1. Motorola MVME51105E-2261 | Legacy Automation Computer

2. Unboxing & Physical Snapshot

• Model & Brand: Motorola MVME51105E-2261
• Product Type: 6U VMEbus single-board computer (SBC) from the Motorola MVME5100 series. This configuration uses a 500 MHz MPC7410 PowerPC processor, 512 MB ECC SDRAM, 17 MB flash memory, and 2 MB L2 cache with a VME Scanbe front panel.
• Approximate Physical Dimensions (W × H × D):
  • Standard 6U VME format
  • Approximately 233 × 160 mm board size
  • Depth depends on rear transition modules and PMC accessories.
• Estimated Shipping Weight: Approximately 0.38-0.50 kg for the processor board alone; packaged freight weight depends on ESD protection and carton configuration.
• What’s in the Box:
  • Motorola MVME51105E-2261 VME processor board
  • VME Scanbe front panel assembly
  • Installed MPC7410 processor
  • ECC SDRAM memory modules
  • Flash memory devices
  • Anti-static (ESD) shielding bag
  • Conductive foam support
  • Documentation package when supplied

3. Product Introduction

The Motorola MVME51105E-2261 installs into a 6U VME chassis backplane, where it functions as the embedded computing core for industrial and instrumentation systems. The board communicates through the VMEbus architecture while managing application execution, memory operations, and peripheral interfaces (which is critical for facilities maintaining long-life control platforms that cannot easily be migrated).

This controller is typically preserved as a strategic spare because replacing a VME-based computing platform may require software redevelopment, operating system validation, and system-level qualification. The MVME51105E-2261 includes a PowerPC processing architecture, ECC memory, flash storage, and expansion capability through PMC interfaces. Verify the firmware image, PMC configuration, memory population, and application environment before installation.

4. Core Technical Specifications

Parameter	Value
Manufacturer	Motorola
Model	MVME51105E-2261
Product Family	MVME5100 Series
Product Type	VMEbus Single Board Computer
Form Factor	6U VME
Front Panel Type	VME Scanbe front panel
Processor	Motorola MPC7410 PowerPC
Processor Frequency	500 MHz
L2 Cache	2 MB
SDRAM Memory	512 MB ECC SDRAM
Flash Memory	17 MB
VME Interface	VMEbus / VME64 compatible
Address Modes	A16/A24/A32
Data Transfer	D8/D16/D32 modes
PMC Expansion	Supported through PMC interfaces
Ethernet Interface	10/100 Ethernet (configuration dependent)
SCSI Support	Available through compatible I/O modules
Serial Interfaces	Available through rear I/O modules
Non-Volatile Memory	Battery-backed NVRAM
Operating System Support	VxWorks, Linux, QNX (application dependent)
Supply Voltage	+5 VDC from VME backplane
Typical Power Consumption	Approximately 20 W class
Heat Dissipation	Generated mainly by CPU, memory, and interface devices
Cooling Method	Forced-air VME chassis cooling
Operating Temperature	Commercial industrial range
Storage Temperature	Approximately -40°C to +85°C

Motorola MVME51105E-2261

5. ? Global Compliance & Industry Certifications

Expected regulatory considerations for the Motorola MVME51105E-2261 include:

• CE Mark: May apply when the board is installed inside a compliant equipment enclosure that satisfies EMC requirements.
• UL/cUL Recognition: Normally evaluated at the complete chassis or system level rather than the standalone VME board.
• RoHS Compliance: Original MVME5110 production occurred before current RoHS requirements became universal; verify the specific manufacturing revision.
• ATEX / IECEx: Not a standalone hazardous-area certified device. Hazardous-area use requires evaluation of the complete certified system.
• Marine Approvals (DNV GL): Applicable only when integrated into approved marine automation equipment.

Legacy VME computing assets require strong configuration control. Processor revision, firmware image, installed memory, and expansion hardware should remain documented to avoid audit discrepancies.

Verify specific lot certifications with OEM.

6. ? Long-Term Storage & Asset Preservation Guide

Keep the MVME51105E-2261 inside its original anti-static shielding bag during storage. The VME edge connector fingers, PowerPC processor package, and memory devices are sensitive to electrostatic discharge and contamination.

Maintain warehouse humidity below 60% RH. Avoid condensation cycles because moisture can create oxidation on connector contacts and cause intermittent boot failures.

Inspect stored boards every 12-24 months. Check the front panel hardware, injector/ejector handles, VME connector surfaces, battery-backed memory area, and date codes. Before installation, perform a controlled power-up test and verify the stored firmware matches the operational system requirements.

7. Physical Installation Prerequisites

• Install the MVME51105E-2261 only in a compatible 6U VME chassis.
• Confirm the backplane supports required VME64 communication modes.
• Verify chassis airflow before energizing the processor board.
• Maintain unobstructed airflow through the card cage.
• Inspect VME connectors for oxidation or mechanical damage.
• Confirm chassis grounding and protective earth bonding.
• Verify backplane power availability:
  • +5 VDC primary supply
  • Additional rails if required by installed accessories
• Confirm PMC modules and rear transition hardware compatibility.
• Verify boot firmware, operating system image, and application software before commissioning.

8. Buyer’s FAQ (Logistics & Compliance Focus)

Q: What HS Tariff Code is commonly used for a Motorola MVME51105E-2261 shipment?

A: VME single-board computers are commonly reviewed under HS classifications associated with electronic computing assemblies, often within HS 8471 or related electronic board categories. Final classification depends on customs interpretation and declared product function.

Q: Why does Country of Origin (COO) documentation matter for this controller board?

A: COO records support customs clearance, asset traceability, warranty documentation, and maintenance history. Refurbished VME inventory should retain manufacturer identification, refurbishment records, and shipment origin details.

Q: Should this PowerPC VME board ship with insurance coverage?

A: Recommended. The board contains high-density memory devices, processor circuitry, and precision VME connectors. Shock, vibration, or moisture exposure may create failures that appear only during system startup.

Q: Does the MVME51105E-2261 include the latest firmware pre-loaded?

A: Firmware depends on the installed flash contents and previous service history. The board may contain factory PPCBug firmware, but application software, operating system images, and customer-specific configurations must be verified before replacement.