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MVME1600-001
MVME1600-001
MVME1600-001

Motorola MVME1600-001 VMEbus SBC Base Board

  • Model: MVME1600-001
  • Brand: Motorola
  • Series: MVME1600 / MVME1603 / MVME1604 Family
  • Core Function: VMEbus single-board computer platform
  • Product Type: VMEbus CPU Base Board
  • Key Specs: PowerPC architecture support, PMC expansion capability, VMEbus interface
  • ⚠️ Obsolete Model: Limited Stock Available
  • Condition: New Original / New Surplus
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Description

3. Key Technical Specifications

Parameter Value
Model MVME1600-001
Board Type VMEbus Base Board
Form Factor Double-Height VME Module
Processor Support PM603 or PM604 Processor/Memory Modules
CPU Architecture PowerPC 603 / PowerPC 604
Expansion Support PMC Mezzanine Card Support
DRAM Expansion RAM104 Expansion Compatible
Transition Module MVME760
VME Interface ANSI/IEEE 1014 VMEbus
Input Voltage +5 VDC ±5%
Current Consumption 2 A Typical, 3 A Maximum
Auxiliary Power +12 VDC, 100 mA Maximum
Operating Temperature 0 °C to 55 °C
Storage Temperature -40 °C to +85 °C
Relative Humidity 5% to 90% Non-Condensing
Board Dimensions 233 mm × 160 mm Base Board

The MVME1600-001 serves as the base platform for MVME1603 and MVME1604 single-board computer systems. Processor, memory, and optional PMC modules are installed as mezzanine assemblies on the base board.

 

4. Product Introduction

The Motorola MVME1600-001 is a VMEbus single-board computer base board used in the MVME1603 and MVME1604 embedded computing platforms. It provides the VMEbus interface, I/O infrastructure, PMC expansion capability, and support for PM603 or PM604 PowerPC processor modules.

In industrial control, defense, telecommunications, and scientific computing systems, the MVME1600-001 became a common platform because engineers could upgrade CPU performance by replacing mezzanine processor modules rather than the entire board. The architecture also supports DRAM expansion and PMC add-on hardware for application-specific requirements.

MVME1600-001
MVME1600-001
MVME1600-001
MVME1600-001

 

5. Installation & Configuration Guide

 

Stage 1: Pre-Installation Preparation (10 Minutes)

⚠️ Safety First

  1. Notify operations personnel of scheduled downtime.
  2. Verify the controlled equipment is in a safe state.
  3. Apply lockout/tagout procedures.
  4. Remove power from the VME chassis.
  5. Wait at least 5 minutes for power supplies to discharge.

Tools Required

  • ESD wrist strap
  • PH1 screwdriver
  • Fluke 115 multimeter
  • Label markers
  • Smartphone camera
  • Flashlight

Data Backup

  1. Export operating system and application configurations.
  2. Record VME slot assignments.
  3. Photograph all rear transition module connections.
  4. Document PMC and DRAM mezzanine configurations.
  5. Record firmware and boot monitor versions.

 

Stage 2: Removing the Old Module (5 Minutes)

  1. Disconnect network, serial, and transition-module cables.
  2. Label every connection.
  3. Release ejector handles.
  4. Pull the board straight out of the VME backplane.
  5. Place the board on an ESD-safe surface.

⚠️ Note

Do not discard the original board until the replacement passes full operational testing.

Inspection

  • Check VME connectors for bent pins.
  • Inspect PMC connectors.
  • Verify DRAM mezzanine sockets are undamaged.
  • Remove dust contamination.

 

Stage 3: Installing the New Module (10 Minutes)

Critical Steps

  1. Wear an ESD strap before touching the board.
  2. Verify the exact part number is MVME1600-001.
  3. Transfer processor, memory, and PMC modules if required.
  4. Duplicate all jumper settings exactly.
  5. Install the board into the VME card guides.
  6. Seat the board firmly into the backplane.
  7. Lock ejector handles.
  8. Reconnect all cables.

