MODE32 from Connectix was used to fix the "32-bit dirty" issue with the Macintosh SE/30, Macintosh II, Macintosh IIx and Macintosh IIcx which would otherwise not be able to address over 8MB RAM.
Downloads
- ftp://ftp.atlas.altexxa.net/software/mac/util/MODE32_7.5.sea.hqx - recommended for System 7.5 instead of any previous MODE32 version