The Abaco Systems CR5 the next generation of rugged 3U CompactPCI Single Board Computers offering an Intel Core 2 Duo LV processor that features 65 nm technology with processing speeds up to 1.5 GHz. This Intel processor delivers two complete execution cores in one processor package that share a 667 MHz front-side bus (FSB) and 4 Mbyte of L2 cache. The 3100 MICH supports up to 2 Gbyte DDR2 SDRAM with ECC, 1-lane and 4-lane PCI-express Interfaces, two USB 2.0 ports, two COM ports, and one internal and two external serial ATA ports. The CR5 also features a custom mezzanine board providing CompactFlash and SVGA. For general status and control capability, the CR5 provides eight programmable General-purpose I/O (GPIO) lines with separate Interrupts and Interrupt masking.