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 embedded applications in naval, land-based, and airborne platforms. Built on the PowerPC Reference Platform (PReP) architecture, this SBC delivers computing with configurable ruggedization levels and thermal management options - air-cooled or conduction-cooled - for demanding operational environments.

Technical Specifications

• 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 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.