meaning of front end

1. front end 1. An intermediary computer that does set-up and filtering for another usually more powerful but less friendly machine a "back end". 2. Software that provides an interface to another program "behind" it, which may not be as user-friendly. Probably from analogy with hardware front-ends that interfaced with mainframes. [Jargon File] front-end processor FEP 1. A small computer necessary to enable an IBM mainframe using SNA to communicate beyond the limits of the dinosaur pen. 2. A small computer controlling the screen and keyboard of a Symbolics 3600 LISP Machine. front side bus FSB The bus via which a processor communicates with its RAM and chipset; one half of the Dual Independent Bus, the other half being the backside bus. The L2 cache is usually on the FSB, unless it is on the same chip as the processor [example?]. In PCI systems, the PCI bus runs at half the FSB speed. Intels Pentium 60 processor used a bus speed and processor speed of 60 MHz. All later processors have used multipliers to increase the internal clock speed while maintaining the same external clock speed, e. g. the Pentium 90 used a 1. 5x multiplier. Modern Socket 370 motherboards support multipliers from 4. 5x to 8. 0x, and FSB speeds from 50 MHz to a proposed 83 MHz standard. These higher speeds may cause problems with some PCI hardware. Altering the FSB speed and the multiplier ratio are the two main ways of overclocking processors. Toms Hardware - The Bus Speed Guide http://www. tomshardware. com/busspeed. html. Toms Hardware - The Overclocking Guide http://www. tomshardware. com/overclock. html.

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