XPostFacto is an
open source
Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use and view the source code, design documents, or content of the product. The open source model is a decentrali ...
utility for
Mac OS 9 that enables the installation of
PowerPC
PowerPC (with the backronym Performance Optimization With Enhanced RISC – Performance Computing, sometimes abbreviated as PPC) is a reduced instruction set computer (RISC) instruction set architecture (ISA) created by the 1991 Apple Inc., App ...
versions of
Mac OS X
macOS, previously OS X and originally Mac OS X, is a Unix, Unix-based operating system developed and marketed by Apple Inc., Apple since 2001. It is the current operating system for Apple's Mac (computer), Mac computers. With ...
up to
Mac OS X v10.4 (Tiger), and
Darwin on some PowerPC-based
Apple Macintosh
Mac is a brand of personal computers designed and marketed by Apple Inc., Apple since 1984. The name is short for Macintosh (its official name until 1999), a reference to the McIntosh (apple), McIntosh apple. The current product lineup inclu ...
systems that are not officially supported by
Apple
An apple is a round, edible fruit produced by an apple tree (''Malus'' spp.). Fruit trees of the orchard or domestic apple (''Malus domestica''), the most widely grown in the genus, are agriculture, cultivated worldwide. The tree originated ...
. It was released in 2002.
Functions
XPostFacto allowed
Darwin, OS X, and
OS X Server run on unsupported Mac models. The OS X Installer would not run on machines without a G3, G4, G5, or
Intel
Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California, and Delaware General Corporation Law, incorporated in Delaware. Intel designs, manufactures, and sells computer compo ...
processor by default, but XPostFacto patched the installer to allow it to run.
A Mac OS 9 partition must be booted first. XPostFacto then runs in Mac OS 9 using an installation CD to install a version of OS X.
XPostFacto is available for free, but the company offered support for either $10 or $25.
Supported models
XPostFacto 4.0 works with pre-
G3 Macintosh models.
Beige box
Power Macs as old as upgraded
7300-era machines are supported.
Limited support was also available for
Performa 6400,
6500 models and
Twentieth Anniversary Macintosh with PowerPC G3 upgrade card.
Reception
Engadget
Engadget ( ) is a technology news, reviews and analysis website offering daily coverage of gadgets, consumer electronics, video games, gaming hardware, apps, social media, streaming, AI, space, robotics, electric vehicles and other potentially ...
gave XPostFacto a negative review for its slowness, stating it "runs like a limp turtle on our old iMac G3."
External links
XPostFacto on Macintosh RepositoryArchived copy of release announcement
Free system software
Macintosh software
2002 software
References
{{Reflist