The Kontron/Thales/Cetia VMPC6a-450-64 is a VME64 single board computer built on one or two PowerPC 750 processors operating at 450 MHz, delivering 820 MIPS per processor. Designed for high-performance computing in industrial control, data acquisition, and communication systems, this single-slot VME card combines onboard processing with flexible expansion through PCI and PMC interfaces.
## Technical Specifications
**Processor and Performance**
• PowerPC 750 CPU: single or dual configuration
• Clock frequency: 450 MHz
• Performance: >21 SPECint95 and >13 SPECfp95 per processor; 820 MIPS per processor
• L2 Cache: 1 MB dedicated backside per processor on separate L2 cache bus
• Total cache per processor: 2 MB
**Memory Configuration**
• Global DRAM: 64 MB, 128 MB, 256 MB, or 512 MB onboard
• System Flash EPROM: 512 KB + 1 MB for initialization and OS boot
• User Flash memory: up to 32 MB
• NVRAM: 8 KB for board parameters
• Real-Time Clock: battery-backed NVRAM/RTC (standard on SA class, optional on RA/RC)
**Interfaces**
• VMEbus: VME64 (ANSI/VITA 1–1994) and VME64 Extensions (ANSI/VITA 1.1–1997) compliant; 64-bit data transfers
• Internal PCI: 32-bit, PCI Specification Revision 2.0
• External PCI: 64-bit PMC slot, 33 MHz or 66 MHz operation, 5V or 3.3V signaling, PCI Spec Revision 2.0
• Ethernet: onboard PCnet-PCI controller, 10/100BASE-T (ANSI 802.3)
• SCSI: onboard interface
• Serial: two RS-232 ports to 115.2 Kb/s
**Power**
• +5V supply (±5%, -2.5%)
• Single processor: 6.0 A maximum
• Dual processor: 8.2 A maximum
**Form Factor**
• Single VME slot; conduction-cooled and air-cooled variants available
## Key Features
• Dual-processor capability for parallel processing workloads
• Flexible memory expansion supporting up to 512 MB DRAM
• Separate L2 cache bus maximizes processor throughput
• 32 MB user Flash storage for embedded applications
• Battery-backed RTC for time-critical systems
## Typical Applications
Industrial automation, real-time data acquisition systems, embedded control platforms, communication infrastructure, and ruggedized computing environments requiring VME64 compliance.
## Compatibility & Integration
Full VME64 compliance enables deployment in standard VME backplanes. The 64-bit external PCI interface accommodates IEEE PCI Mezzanine Cards. Optional PMC carrier cards extend multi-card configurations. Onboard Ethernet and SCSI reduce dependency on external I/O modules.
