On Feb 19, 2006, at 5:45 PM, Thomas Burns wrote:
Could you take the drive out and stick it in another machine and load
OS X on it and stick it back in the 1400?
No. This has nothing to do with installation, this has to do with how
the OS boots EVERY TIME you turn the system on or reboot it.
When the computer boots, the firmware on the boot PROM detects the
available devices and looks at your settings in PRAM, and finds the
operating system. Then it starts loading that OS, pulling in files
until the OS is ready to take over.
Then it turns control over to the OS.
Which goes "OK, let's find the hard disk. The boot PROM said I had a
PCI bus, with an IDE controller, and I'm loaded from partition 9 on
device 0... OK, let's start loading the rest of me".
Now, what happens if the system doesn't have a PCI bus? How's it going
to read anything from the disk? It can't even finish pulling in the
kernel modules... as soon as it starts it's going to go "Whiskey Tango
Foxtrot... I don't know how to use this bus! PANIC!".
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