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Technology Stocks : Intel Corporation (INTC)

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Nov 21 9:30 AM EST

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To: Scumbria who wrote (105571)	7/13/2000 12:59:27 PM
From: Tenchusatsu	Read Replies (3) of 186894

Scumbria, <I thought that Itanium is supposed to provide full IA-32 compatibility in hardware.> It is, but that applies to 32-bit applications, not operating systems. IA-64 isn't able to just run shrink-wrapped IA-32 operating systems right out of the box. The interrupt structure is slightly different; the PAL and SAL (Processor and System Abstraction Layers) need to be specifically geared for IA-64; the kernel code needs to recognize some of the unique IA-64 processor features; and so on. But within the context of the IA-64 OS, 32-bit applications can be run without recompilation or emulation. Tenchusatsu

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