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Forums » 64 Bit Windows in April? » Good; I'd like to try on my 64 bit Athlon laptop
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Win ver Linux 64 »
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salahx

join:2001-12-03
Saint Louis, MO

Re: Good; I'd like to try on my 64 bit Athlon lapt

Back when Windows 95 was introduced, and there was a lot of 16-bit Windows 3.1 code. In order to allow the 16-bit to call 32-bit code (and vice-versa), Windows used a technique called "thunking". This was part fo a facility knowns as WOW (Windows on Windows). So the 32/64-bit issues will probably be dealt with the same way.

Snickerdo
Premium
join:2001-02-28
Niagara Falls, ON

Re: Good; I'd like to try on my 64 bit Athlon lapt

said by salahx See Profile:

Back when Windows 95 was introduced, and there was a lot of 16-bit Windows 3.1 code. In order to allow the 16-bit to call 32-bit code (and vice-versa), Windows used a technique called "thunking". This was part fo a facility knowns as WOW (Windows on Windows). So the 32/64-bit issues will probably be dealt with the same way.
That's exactly how 32/64-bit will be dealt with in Win64. While there is a penalty from the thunking, it is extremely low, something like less than 1% in most situations. Still, my A64 3200+ flies with 32-bit XP, I can't wait to try the RTM of XP64 with some real driver support. As it stands now, I can't boot off RAID with RC1.
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