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Freescale HPCN Evaluation and Development PlatformSupport for MPC8641D dual-core Power Architecture (PowerPC) processor

Freescale HPCN Evaluation and Development Platform
	v. 5.0
Architecture:	PowerPC / Power Architecture
Processor group:	Freescale MPC8640
Markets:	networks, industrial, military and aerospace
Please consult the board-support guide or contact us for specific platform features supported.

Freescale's HPCN is a high-performance computing, evaluation and development platform supporting the MPC8641D dual-core processor built on Power Architecture technology.

The MPC8641D processor uses two high-performance e600 cores running at up to 1.5 GHz. This three-issue machine has a compact 7-stage pipeline which is particularly efficient with code that branches unpredictably. It avoids the extensive delays associated with flushing a long pipeline on mispredicted branches. Unpredictable branching is typical of code paths driven by largely random arrival of different types of packets. These processors support up to 8 out-of-order instructions on the system bus that allows for making forward progress even while waiting for previous instructions to finish (ie, access to main memory required). The e600 has an on-board 128-bit vector processor for efficient data movement (useful for copying TCP payloads from kernel space to user space) and for math functions that rival a DSP.

HPCN is optimized to support the high-bandwidth memory ports for each processor core, as well as the two PCI-Express ports, one dedicated for graphics or other slot-based cards, and the other dedicated for Linux I/O with the ULI south-bridge.

HPCN is designed to the micro-ATX form-factor standard, allowing it to be used in 1U or 2U rack-mount chassis, as well as in a standard ATX/Micro-ATX chassis. Its modular design makes it highly configurable.