Abaco Systems / Radstone PPC4A-755-1510B04 High-Performance Single Board Computer

The Abaco Systems / Radstone PPC4A-755-1510B04 is a 6U VME64 single board computer engineered for mission-critical embedded applications in naval, land-based, and airborne platforms. Built on the PowerPC Reference Platform (PReP) architecture, this SBC delivers high-performance computing with configurable ruggedization levels and thermal management options—air-cooled or conduction-cooled—for demanding operational environments.

– Technical Specifications

Processor & Cache
• PowerPC 755 @ 400 MHz or higher; 1 MB L2 Cache with private L2 Bus
• PowerPC 7410 @ 500 MHz or higher with AltiVec; 2 MB L2 Cache with private L2 Bus

Memory & Storage
• Up to 512 MB onboard SDRAM with ECC
• 64-bit data bus to SDRAM, 100 MHz clock via MPC107 bridge
• 64 MB 64-bit FLASH memory (paged, linear addressing, read/write)
• 512 KB User E2PROM

Expansion & Bus
• Two onboard PMC slots; carrier cards support up to 9 PMCs
• 64-bit PCI bus
• VME64 6U form factor with 5-row P0/P1 connectors (Type A or B)

I/O & Interfaces
• 10/100 BASE-T or 10 BASE-5 Ethernet
• Ultra SCSI
• Serial (up to 4 ports), Parallel, Keyboard, Mouse, Floppy
• Optional MIL-STD-1553 interface

Power
• PowerPC 755 @ 400 MHz: ~19 W typical
• PowerPC 7410 @ 500 MHz: ~20 W typical

Thermal
• Air-cooled and conduction-cooled variants
• Conduction-cooled: -40°C to +85°C extended temperature range

– Key Features

• Five ruggedization levels for platform-specific integration
• Radstone Built-In-Test (BIT) and SilverChip Firmware
• Board Support Packages for VxWorks/Tornado and LynxOS
• Third-party OS support: BlueCat Linux, RTEMS
• Scalable memory architecture with ECC protection

– Typical Applications

Naval combat systems, airborne avionics, land-based defense platforms, and other mission-critical embedded systems requiring high reliability and configurable thermal management.

– Compatibility & Integration

Full VME64 ecosystem integration with PMC expansion capability. Supports industry-standard operating systems and development frameworks including VxWorks, LynxOS, Linux, and RTEMS.