Configuration Clone (Crucial)

Many MVME1600 systems have custom field configurations.

Take photos before removal. I have seen maintenance teams spend an entire shift troubleshooting a board that was installed with one incorrect jumper position.

Self-Checklist

  • Board fully seated
  • Processor module installed
  • DRAM module installed
  • PMC module installed
  • Cabling verified
  • Jumper settings copied

 

Stage 4: Power-On & Testing (10 Minutes)

Pre-Power Check

  1. Verify +5 V rail integrity.
  2. Measure chassis supply voltages.
  3. Check for shorts between power and ground.

Startup Procedure

  1. Power the VME chassis.
  2. Observe front-panel LEDs.
  3. Access the boot monitor.
  4. Verify processor recognition.
  5. Verify installed memory.
  6. Test Ethernet connectivity.
  7. Verify SCSI functionality if installed.
  8. Confirm VMEbus communication.

⚠️ Troubleshooting Note

  • Solid fault LEDs frequently indicate processor mezzanine issues.
  • Boot failures often trace back to improperly seated PM603 or PM604 modules.
  • Communication failures commonly result from transition module mismatches.

 

6. Frequently Asked Questions (FAQ)

Q1. Can I hot-swap the MVME1600-001?

No.

The MVME1600 platform was not designed for hot insertion. Removing or inserting the board under power can damage both the module and the VME backplane.

Q2. Is the MVME1600-001 obsolete?

Yes.

Motorola discontinued the MVME1600 family many years ago. Current inventory is typically surplus stock, refurbished units, or recovered industrial spare parts.

Q3. Does the MVME1600-001 include a processor?

Not by itself.

The MVME1600-001 is a base board. It requires a PM603 or PM604 processor/memory mezzanine module to function as a complete single-board computer.

Q4. Which processors are compatible?

Supported processor modules include:

  • PM603 Series (PowerPC 603)
  • PM604 Series (PowerPC 604)

Compatibility depends on board revision and firmware level. Verify existing hardware before ordering.

Q5. What is the replacement if this board is unavailable?

The safest replacement is another MVME1600-001 of the same revision.

Although MVME1600-011 boards appear similar, their I/O implementation differs. Do not assume interchangeability without reviewing system documentation.

Q6. Will my software remain intact during replacement?

Usually yes.

Application software typically resides on storage devices or memory modules associated with the processor mezzanine. However, always perform backups before maintenance work.

Q7. Why do surplus units cost less than OEM pricing?

Most available inventory originates from:

  • Decommissioned industrial systems
  • Project surplus stock
  • Asset recovery programs
  • Legacy spare-parts inventories

Request photographs, serial numbers, and test documentation before purchasing.

 

Technical Pitfall & Survival Guide

❗ Firmware Revision Mismatch

I’ve seen a PowerPC module upgraded from one firmware release to another and suddenly the system stopped booting VxWorks correctly.

Avoidance: Record firmware versions before removal. Request matching revisions when sourcing replacements.

❗ DIP Switch / Jumper Misconfiguration

This remains one of the most common causes of startup failures.

Avoidance: Photograph every switch and jumper before touching the hardware.

❗ Terminal Block / Transition Module Incompatibility

MVME1600-001 typically uses the MVME760 transition module.

Installing the wrong transition hardware can produce communication failures that look like CPU faults.

Avoidance: Verify the rear transition module part number before commissioning.

❗ Power Consumption Planning

The base board itself requires approximately 2 A typical on the +5 V rail before processor and expansion modules are considered. Additional PMC and memory hardware increase power requirements.

Avoidance: Calculate total chassis power demand and maintain at least a 20% reserve margin.

❗ Electrostatic Discharge (ESD)

I once watched a technician replace a PowerPC mezzanine without grounding himself during winter maintenance. The board passed initial power-up and failed permanently during commissioning.

Avoidance: Use a grounded wrist strap and ESD mat whenever handling MVME1600 hardware.

Keep these checks in mind and you’ll save yourself 90% of typical rework time.

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