MVME167PA-25SE (Motorola/Emerson 6U VME System Board Computer)

1. Model Positioning

PA: Protected / Conformal Coated Tri-Defense Enhanced Version (Waterproof, Mold-proof, Salt Spray-proof)

25: 800 MHz / 512MB / Wide Temperature -40℃ to +70℃

SE: Standard Extended (PMC + VGA Standard Expansion) 

The triple-proof reinforced version of MVME167P-25SE: With the same performance, the same I/O, and the same software, the entire board is coated for reinforcement, suitable for harsh industrial / outdoor / marine environments.

II. Core Hardware Parameters (Completely identical to P-25SE)

1) Processor

CPU: PowerPC 750FX, 800MHz

L1: 32KB Instructions + 32KB Data

L2: 512KB On-Chip Cache

Performance: Approximately 1200 MIPS, Hardware Floating Point

2) Memory

DRAM: 512MB SDRAM ECC (Built-in, Non-expandable)

Flash: 16MB NOR Flash (Firmware / System)

Optional Storage: 2.5" IDE / CompactFlash (CF)

3) Built-in I/O (Common to all models)

Ethernet: 2×10/100/1000Mbps Gigabit (RJ45)

Serial Ports: 2×RS-232 + 1×RS-422/485 (3 Ports)

Parallel: 1×IEEE 1284

USB: 1×USB 2.0 Host

PS/2: Keyboard / Mouse

Display: VGA, Maximum 1600×1200

VME: A32/D32, Master / Slave / System Controller

Expansion: 1×PMC Slot

WDT: Hardware Watchdog + Programmable Timer

4) Electrical and Environmental (PA = Robust + Three-Defense, Temperature same as P-25SE)

Power Supply: +5V/+3.3V/+12V; Typical 22W

Operating Temperature: -40℃ ～ +70℃ (Wide Temperature Industrial Grade)

Storage Temperature: -55℃ ～ +85℃

Humidity: 5%～95% No Condensation

PA Robust Features (Unique):

Full Board Three-Defense Coating (conformal coated), Anti-Vibration Strengthening, Connector Strengthening, Salt Spray / Humidity / Mold Resistance

5) Structure

Size: 6U VME (233.4×160mm), Single Height

Weight: Approximately 1.0kg (Slightly heavier than P-25SE, due to coating and reinforcement)

III. PA-25SE vs P-25SE (Key Differences)

MVME167P-25SE: Standard Version, No Three-Defense Coating, Ordinary Soldering / Connectors → General Industrial Environment

MVME167PA-25SE: Three-Defense Robust Version, Whole Board Coating + Anti-Vibration Strengthening → Harsh Industrial / Outdoor / Vehicle / Marine

Electrical / Performance / Software / Pins Fully Compatible, Can Be Directly Interchanged

IV. MVME167PA Series Overview (You Have Asked All Questions)

PA-24SE: 800MHz / 256MB / 0～60℃ / Three-Defense → Entry-Level Robust

PA-25SE: 800MHz / 512MB / -40～+70℃ / Three-Defense → Wide Temperature Robust (Current)

PA-34SE: 1GHz / 512MB / -40～+70℃ / Three-Defense → Main Frequency Robust

PA-35SE: 1GHz / 1GB / -55～+75℃ / Three-Defense → Full Top-of-the-Line Robust

PA-36SE: 1GHz / 1GB / -55～+85℃ / Military Anti-Vibration + Three-Defense → Ultimate Robust