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What is 64 in IA 64?

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What is 64 in IA 64?

Mar 31st, 2009

Hello folks, am new to architecture.
Cud anyone of you tell me what is 64 in IA 64 architecture?
Thanks

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Re: What is 64 in IA 64?

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Mar 31st, 2009

It stands for Intel (Itanium) Architechture (64 bit)

Itaniums were 64 bit before 64 bit pentiums came along. People dont call it IA64 much more anymore because IA64 (meaning Itanium) is totally different from regular IA32 (x86) code and its 64 bit superset - x86_64, and the names could get confused.

Last edited by jbennet; Mar 31st, 2009 at 7:51 am.

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Re: What is 64 in IA 64?

Mar 31st, 2009

IA64 refers to the Intel IA64 processor/arch line (also called "Tiger"). They use EFI and not BIOS.

A 64-bit Xeon is actually of the x86 arch and not ia64. Other terms for 64-bit x86 archs: x86_64, EM64T (Intel)

Link to Intel's Itanium page: http://www.intel.com/products/proces...nium/index.htm

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