Pentium computer module is small and fast

July 2004 Industrial Computer Hardware Security Services & Risk Management

Digital-Logic's SM855 is a further product in its high-performance smartModule series. The PC module is one of the smallest Pentium M processor modules for industrial applications. It is based on the Intel 855GME chipset with 400 MHz front side bus and uses a Pentium M processor with clock rates of up to 1,6 GHz. Equipped with a 1-Mbyte L2 cache this processor shows a capability comparable with a 2,4 GHz Pentium 4 processor. The main memory of the SM855 can be fitted individually with SODIMM components from 128 MB to 1024 MB of DDR RAM. CPU and memory are mounted exchangeable, but mechanically protected against vibrations and shocks. As all power saving functions of the 855 chipset are supported, the SM855 only consumes between 8 and 20 W.

The PC module is supplied by voltages of 5 and 3,3 V. It runs under operating systems such as Windows CE/98/2000/NT4, Linux, QNX, and RTXDOS. Equipped with a new Flash BIOS with dual BIOS option the SM855 allows booting of the operating system from different media such as hard disk, floppy disk, USB, IEEE 1394, PC Card, or LAN. The module operates from -20 to +50°C, but with a lower clock rate operates in the extended temperature range of -40 to +85°C.

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