MVME188A
May 15, 2026

MVME188A

I. Product Introduction MVME188A is a 6U VME, dual-height (2-height) multi-processor RISC SBC from Motorola (now Emerson), belonging to the MVME188 series. It uses the MC88100 RISC processor (88000 architecture) and is designed for multi-CPU parallel processing, high floating-point performance, military/supercalculating, and high-end real-time control. It is a rare original multi-processor high-end model from the VME era. 188A: Model Number (6U VME, multi-processor, 88K RISC) Core: 1-4 × MC88100 25MHz + up to 8 × MC88204 CMMU (HYPERmodule daughter card) Positioning: The successor to MVME172/167PA for multi-processor flagship, dedicated for military/aerospace/supercalculating, top spare parts for old projects

Description

II. Parameters (Full Version, Can Be Copied Directly)

1. Processor (The Most Outstanding Feature)

CPU: Motorola MC88100 RISC, 25MHz, 1 to 4 (Multi-processor)

Co-processor: Up to 8×MC88204 CMMU (Cache / MMU)

Architecture: 88000 Series, Hardware Floating Point, Multiple Threads, Parallel Execution

L1: 16KB Instructions + 16KB Data per core

2. Memory

Built-in DRAM: Up to 512MB (128MB/256MB/512MB selectable)

Flash: 4MB NOR Flash (Firmware / System)

SRAM: 1MB Battery Backup SRAM

3. Built-in I/O (Standard Configuration)

Ethernet: 1×10Mbps (AUI interface, 10/100Mbps selectable)

Serial Port: 2×RS-232 (DB9, SYSCON board)

SCSI: 1×Ultra SCSI-2 68pin (20MB/s)

VME Bus: VME64 A32/D32/D64, Master/Slave/System Controller, Multi-CPU DMA

Expansion: No PMC/IP Slot, Depends on HYPERmodule Subcard Expansion

Watchdog: Hardware WDT + Programmable Timer

RTC: Battery Backup, With NVRAM

4. Electrical Parameters

Power Supply: +5V @ 8A, +12V / –12V

Typical Power Consumption: 40~50W (Multi-processor, Higher than 172/167PA)

5. Environmental Parameters

Operating Temperature: 0℃ ~ +55℃ (Industrial Standard, Selectable –40~+85℃ Military Wide Temperature Version)

Storage Temperature: –40℃ ~ +85℃

Humidity: 5%~95% No Condensation

Hardening: Military Grade Anti-Vibration / Impact, Optional Three-Defense Coating

6. Physical Specifications

Size: 6U VME Dual High (233.4 × 320mm)

Structure: 3 to 4 VME Boards Stacked + HYPERmodule Subcard (Multi-Board Combination)

Weight: Approximately 2.0kg (Complete Set)

7. Software Compatibility

Operating System: VxWorks, LynxOS, 88K Real-Time Unix, Custom Military OS

Drivers: VME, Multi-CPU Parallel, SCSI, Serial Port, HYPERmodule Expansion

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