces

  • IndustryPack: 4 single-width IP slots for analog, digital, serial and fieldbus I/O modules

  • SCSI-2: 50-pin narrow SCSI-2 interface with DMA, supports SCSI storage peripherals

  • Ethernet: 10 Mbps, AUI and 10BASE-T dual interface

  • Serial Ports:

    • 1 × Console port: EIA-232-D

    • 1 × Configurable port: EIA-232-D / EIA-530

  • Peripherals: Multi-channel programmable timer and hardware watchdog timer

  • Front Panel: Status LED indicators, Reset switch and Abort switch

4. Mechanical & Environmental Characteristics

  • Form Factor: 6U VMEbus single slot

  • Operating Temperature: -40°C ~ +85°C rugged wide-temperature grade

  • Storage Temperature: -40°C ~ +85°C

  • Humidity: 5% ~ 95%, non-condensing

  • Rugged Features:

    • Industrial wide-temperature component screening

    • Enhanced power supply filtering and EMC interference immunity

    • Improved vibration and shock tolerance

    • Suitable for extreme temperature and strong electromagnetic interference environments

5. Firmware & Software Support

  • Boot Monitor: 162BUG firmware

  • Supported Operating Systems: VxWorks, LynxOS, OS-9, pSOS+ and other real-time operating systems

  • Main Functions: Power-on self-test, memory/VME address mapping, serial console debug, SCSI / Ethernet / IP module configuration, watchdog management

6. Model Feature Definition

MVME162-026A：
4IP + SCSI-2 + Ethernet + MC68040 with FPU + wide temperature rugged version

7. Typical Applications

  • Rugged industrial VME systems with full I/O, network and local storage

  • Railway, aerospace and military embedded control systems

  • Real-time data acquisition and floating-point algorithm operation

  • Replacement and upgrade for legacy high-end MVME162 series SBCs

8. Maintenance Notes

  • Replace the onboard backup battery regularly to avoid SRAM and RTC data loss

  • Configure VME master-slave mode, IP address mapping and SCSI ID via onboard jumpers

  • Check SCSI termination resistance, Ethernet connection and IP module installation before power-on


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