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Phone: +86 16626708626Description
Key Technical Specifications
- Processor: MPC603 PowerPC
- CPU Speed: 200 MHz
- Memory: 32 MB ECC DRAM
- Flash: 5 MB onboard flash
- Expansion: 2 PMC slots
- Ethernet: 10/100 Mb/s auto-negotiate interface
- VME Interface: A32/D32/BLT64 master-slave support
- System Controller: Yes, jumperable or auto-detect
- Power: +5 V input, approximately 7.5 W max
- Form Factor: 6U VME single-slot module
Product Introduction
Motorola MVME2302 is a 6U VME processor module built around a 200 MHz MPC603 PowerPC CPU with 32 MB ECC DRAM. It is used in legacy industrial control, test systems, and OEM VME racks where the exact board family and bus behavior matter.
This module is selected when a site needs a PowerPC-based replacement with onboard Ethernet, flash, and PMC expansion. The ECC memory, VME64-style bus support, and debug monitor make it a practical fit for older automation platforms that cannot tolerate architecture changes.
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to This Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No LEDs on power-up | Rack power issue, not module failure | ❌ Low | Measure +5 V at the VME slot and verify backplane fuse status | Check PSU and slot power before replacing the board |
| Boots to monitor but not application | Corrupt flash, wrong image, or configuration mismatch | ✅ High | Open the serial console and review boot output | Restore the correct flash image and jumper settings first |
| Ethernet link absent | Cable issue, port mismatch, or PHY fault | ✅ Medium | Check link LED and test with a known-good cable and switch port | Verify network option and physical interface revision |
| PMC cards not detected | Bad PMC module, slot power issue, or carrier incompatibility | ✅ Medium | Reseat the PMC and confirm slot power and connector seating | Check PMC type, I/O routing, and power budget |
| Random resets after warm-up | Thermal stress, weak power rail, or aging components | ✅ Medium | Measure rail ripple and monitor board temperature under load | Inspect cooling and supply stability before hardware swap |
| Serial console shows garbled text | Baud rate or terminal settings mismatch | ✅ Medium | Verify baud, parity, and stop bits against the original board | Match the site’s original console settings exactly |
Contact technical support with photos of the board, jumper positions, console output, and rack details if the fault is still unclear.
- MVME2302
- MVME2302
Frequently Asked Questions
Q: Is MVME2302 a direct replacement for every MVME2300 board?
A: No. It is a specific configuration with 32 MB ECC DRAM and 2 PMC slots. Match the exact suffix, CPU option, and I/O layout before ordering.
Q: Can I hot-swap this board?
A: No. Power down the rack first. Pulling a legacy VME CPU board live can stress the backplane and corrupt attached hardware.
Q: Will my existing software run on it?
A: Usually yes if the boot image, memory map, serial settings, and PMC hardware match the old board. The main risk is configuration drift, not the PowerPC CPU itself.
Q: Why is this cheaper than factory-new hardware?
A: Because MVME2302 is an obsolete legacy part. Most units available today are surplus, pulled from service, or refurbished, so pricing reflects availability and test status rather than current production.
Q: What condition should I expect?
A: Most sellers list it as New Surplus or Refurbished and tested. Ask for actual board photos, the serial number, and a test report before you buy.
Q: What are the common failure points?
A: Aging capacitors, flash corruption, battery-backed settings loss, and power or jumper mismatch. In the field, many “bad board” calls turn out to be setup issues.
Q: What warranty is realistic for a board like this?
A: Limited warranty is normal for surplus industrial electronics, often 30 to 365 days depending on seller policy and test depth. Get the warranty terms in writing before purchase.
