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SheepShaver is a Macintosh II emulator. The project homepage can be found here.

SheepShaver running Macintosh System 7.5.5


SheepShaver can run on the following platforms:

  • Linux (i386, ppc, x86_64)
  • MacOS X (i386, ppc), Darwin
  • NetBSD 2.0
  • FreeBSD 5.
  • Windows for x86


  • SheepShaver runs MacOS 7.5.2 thru MacOS 9.0.4
  • PowerPC G4 emulation on non-PowerPC platforms, direct execution otherwise
  • Basic but portable JIT engine (x86, x86_64, mips)
  • Copy and paste of text between MacOS and the host OS
  • File exchange with the host OS via a Unix icon on the Mac desktop
  • Color video display with support for run-time resolution switching
  • Run-time depth switching from 1 bpp to current host depth settings
  • Native QuickDraw 2D acceleration for BitBlt and FillRect operations
  • CD-quality stereo sound output
  • Networking: SheepShaver supports Internet and LAN networking via Ethernet and PPP with all Open Transport compatible MacOS applications
  • Note, you will need some kind of ROM from a PowerPC old world Macintosh.