Cyrix Online - Software Developer Center

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Software Developer Center

The Software Developer Center has been designed for those computer professionals who are designing software technologies or systems for Cyrix processors. Hardware-related information can be found at the Hardware Design Center. You will need the Adobe® Acrobat Reader to view the PDF files.

New Information & Resources

Cyrix M2 CPU Software Identification (45 KB PDF file)(5 Feb 97)

Microprocessor Forum Presentation: Overview of the Cyrix M2 Microprocessor
(582 KB PDF file)

Hot Chips Presentation: Multimedia Instruction Set Extensions for a Sixth-Generation x86 Processor
(95 KB PDF file)

Processor Source Code

CPU Detection Code (35 KB ZIP file) (22 Jan 97)
CPU detection code for all Cyrix processors, including the M2 and MediaGX.
Note: Software identification code referring to the Gx86 (an internal Cyrix project name) should be replaced by the official product name, MediaGX.
CPU/FPU Identification (old version) (17 KB ZIP file)

Architecture and Optimization

6x86 Instruction Set Summary (403 KB PDF file)
For a complete listing of Cyrix processor data books and architectural documents, see the Technical Documentation page.

Talk to Cyrix
The E-mail addresses below are for software developer use only.
Please direct all other questions to Cyrix Technical Support.

Developer questions? Contact the Cyrix Software Development Group