Книга: Embedded Linux Primer: A Practical, Real-World Approach

3.1.1. IBM 970FX

3.1.1. IBM 970FX

The IBM 970FX processor core is a high-performance 64-bit capable stand-alone processor. The 970FX is a superscalar architecture. This means the core is capable of fetching, issuing, and obtaining results from more than one instruction at a time. This is done through a pipelining architecture, which provides the effect of multiple streams of instruction simultaneously. The IBM 970FX contains up to 25 stages of pipelining, depending on the instruction stream and operations contained therein.

Some of the key features of the 970FX are as follows:

• A 64-bit implementation of the popular PowerPC architecture

• Deeply pipelined design, for very-high-performance computing applications

• Static and dynamic power-management features

• Multiple sleep modes, to minimize power requirements and maximize battery life

• Dynamically adjustable clock rates, supporting lower-power modes

• Optimized for high-performance, low-latency storage management

The IBM 970FX has been incorporated into a number of high-end server blades and computing platforms, including IBM's own Blade Server platform.

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