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Testing MacOS on the Apple Network Server 2.0 ROMs
May 4, 2026
Posted 3 hours ago by
Earlier this year, Mac OS and Windows NT-capable ROMs were discovered for Apple’s unique AIX Network Server. Cameron Kaiser has since spent more time digging into just how capable these ROMs are, and has published another one of his detailed stories about his efforts. Well, thanks to Jeff Walther who generously built a few replica ROM SIMMs for me to test, we can now try the “2.0” MacOS ROMs on holmstock, our hard-working Apple Network Server 700 test rig (stockholm, my original ANS 500, is still officially a production unit).
And there are some interesting things to report, especially when we pit the preproduction ROMs and this set head-to-head in MacBench, and even try booting Rhapsody on it. Cameron Kaiser A great read, as always.
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