It requires a minimum of a 16-megaherz 80386, VGA, hard disk, two megabytes of memory, Windows 3.1 or Multimedia Extensions to Windows and a free 16-bit slot.
"64-bit and Multimedia Extensions in the PA-RISC 2.0 Architecture".
The Core Audio APIs are used to implement all other sound services in Vista; this includes Media Foundation, DirectSound, and legacy audio functions that date back to Windows 3.0 with Multimedia Extensions.
Multimedia Extensions (MME)
The file made its first appearance in Windows 3.0 with Multimedia Extensions, in a package deal (part of Media Music) from Passport Designs.
Windows 3.0 with Multimedia Extensions.
Windows 3.0 with Multimedia Extensions, or Windows 3.1.
A "multimedia" version, Windows 3.0 with Multimedia Extensions 1.0, was released later in 1991.
The Multimedia Extensions were released in autumn 1991 to support sound cards, as well as CD-ROM drives, which were then becoming increasingly available.
The Multimedia Extensions' new features were not available in Windows 3.0 real mode.