MVME162-430 (Original Factory Product, 400 Series High-End I/O Type, 413 Upgrade Version)

Conclusion: MVME162-430 is the original Motorola/Emerson model (400 Series), an enhanced version of 413 with increased memory, featuring a high I/O configuration of 8MB memory + 4 IP slots, not a market-made model.

1. Original Factory Standard Configuration (Official Parameters of 430)

CPU: MC68LC040 @ 25 MHz (No FPU)

Form: 6U Dual High VME SBC

DRAM: 8 MB (Parity Check) (413 is 4MB)

SRAM: 512 KB (Battery Backup)

Flash: 1 MB

I/O:

10Base-T Ethernet (10 Mbps, with DMA)

Narrow SCSI (with DMA)

2×RS-232 Serial Ports

4×IndustryPack (IP) Slots (with DMA)

 Original Part Number: 01-W3960B17 / 01-W3960B54

II. 430 vs 413 (Key Difference: Memory Doubled) Table

Model CPU DRAM IP Slots SCSI / Ethernet Positioning

413 LC040@25 4MB 4 ✅ Standard I/O type

430 LC040@25 8MB 4 ✅ High-end I/O type

Common points: Both are dual high, without FPU, 4 IP slots, all interfaces (SCSI + Ethernet)

Differences: 430 doubles the memory (4MB → 8MB), suitable for larger programs / data caching

III. Positioning of 400 series (I/O expansion priority, no FPU)

410/412: Single high, 2 IP slots, no SCSI, entry-level I/O type

413: Dual high, 4 IP slots, all interfaces, standard I/O type

430: Dual high, 4 IP slots, 8MB memory, high-end I/O type

Commonality: 400 series all use LC040 (no FPU), does not support floating-point operations; requires FPU selection of 233/353

IV. Purchase and replacement suggestions

Replace 413: Direct replacement, memory doubles (4 → 8MB), performance improvement, pin / software fully compatible

Multiple I/O + large programs: Prioritize 430, 4 IP slots + 8MB memory, suitable for complex control / data acquisition systems

Floating-point operation requirement: Replace with 233 (8MB, with FPU) or 353 (16MB, with FPU)