MVME162PA-244L | Basic Information (Motorola / Emerson / Abaco)

I. Basic Details

Model: MVME162PA-244L

Brand: Motorola / Emerson / Abaco Systems

Series: MVME162PA (6U VME SBC, 244 = 4IP Series)

Form: 6U VME Dual High Single Board Computer

Positioning: 25 MHz 68LC040 (without FPU), 16MB, 4×IndustryPack, Dual Ethernet, No SCSI, 0 - +70°C, Rugged, No Heat Sink

II. Core Hardware (244 Series Features)

CPU: MC68LC040, 25 MHz (no hardware FPU)

DRAM: 16MB (parity check)

SRAM: 512KB (battery backup, power-on data retention)

Flash: 1MB (162Bug firmware)

RTC/NVRAM: 8K×8, battery backup clock

III. Board-Supported I/O (Key Points: 4IP, dual network, no SCSI)

✅ Dual 10Mbps Ethernet (DMA)

✅ 2× Serial Ports (EIA-232-D, console + user)

✅ 4× IndustryPack (IP) expansion slots (independent DMA) - the biggest difference of 244

❌ No SCSI interface (244 series does not have SCSI)

✅ 6× 32-bit Timers + Watchdog

IV. Environment and Suffix (L = ruggedized; no S = normal temperature; no E = no heat dissipation)

Power Supply: +5V, typical 2.0~2.5A

Operating Temperature: 0°C ~ +70°C (normal industrial grade)

Ruggedization: ✅ Anti-vibration, reinforced welding (vibration environment)

Heat Dissipation: ❌ No original metal heat sink (rely on chassis air duct)

Wide Temperature: ❌ Does not support -40°C low temperature

Size / Weight: 6U VME, approximately 0.8kg (without heat sink)

V. 244 vs 242 Series (Most Commonly Asked by Customers)

242 Series: 2× IP, single network, 8MB, 68040 (with FPU),主打 "Simplified + Floating Point"

244 Series (your model)： 4× IP， dual network， 16MB， 68LC040 (without FPU)，主打 "Multiple Expansion + Dual Network"

Simple Memorization：

242 = 2IP + single network + FPU

244 = 4IP + dual network + no FPU + 16MB

VI. 244 Family Common Suffixes (Consistent with 242 Logic)

244： 0~+70°C， non-ruggedized， no heat dissipation → Standard Edition

244L： 0~+70°C， ruggedized， no heat dissipation → Normal Temperature Ruggedized (your model)

244E： -40~+85°C， non-ruggedized， no heat dissipation → Wide Temperature

244LE： -40~+85°C， ruggedized， no heat sink → Wide Temperature Ruggedized

244LSE： -40~+85°C， ruggedized， with heat sink → Wide Temperature Ruggedized with Heat Sink

Rule of Thumb： L = ruggedized， S = wide temperature， E = heat dissipation； 244 = 4IP + dual network + 16MB

VII. Typical Applications (Exclusive Scenarios for 244L)

Need 4 IP expansion cards (such as analog， digital， serial IP)

Dual network redundancy， high network reliability requirements

High vibration (vehicle / ship / rail)， normal temperature (0~70°C)

No hardware floating point， no SCSI， pursuing multiple I/O expansion

VIII. Compatibility and Replacement

Interchangeable within the same series： 244 / 244L / 244E / 244LE / 244LSE

Compatible with 242 series pins， but I/O resources are different (2IP ↔ 4IP， single network ↔ dual network)