Product Core Brief
- Model: MOTOROLA MVME2434
- Brand: Motorola
- Series: MVME2400
- Core Function: High-performance VMEbus single-board computer for industrial control.
- Product Type: VME SBC
- Key Specs: PowerPC 750 400MHz | 256MB ECC SDRAM | Dual PMC
- Condition: New Surplus
Product Introduction
MOTOROLA MVME2434 operates as a high-performance VMEbus single-board computer. This industrial automation unit handles demanding data processing and real-time control tasks efficiently.
It leverages a 400MHz PowerPC 750 processor with PowerPlus II architecture. The board features 256MB ECC SDRAM and dual PMC sites for flexible I/O expansion.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Processor | Motorola PowerPC 750 |
| Max Clock Speed | 400 MHz |
| L1 Cache | 32KB Instruction + 32KB Data |
| L2 Cache | 1MB Backside |
| Memory | 32MB to 512MB ECC SDRAM |
| VME Protocol | VME64 / VME64x |
| Ethernet | Dual 10/100 Base-T |
| Serial Interfaces | 2x RS-232 |
| Expansion | 2x PMC Sites |
| Operating Temp | -40°C to +71°C |
Quality Control Process
We validate every MOTOROLA MVME2434 through comprehensive functional testing. First, we perform a cold boot sequence to verify firmware and VxWorks/Linux BSP integrity. Next, we run multi-pass memory diagnostics on the ECC SDRAM to catch bit flips. We validate both 10/100 Ethernet ports under sustained network load. Serial interfaces undergo loopback signal injection testing. Finally, we verify VME64 bus arbitration timing using a protocol analyzer. Each replacement module ships in anti-static packaging.
Replacement Pitfall Guide
❗ PMC Seating Force: The dual PMC sites use high-density connectors. Misalignment during installation bends pins permanently. Seat slowly and evenly.
❗ VME64x Backplane: This SBC supports VME64x. Older VME backplanes may not support 64-bit transfers, reducing bandwidth.
❗ ECC SDRAM Population: ECC memory requires specific DIMM population rules. Mixing sizes or types causes boot failures.
❗ Power Draw: The PowerPC 750 draws significant VME P1 power. Verify your backplane supply handles the load before insertion.
Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
| Original Model | Replacement / Successor Model | Compatibility Level | Migration Notes |
|---|---|---|---|
| MOTOROLA MVME2434 | MVME2400 Series | Direct Drop-In | Verify memory size config |
| MOTOROLA MVME2434 | MVME2434 (Same) | Direct Replacement | No config changes needed |
| MOTOROLA MVME2434 | MVME5500 Series | Needs Adaptation | Different VME protocol |
- VME Bus Throughput: VME64x supports up to 160MB/s bandwidth.
- Processor Performance: 400MHz PowerPC 750 with 1MB L2 cache.
