Motorola MVME187

Product Name
Motorola MVME187 6U VME64 RISC single-board computer
Product Overview
MVME187 is a legacy industrial VMEbus single-board computer built around the Motorola MC88100 RISC processor. It is designed for real-time control, communication, and embedded computing in rugged industrial and defense-related systems.
Category:
Description
Processor
Motorola MC88100 RISC CPU at 25 MHz, with 33 MHz variants available. 8 KB instruction cache and 8 KB data cache.
Memory
4 MB base DRAM, expandable to 128 MB using memory mezzanine modules. Supports parity or ECC DRAM. On-board firmware flash for boot monitor.
Storage And Bus
SCSI-2 interface with DMA for disks and tape drives. VME64 bus with A32/D32 addressing, master/slave operation, block transfers, and chained DMA.
Network And I/O
10 Mbps AUI Ethernet with DMA. Four RS-232 serial ports. One Centronics/IEEE-1284 parallel port. Two IndustryPack slots or dedicated memory mezzanine support.
Firmware
187Bug boot monitor with network boot, disk boot, memory test, and online debugging.
Power Requirement
+5 V nominal, approximately 3 A typical. Typical power consumption around 15 W.
Operating Environment
0 °C to +70 °C operating temperature. Industrial-grade construction with FR-4 PCB.
Applications
Industrial automation, telecommunications control, military embedded systems, SCADA front-end processing, and legacy VME computing platforms.
Usage Notes
Use ECC memory for critical control tasks. Verify VME backplane termination before installation. Avoid hot insertion unless the chassis and firmware support it. Keep firmware backups before rewriting boot ROM.
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