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Name: me too
Date: February 14, 2001 at 23:12:34
Subject: Re: FOSTER CPUID
In Reply To: Re: FOSTER CPUID by
J. on February 14, 2001 at 13:06:32
Text: || I still don't get it.
||
|| Why didn't they assign family=7 to both, the Itanium and the P4, and then
|| assign different extended family values to them?
||
|| Oh, and does NT really work on an Itanium?
||
|| No matter which way I look at it -- it's Intel's fault. Once again they
|| went with a crappy solution, causing everyone else pain.
|
| Windows NT has no knowledge of extended cpu family and masks out the most
| significant bit of family field nibble. Whose fault is that?

When you say NT, you mean NT4, right?

Since NT4 doesn't run on Itaniums, a P4 reporting family=7 should be ok.

Of course any newer Windows which supports both the P4 and the Itanium
would have to query the extended family field whenever it comes accross
a family=7 (Intel) processor.


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