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Home F.A.Q. AmigaOS 3.1.4 Can I mix OS 3.9 components with OS 3.1.4?

Can I mix OS 3.9 components with OS 3.1.4?

Typically, yes. There are a couple of caveats, though. In particular, if you use the OS 3.9 "Printer preferences" dialog, ensure that you delete ENVARC:sys/printergfx.prefs or the printer system will use the preferences from the OS 3.1.4 Preferences editor.

You also need to ensure that you use the OS 3.9 "prefs.catalog" instead of the one that comes with OS 3.1.4. But please bear in mind--and this goes for all programs within AmigaOS--that 3.9 catalogs are somewhat incompatible with both 3.1 and 3.1.4. Mixing components requires careful consideration when using languages other than English, or you will end up with misleading translations.

Also, if you decide to use long filenames, beware that RAWBInfo does not behave properly with these, so it is better to remove it from the WBStartup drawer.

AmigaOS 3.9 mount files will be overwritten by 3.1.4’s default counterparts, so some of them may need to be readjusted to meet your needs. This is clearly the case in CD0 (your CD-ROM device), as AmigaOS 3.1.4 has its own new CD-ROM filesystem, which by the way, won’t work with the previous OS 3.9 CD Prefs program called CacheCDFS.

Be warned that if you customized the tooltypes of some 3.9 programs, when installed, AmigaOS 3.1.4 will overwrite them with its new default settings.