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Key Technical Specifications
- Model: MVME5100 01-W3518F-15C
- Manufacturer: Motorola (Emerson)
- Product family: MVME5100 PowerPlus II VME Processor Modules
- Microprocessor: MPC750 at 450 MHz (PowerPC Architecture)
- L1 cache: 32 KB / 32 KB
- L2 cache: 1 MB backside secondary cache
- Frontside bus: 100 MHz
- On-board memory: Up to 512 MB ECC SDRAM
- Flash memory: 17 MB
- PCI throughput: 264 MB/s (PowerPlus II Architecture)
- PMC slots: Dual IEEE P1386.1 32/64-bit PMC expansion slots
- PCI mezzanine: 64-bit PCI expansion mezzanine connector (up to 4 PMCs)
- Serial ports: Dual 16550-compatible async serial ports
- Ethernet: Dual 10BaseT/100BaseTX Ethernet
- NVRAM: 32 KB with time-of-day clock and replaceable battery
- Timers: Four 32-bit timers + one watchdog timer
- Debug: On-board debug monitor
- VME slot usage: Single VME slot even with two PMC modules and both memory mezzanines
- Front panel options: VME Scanbe (-xxx1) or IEEE 1101 compatible (-xxx3)
- Temperature range: Commercial 0 to 55°C; extended -20 to 71°C (model-dependent)
- Bus standard: VME/VME64
Product Introduction
Motorola MVME5100 01-W3518F-15C is a PowerPC-based VMEbus single-board computer from the PowerPlus II Architecture line. It delivers high-performance processing in legacy VME racks used in industrial control, defense, and test systems, with dual Ethernet, PMC slots, and substantial ECC memory.
This board is chosen when a system needs strong CPU performance without replacing the entire VME chassis. Buyers prioritize exact processor speed, memory size, flash capacity, and firmware/OS compatibility (VxWorks, OS-9) to avoid boot or driver failures in the field.
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No power LEDs, no boot | Missing backplane power or failed board | ✅ High | Measure VME rails (5 V, 12 V, -12 V) at the slot with a multimeter | If rails are correct and no LEDs, the SBC may be faulty |
| Boots but hangs early | Memory mismatch or firmware issue | ✅ High | Check installed SDRAM size and compare firmware version to the original system spec | Match memory and firmware before swapping the card |
| PMC modules not detected | PMC slot seating or power issue | ⚠️ Medium | Reseat PMC modules, verify PMC power rails, and check slot contacts | Clean contacts and reseat firmly; test with known-good PMC |
| Ethernet link fails | Cable, switch, or board PHY fault | ✅ High | Swap cable, test another switch port, and verify link LEDs on both Ethernet ports | If link still fails, the Ethernet PHY may be damaged |
| Serial port not responding | Wrong UART config or cable pinout | ⚠️ Medium | Check baud rate, parity, and cable wiring; test with loopback | Verify serial settings before declaring board failure |
| Random resets under load | Power instability or thermal issue | ⚠️ Medium | Measure VME rails under load and monitor board temperature | Check crate PSU, grounding, and cooling; add buffer if needed |
| Debug monitor won’t start | Firmware corruption or boot config error | ✅ High | Compare boot configuration and firmware revision with a known-good board | Reload correct firmware or replace the board if it persists |
Contact technical support with clear photos of LEDs, PMC seating, and any diagnostic logs if the fault is unclear.
- MVME5100 01-W3518F-15C
- MVME5100 01-W3518F-15C
Frequently Asked Questions
Q: Is MVME5100 01-W3518F-15C the same as other MVME5100 variants?
A: No. MVME5100 has multiple part numbers with different CPU speeds (450 MHz vs. 500 MHz), cache sizes (1 MB vs. 2 MB), and front panel types (-xxx1 vs. -xxx3). Match the exact part number before swapping.
Q: Can I hot-swap this PowerPC SBC?
A: No. VMEbus PowerPC SBCs are not hot-swappable. Power down the crate before installing or removing the card to avoid backplane damage.
Q: Will my existing VxWorks driver work with this board?
A: Only if the driver and firmware version match. PowerPC VME SBCs often require specific VxWorks builds and kernel configs for the MPC750. Confirm the exact firmware before ordering.
Q: Why is this board cheaper than a new OEM part?
A: Because it’s obsolete and typically sold as new surplus or tested stock. New OEM units are no longer in mass production, so prices drop but availability is limited.
Q: What condition should I expect?
A: Most units are new surplus or tested. You’ll get a board that’s either unopened (surplus) or functional with prior use. Ask for test photos, firmware version, and status LED behavior before purchase.
Q: Does this board support extended temperature?
A: Some MVME5100 variants support -20 to 71°C, but the standard commercial version is 0 to 55°C. Verify the exact temperature rating for 01-W3518F-15C before deploying in harsh environments.
Q: What warranty do suppliers usually offer?
A: Common warranties range from 90 days to 365 days. Check the specific supplier’s terms, as obsolete stock often carries shorter coverage than new production.
