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I was wondering the same thing; I had to check on wikipedia that indeed consumer-grade 64 bit processors were on the market in 2003 (AMD Athlon 64). I also reme

I was wondering the same thing; I had to check on wikipedia that indeed consumer-grade 64 bit processors were on the market in 2003 (AMD Athlon 64). I also remember Windows XP and Mandriva had support for 64 bit processors at the time. This launch doesn't feel like the celebration it should be.

flyinghamster 11y ago
On the other hand, 64-bit XP wasn't really ready for prime time. Back in that era, I built up a system and was originally intending to run XP64 on it - until I read about its poor compatibility with the 32-bit world (especially drivers). I wound up returning the unopened XP64 and got 32-bit instead, which turned out to be the right call.
- yuhong 11y ago
  In retrospect, adding PAE support to XP SP2 would probably be less risky (though would still require new drivers).