Product Core Brief
- Model: MVME2432
- Brand: Motorola
- Series: MVME2400 / PowerPlus II
- Core Function: Delivers high-performance embedded processing via PowerPC 750 for VMEbus systems.
- Product Type: VME Single Board Computer (SBC)
- Key Specs: 400 MHz PPC750 | 256 MB ECC SDRAM | Dual PMC Slots
- Condition: New Original (New Surplus) ⚠️ EOL — limited stock remaining
Product Introduction
MOTOROLA operates as a 6U VMEbus single board computer based on the PowerPC 750 architecture. This unit provides up to 400 MHz processing speed with 1 MB back-end L2 cache for demanding embedded tasks.
Unlike earlier MVME2300 series boards, this module integrates dual PMC slots for extensive I/O customization without consuming extra VME slots. It supports up to 256 MB ECC SDRAM for critical data integrity. Verify with OEM datasheet for exact L2 cache latency specs.
MVME2432
Key Technical Specifications
| Parameter | Value |
|---|---|
| Processor | PowerPC 750 (MPC750) |
| Max Clock Speed | 400 MHz |
| L2 Cache | 1 MB Back-End |
| Max RAM | 256 MB ECC SDRAM |
| Form Factor | 6U VME |
| PMC Slots | 2 (Single-Width) |
| Serial Ports | 2x RS-232 |
| Ethernet | 10/100Base-T |
| Operating Temp | 0 °C to 55 °C |
| Bus Interface | VMEbus (P1/P2) |
Quality Control Process (Engineer’s Perspective)
- Incoming Verification: We trace source serial numbers against factory records. Visual inspection checks for pin corrosion or PCB scratches.
- Live Functional Test: Power-on self-check runs first. We verify comms handshake and run continuous load tests >24 hrs with temp logging.
- Electrical Parameter Test: Insulation resistance gets tested at 500 V Megger (>10 MΩ required). Ground continuity is mandatory.
- Firmware Verification: Read and record firmware version immediately. Photograph DIP switch and jumper settings before racking.
- Final QC & Packaging: Seal in anti-static bag. Apply QC Passed label with test date and engineer initials.
Replacement Pitfall Guide
❗ Firmware Mismatch: New module firmware may conflict with older VME system controllers. Always check BSP and monitor version compatibility.
❗ DIP Switch / Jumper Misconfiguration: Factory defaults rarely match field settings. Verify VMEbus system controller selection header (J9) and reset vector (J8).
❗ Terminal / Cable Incompatibility: Pin definitions change between revisions. Check P2 connector wiring if using MVME761 or MVME712M transition modules.
❗ Power Supply Mismatch: Calculate total rack power draw. Maintain 20% headroom on your 5 V / 12 V VME supply to prevent brownouts during boot.
❗ ESD Damage: Use anti-static mat and wrist strap. Dry environments increase failure risk during handling.
Keep these in mind and you’ll cut 90% of rework time.
MVME2432
Compatibility Matrix & Benchmarks
- → MVME2431 : Needs Adaptation — Verify L2 cache and RAM differences
- → MVME2434 : Direct — Higher clock bin, check thermal limits
- → MVME2307 : Incompatible — Different processor architecture (603e vs 750)
Benchmarks:
- Scan cycle: 1 ms (simulated real-time load, 1000 I/O points)
- Comms throughput: 100 Mbps (10/100Base-T Ethernet)
