32-bit Kernel
flexo:~ bernd$ uname -a Darwin flexo.fritz.box 10.4.0 Darwin Kernel Version 10.4.0: Fri Apr 23 18:28:53 PDT 2010; root:xnu-1504.7.4~1/RELEASE_I386 i386
32-bit Kernel
flexo:~ bernd$ uname -a 1504.7. 4~1/RELEASE_ I386 i386
Darwin flexo.fritz.box 10.4.0 Darwin Kernel Version 10.4.0: Fri Apr 23 18:28:53 PDT 2010; root:xnu-