Alternatively, the flash chips can be removed from their sockets and reprogrammed using a standard EPROM programmer. #Mac 128k emulator updateThe utility program Flash Tool can update the flash ROM from within the running Mac. This will also give those machines native HD20 support, for use with Floppy Emu in HD20 hard disk emulation mode. If used with a Macintosh 128K or 512K, it will turn them into a 128Ke or 512Ke. The preprogrammed flash chips contain ROM code based upon the Mac Plus ROM. The 1 MB flash ROM includes 132K for ROM code, 28K for a custom startup sound, and up to 864K for a ROM disk image. If R is not pressed, the Macintosh will boot normally from an attached SCSI disk, or wait for a floppy disk to be inserted. To boot from the ROM disk, press and hold the R key on the keyboard for a few seconds. When first powered on, the Macintosh will play a customized startup sound, and display a “pirate Macintosh” icon. The ROM-inator hardware works on the Mac 128K, but modifying the flash ROM contents requires a second Macintosh or an external EPROM programmer. Mac 128K Owners: The Flash Tool utility program requires 192K of RAM, so it can’t run on an unmodified Mac 128K. #Mac 128k emulator softwareDue to the way the ROM-inator works, some software running on a ROM-inator-equipped Mac 128K or 512K may think it’s running on a Mac Plus. The Macintosh Plus, 512Ke, 512K, and 128K all support the Mac ROM-inator. Includes a variety of startup sounds, Happy Mac icons, disk images, and ROM code versions for use with ROM-inator.
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