System 1 should boot within the Mini vMac window.

Select the System 1 disk image and click the Open button.ħ. To select a startup disk, click on the File menu and select Open Disk Image…Ħ. By default, no startup disk option is selected so a window will open and display a floppy disk icon with a blinking question mark.ĥ. Note: Having all three in the same directory is necessary so that the ROM file is automatically detected when Mini vMac launches the OS from the System 1 disk image.Ĥ. Put Mini vMac, the System 1 disk image and the ROM file together in one directory. I recommend using The Unarchiver to uncompress these files.ģ. The System 1 disk image and ROM file are compressed using a Stuffit archive format which OS X’s built-in decompression utility is unable to open. Uncompress the System 1 disk image and ROM file. Download Mini vMac, the System 1 disk image, and the Mac ROM file.Ģ. Emulation notes: To run MacOS 8.6 on newer hardware, we recommend the SheepShaver emulator, which emulates a PowerPC Macintosh. Apple offered a free update to 8.6 for users of 8.5 and 8.5.1. With this information, I was able to get System 1 up and running inside of the Mini vMac emulator. 8.6 was a minor release that mainly increased stability and increased battery life on laptops.

Mac os 6 emulator os x