The Emerson/Motorola MVME3604 is a 6U VMEbus board-level computer combining a base I/O module with a PM604 processor-memory module. Designed for industrial, military, and aerospace applications, this VME64-compliant system delivers modular PowerPC computing with scalable processor configurations and integrated networking and mass storage interfaces. The architecture supports processor upgrades and multi-slot expansion, enabling customized deployments in demanding real-time environments.
## Technical Specifications
**MVME3604 Base I/O Module**
• Form Factor: 6U VMEbus
• VME Interface: VME64, 64-bit, 33 MHz PCI local bus
• Expansion: 64-bit PMC slot (IEEE P1386.1), 64-bit PCI Mezzanine Connector
• Front Panel: Keyboard, mouse, floppy/LED, SVGA (2 MB video memory)
• Memory: 8 KB × 8 NVRAM with battery-backed time-of-day clock
• Timers: Four 32-bit timers plus watchdog timer
**PM604 Processor Memory Module**
• Processor: Single PowerPC 604 at 200 MHz, 300 MHz, or 400 MHz
• L2 Cache: 512 KB per processor
• DRAM: 64 MB ECC soldered on-board; expandable to 1 GB using optional RAM201 modules
• Flash: 4–9 MB on-board
• Connectivity: Secondary Ethernet, SCSI, 64-bit PCI, secondary PCI connector for expansion carriers
**System Compliance**
• VME64 specification (ANSI/VITA 1-1994, IEEE STD 1014)
• PowerPlus II architecture
## Key Features
• Modular two-slot design supporting processor and memory module upgrades
• 64-bit PCI local bus at 33 MHz for high-bandwidth I/O
• Multiprocessor scalability for enhanced compute capacity
• Integrated Ethernet and SCSI interfaces
• ECC DRAM for fault tolerance in critical applications
• Synchronous and asynchronous serial port support
• PMC expansion for custom I/O cards and peripherals
## Typical Applications
Industrial automation controllers, military avionics systems, aerospace instrumentation, real-time data acquisition platforms, and embedded systems requiring VMEbus standardization and long-term availability.
## Compatibility & Integration
Full VME64 compliance enables integration into existing VMEbus chassis. PCI Mezzanine Connector supports standard PMC cards. Motorola PMCspan carriers and compatible expansion modules integrate directly into the processor memory module.
