QEMU Windows Port in the Works

QEMU, the free software PC emulator available, has a Win32 port (and another CygWin port) pending commit (screenshot). The port is "only" for the emulation of a complete x86 PC (QEMU supports two other modes too), and that is initially also the only mode considered.

FreeBSD 5.2.1 on SPARC64

FreeBSD has a solid reputation in terms of features and performance on x86, powering sites from Hotmail to Yahoo, yet it doesn't tend to be the first (or even second) OS that comes to mind with many people when thinking of Solaris alternatives for the SPARC platform.

A Developer’s Guide to the PowerPC Architecture

PowerPC processors are found in everything from supercomputers to game consoles and from servers to cell phones -- and they all share a common architecture. This introduction to the PowerPC application-level programming model will give you an overview of the instruction set, important registers, and other details necessary for developing reliable, high performing PowerPC applications and maintaining code compatibility among processors.