Intel Atom CPU - 32 or 64 bits?

I've been installing the latest test releases of openSuSE (11.2 Milestone 8) and Ubuntu (9.

I've been installing the latest test releases of openSuSE (11.2 Milestone 8) and Ubuntu (9.10, Karmic Koala Beta) on various of my computers. As the new HP Pavillion dv2-1010ez has an Athlon 64 Neo CPU, I started paying a bit more attention to when and where I could install 64-bit versions. The ones that turned out to be interesting were the Atom CPU systems - the ASUS N10J netbook, with an Atom N270, and the desktop mini-server with an Atom 330. It turns out that the desktop versions of the Atom CPU (230 and 330) have the 64-bit x86-64 architecture, while all the rest have the 32-bit x86 architecture.

jw