These are ROM dumps from v1.8 of the Radius Accelerator 16 for
Macintosh SE. These are 256k/32KiB ROMs that can be written to EPROMs
such as the 27C256 using a programmer tool such as a TL866II Plus.
This version is dated 07/09/87 internally. This is being uploaded for
archival purposes as the latest v2.1 ROM has better compatibility with
newer versions of the System Software, including System 7.

Compatibility
Architecture: 68k

This is compatible with the 16MHz 68020 version of the Radius
Accelerator 16 for the Mac SE. It is likely also compatible with the
25MHz version. It will boot System 6.0.8 on a Mac SE FDHD, but the
newer Radius software crashes when loaded. Older versions of the
Radius software/init report incompatibility with System 6. I suspect
this ROM is compatible with System 5 and earlier.

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