утро. поставил с debian-6.0.1-i386-DVD-1.iso с графической оболочкой xfce.
dpkg-architecture
DEB_BUILD_ARCH=i386
DEB_BUILD_ARCH_OS=linux
DEB_BUILD_ARCH_CPU=i386
DEB_BUILD_ARCH_BITS=32
DEB_BUILD_ARCH_ENDIAN=little
DEB_BUILD_GNU_CPU=i486
DEB_BUILD_GNU_SYSTEM=linux-gnu
DEB_BUILD_GNU_TYPE=i486-linux-gnu
DEB_HOST_ARCH=i386
DEB_HOST_ARCH_OS=linux
DEB_HOST_ARCH_CPU=i386
DEB_HOST_ARCH_BITS=32
DEB_HOST_ARCH_ENDIAN=little
DEB_HOST_GNU_CPU=i486
DEB_HOST_GNU_SYSTEM=linux-gnu
DEB_HOST_GNU_TYPE=i486-linux-gnu
uname -a
Linux server1 2.6.32-5-amd64 #1 SMP Mon Oct 3 05:45:56 UTC 2011 x86_64 GNU/Linux