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Mac OS 7 7.5

SystemSystem
edited April 2020 in Product Comments

imageMac OS 7 7.5

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Comments

  • NetcliffNetcliff

    This is the last version compatible with Mini vMac, right?

  • jonirobjonirob

    @Netcliff said:
    This is the last version compatible with Mini vMac, right?

    Yes, Mini vMac for System 0 to System 7.5.5 m68k

    Basilisk II for Mac OS 7.0 to Mac OS 8.1 m68k

    Sheepshaver for Mac OS 7.5.2 to Mac OS 9.0.4 ppc

    QEMU for Mac OS 9.0.4 to Mac OS X 10.5 ppc

  • NetcliffNetcliff

    @jonirob said:

    @Netcliff said:
    This is the last version compatible with Mini vMac, right?

    Yes, Mini vMac for System 0 to System 7.5.5 m68k

    Basilisk II for Mac OS 7.0 to Mac OS 8.1 m68k

    Sheepshaver for Mac OS 7.5.2 to Mac OS 9.0.4 ppc

    QEMU for Mac OS 9.0.4 to Mac OS X 10.5 ppc

    O.K. Thanks!

  • Siloboy987Siloboy987
    I got the bomb error while insertring the Mac OS System 7.5 first disk
  • jonirobjonirob
    edited February 2021

    @Siloboy987
    Which emulator are you using? Or are you using real hardware?

  • Siloboy987Siloboy987
    @jonirob Mini vMac.
  • Siloboy987Siloboy987
    Though, I wonder why the 7.1 disks works and the 7.5 didn't? is it an upgrade for System 7?
  • SomeGuySomeGuy
    It is possible that this specific disk set was not intended for all Macintosh machines. Apple was funny that way.

    The 7.5 disk 1 will boot on a Mini vMac configured for a Mac II. But it doesn't seem to like Mini vMac configured for Mac Plus.
  • Siloboy987Siloboy987
    Also, one thing I noticed is on Mini vMac are that the 7.5.3 and 7.5.5 disks asks for the disks and the Hard Disk. (Or 2 Disks at the same time) then the emulator crashes and the disk gets corrupt. any fix?
  • WinWhatWinWhat
    Mac OS 7.5.5 works fine on mini vmac (mac plus). You may want to install Mac OS 7.1, then upgrade to 7.5 -> 7.5.3 -> 7.5.5
  • jonirobjonirob
    edited October 2021
    The Mac OS 7.5 Mozart 7.5.B2C2 unique "Welcome to Macintosh" screen
    With a nod to former US president Theodore Roosevelt.


  • jonirobjonirob
    edited March 2022
    An interesting little Easter Egg in Mac OS 7.5. The Secret About Box, an arkanoid/breakout type game, where you get to "zap" all the 7.5 developers one by one.


  • helloisthispizzahuthelloisthispizzahut
    What ROM should I use for MacOS 7.5.5?
  • jonirobjonirob
    edited May 2022
    @helloisthispizzahut
    If you're installing 7.5.5 in Basilisk II, use a Performa ROM, In Sheepshaver use an Old World 4mb ROM.
  • helloisthispizzahuthelloisthispizzahut
    And how do I use the Mac OS 7.5 "Capone" build in mini vMac?
  • jonirobjonirob
    @helloisthispizzahut
    You need the Mini vMac Macintosh II application and a MacII.ROM. Place them in a folder with the Capone disk (renamed as disk1). Then double click the application and that's it.
  • jonirobjonirob
    The Apple Mac OS 7.5.3 Revision 2 (3.5-1.44mb) here is actually Revision 2.2.
    The third revision in the Mac OS 7.5.3 revision series, it was released on August 5 1996 with the Power Macintosh 9500/200. It also came pre-installed on the Power Macintosh 6300/160 and Performa 6360.


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