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Infinite Mac has added browser-based access to several BeOS versions for Power Macintosh systems, using the DingusPPC emulator. The work also addressed compatibility bugs in the emulator and made it possible to use features such as saved disk space and virtual CD-ROMs.
Infinite Mac now lets visitors run multiple Power Macintosh versions of BeOS in a web browser, giving users a way to explore an operating system that Apple considered acquiring during its search for a successor to classic Mac OS. The release also follows a series of compatibility fixes to DingusPPC, the emulator that runs the software.
The new BeOS setups are designed to work like the Mac systems already available on Infinite Mac. According to the project’s report, users can boot an installation, access preinstalled software through Infinite HD, insert CD-ROM images from the Internet Archive, and store work on a “Saved HD” drive. Larger disk images are streamed rather than loaded all at once. The site also adjusts the emulated system’s selected screen resolution to fit the browser window.
Adding the operating system required more than preparing disk images. The report describes fixes to keyboard, display, and disk compatibility in DingusPPC. For example, an Apple Desktop Bus emulation issue made BeOS behave as if modifier keys were held during startup, while display-depth changes could corrupt the image because BeOS notified emulated hardware in a different order than Mac OS did. Other fixes addressed early BeOS video-memory behavior and HFS volumes created for the browser environment.
The work also restored compatibility with SheepShaver, a Power Macintosh emulator that originated on BeOS and is itself included in Infinite Mac. The project’s author says a further DingusPPC fix was needed to model how the machine’s ROM mapped into physical memory. The report characterizes DingusPPC as already close to working before these changes and credits its maintainers.
A New Way to Explore BeOS
The addition gives users access to an operating system that is less familiar than classic Mac OS but closely tied to Apple’s mid-1990s platform history. BeOS was built for multimedia and multitasking, and Be ported it to Power Macintosh computers. Apple considered acquiring Be as it looked for a next-generation operating system, making a browser-based version useful to people interested in the alternatives Apple weighed before its later direction took shape.
There is also a technical result beyond the new site feature. The report says BeOS exercised hardware-emulation paths that had received less attention when DingusPPC was mainly used to run Mac OS. Fixes prompted by the new guest operating system may improve the emulator’s accuracy more broadly. The author says the work could also help future efforts to run other systems, including MkLinux and Rhapsody; that is a stated hope, not a promise that either system is now supported.
For readers, the practical significance is that trying the software no longer requires locating vintage Power Mac hardware or configuring a local emulator. Browser access lowers that barrier, while saved storage and virtual media make the experience more than a static demonstration. It remains an emulated historical environment, however, rather than a supported modern BeOS product.
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BeOS on Power Macintosh
BeOS began as a multimedia-focused operating system developed by Be, Inc. The report identifies Developer Release 8.2 as the initial BeOS release for Power Macs. That version included a time limit that prevented it from booting after April 1, 1997, according to the project author. The stated reason was that the release included a licensed font renderer Be could not distribute indefinitely. BeOS DR8.3 addressed the issue; Infinite Mac uses custom date support to make DR8.2 bootable when a user selects that version.
Infinite Mac is a browser-based collection of classic Macintosh systems spanning 1984 to 2005, according to its creator. Its existing emulator setup already included DingusPPC and SheepShaver. The author had previously used BeOS on a Power Macintosh 8500, but says bringing the system to the site exposed bugs that were easy to miss when testing primarily against Mac OS.
The report also gives the author’s present-day impressions: BeOS starts and responds quickly, and its POSIX subsystem and Unix-like shell remain accessible through the terminal. Those are personal observations, not results from a formal performance comparison. The article points readers to historical magazine coverage and a Be-produced walkthrough for more period-specific views of the operating system.
Limits of the Compatibility Claim
The report does not list every BeOS version available, provide a full compatibility matrix, or specify which applications and peripherals have been tested. It also does not independently compare the claim that DingusPPC may be the only emulator able to run PowerPC BeOS. The author presents that as a belief, so it should not be treated as a verified industry-wide finding.
Browser emulation can differ from using the original hardware, and the announcement does not quantify performance, reliability, or compatibility across browsers and devices. It is also unclear when, or whether, the proposed work on MkLinux and Rhapsody will begin. The account of BeOS’s speed and usability is the author’s experience, not a controlled comparison with period Mac OS releases.
Further Systems and Testing
Visitors can try the BeOS installations through Infinite Mac, including the available disk and virtual-media features described in the project report. The next developments will depend on further emulator and site work. The creator has expressed interest in using the compatibility improvements to pursue MkLinux and Rhapsody, but has not announced a timetable or confirmed that either will be added.
Further reports from users and testing across the available BeOS releases may clarify which configurations work best and where limitations remain. For now, the confirmed development is the addition of BeOS to Infinite Mac and the compatibility work needed to run it—not a broader release plan for other operating systems.
Key Questions
What is new on Infinite Mac?
The site has added browser-based setups for multiple Power Macintosh versions of BeOS, with disk, software, and virtual CD-ROM features described in the project report.
What emulator runs BeOS on the site?
The BeOS installations run through DingusPPC, a PowerPC emulator that Infinite Mac had already integrated. The project author reports making compatibility fixes to it.
Can users save their work?
Yes. The report says users can save work to a “Saved HD” drive. It also describes streamed large disks and CD-ROM images from the Internet Archive.
Is BeOS the only operating system being added?
BeOS is the release described in the announcement. The author says the work may help with future support for MkLinux or Rhapsody, but neither is confirmed as available.
Why does Developer Release 8.2 need a date adjustment?
According to the report, BeOS DR8.2 stopped booting after April 1, 1997 because it included a licensed font renderer Be could not distribute indefinitely. Infinite Mac uses custom date support to boot that release.
Source: blog.persistent.info
