List of Super NES enhancement chips

The list of Super NES enhancement chips demonstrates the overall design plan for the Super Nintendo Entertainment System, whereby the console's hardware designers had made it easy to interface special coprocessor chips to the console. This standardized selection of chips was available to increase system performance and features for each game cartridge. As increasingly superior chips became available throughout the SNES's vintage market years, this strategy originally provided a cheaper and more versatile way of maintaining the system's market lifespan when compared to Nintendo's option of having included a much more expensive CPU or a more obsolete stock chipset.

As a result, various enhancement chips were integrated into the cartridges of select game titles. The presence of an enhancement chip is most often indicated by 16 additional pins on either side of the original pins, 8 to each side.

Super FX

The Super FX chip is a 16-bit supplemental RISC CPU developed by Argonaut Games that was included in certain game cartridges to perform functions that the main CPU can not feasibly do. It is typically programmed to act as a graphics accelerator chip that draws polygons to a frame buffer in the RAM sitting adjacent to it.

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SDD

SDD may refer to:

Computing

  • Software Design Description (IEEE 1016–2009), a standard that specifies the form of the document used to specify system architecture and application design in a software-related project
  • Software Design Document, a written outline of the development of a course or a description of a software product
  • Solution Deployment Descriptor, a proposed OASIS standard for software deployment, configuration and maintenance
  • Subsystem Device Driver, a multi-platform device driver designed to support the multipath configuration environments in IBM storage environments
  • Software Design and Development, an HSC subject in NSW that details the basics of designing and developing software applications
  • Syntax-Directed Definition - a context-free grammar with attributes and rules

    • Finances

  • SDD, for SEPA Direct Debit, a payment system in the Single Euro Payments Area in Europe
  • SDD, ISO code for the Sudanese dinar, the currency of Sudan 1992–2007, now replaced by the Sudanese pound

    • Science

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