In 1991, E-MU quietly released a Proteus OS update (v1.9.1) that some users claim enabled access to two parallel sound banks via a hidden SysEx command. Dubbed "Full Full" mode by gear forums, it allegedly merges the Proteus/1 Orchestral and Proteus/2 Vintage Synth ROMs into one 16MB monster.
: Includes new silkscreen DRC checks, integrated support for external repositories (Git/Subversion) in the Library Manager, and improved "Push and Shove" routing. Installation Methods proteus 91 full full