# IA\-64

**IA\-64** is a 64\-bit microprocessor architecture developed conjointly by Intel and Hewlett Packard companies\. It is implemented in Itanium and Itanium 2 microprocessors\. Incompatible with [x86](https://pvs-studio.com/en/blog/terms/0060/) and [AMD64](https://pvs-studio.com/en/blog/terms/0006/) architectures\.

## References

1. Wikipedia\. [Itanium](https://en.wikipedia.org/wiki/Itanium)\.
1. [IA\-64 tutorial, including code examples\.](http://web.archive.org/web/20110706223150/http:/sverre.web.cern.ch/sverre/IA64_1.pdf)