On Friday, August 22, 2003, at 08:00 PM, Marten van de Kraats <[EMAIL PROTECTED]> wrote:
Or the opposite if you are booting a Mac 512K with an HD20 when holding the mouse button tells the Mac to treat the floppy disk as the active system...
I was under the impression Mac always tread floppy disks, when inserted at startup, as the startup disk. Is this different with the hd20 attached?
Yes, the Mac 512K and HD20 combination is different. There is no ROM support for the HD20 so you must boot from floppy. Half way through the boot process, the System Folder on the HD20 is activated and the boot floppy is ejected. Holding down the mouse button a Mac 512K prevents the floppy disk from ejecting and makes it the active system. The Plus and other non-FDHD Macs can boot from the HD20 directly and no boot floppy is required. Macs with FDHD ROMs (eg SE FDHD, SE/30 or an upgraded Mac II) should not use the HD20 or 400K floppy drives because the drive signals are changed.
Phil
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