Install Leopard on a PPC Mac from an external USB Drive

I'm trying to install Leopard in my eMac an external hard drive ( USB Samsung S2 500GB).
I restored an image of the leopard cd to my hard drive using Disk Util.
I boot in Open Firmware and a type this commands:
boot /pci@f2000000/usb1b,1/disk@1:,\\:tbxi
After this command the my system freezes and nothing else happens.

For some reason, my eMac/800 & eMac/1.42 can boot from USB Drives using Option key, but not Startup Disk pref Pane.
They also boot using the tbxi method, but searching for my notes on that as I think it only worked if you add in the Partition#.
Ah here's some of it, depends on how it was formated, ususlly 3, but 10 if OS9 drivers were installed...
Type setenv boot-device ud:3,\\:tbxi where the number after the colon corresponds to that partition number we found in step two. You should get an ok back.
Type printenv boot-device, and you should see the change displayed already. Something like:
boot-device ud:3,\\:tbxi hd:,\\:tbxi"
http://hints.macworld.com/article.php?story=20060301112336384
setenv boot-device ud:10,\\:tbxi

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That basically only applies to Mac OS X on PowerPC Macs, not on an Intel Mac such as a MacBook.
(37425)

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Janet.b wrote:
About 3 years old...pretty dated now I guess. Am thinking I may just need to have it upgraded by a Mac tech.
For what the Apple Store's charge you can buy almost buy a new computer.
Just for giggles I brought my old laptop in for a drive upgrade and asked, they wanted $600 for a drive that only cost $120 at the time and it was a slow 5,400 RPM drive. The new Mac's of a similar make were going for $1000.
I did the drive replacement myself, got a faster drive of better quality for $300 instead.
Then another time I asked for a RAM upgrade from 4GB to 8GB, they wanted to charge $400 + $35 for the labor.
The same RAM is on Crucial.com for $90 and all I need is a 00 micro phillips screwdriver.
So you see what's going on here.
I think what you should do, if your out of warranty/AppleCare, is to call up the local PC tech guy who also does Mac's and have them fix you right up.
They can offer more personalized care which you need. Clone your old drive to the new and everything.
With Apple they are overworked at the Genius Bar and just place roadblocks so you buy a new machine instead.
For instance, all new iMac's now have proprietary drive software installed on the hard drives for heat monitoring. So now the only choice a user has is to bring their iMac into a Apple Store for a very expensive drive upgrade, which a person then decides the money is better spent buying a new machine.

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I've just install windows using bootcamp. after that i restore that windows installed bootcamp volume to an GUID partitioned external HDD. Now it is shown in startup disc, but when i select that (external HDD) volume it is unable to start.
I don't know what to do? I just want to run windows from an external usb drive like i can run mac osx.
please help. thanks

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btw - what are the symptoms of your failing drive?
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Message was edited by: macjack

I want to dual boot Windows 8 on my 20-inch, Mid 2007 iMac, from an external USB drive.

I want to dual boot Windows 8 on my 20-inch, Mid 2007 iMac, from an external USB drive. The internal drive is completely dead, it doesn't even show up in Disk Utility. I'm running 10.8.2 from the external drive. When I start Boot Camp Assistant, at the Introduction page, when I press the continue button nothing happens. Do I have to have internal drive to run Boot Camp Assistant? Can anyone provide me with the steps to dual boot, with his setup? Thanks in advance!

Hi maczimillon,
Only follow these steps, it works for my:
Open "System Information" and note your "Boot ROM Version" (some like MBP51.007E.B06)
Navigate to "Utilities" in Finder and open the package contents of -BootCampAssistant.app- with right click. Duplicate the "Info.plist" file to the Desktop e.g. and open that with Text Editor.
You must locate the keys "DARequiredROMVersions"and "USBBootSupportedModels"
Add new strings with the information of your machine under booth keys (step 1), always respect the format, such as: <string>MBP51.007E.B06</string> for the frist key and <string>MBP51</string> for the second key.
Save changes and replace the original plist file (it may ask you to enter admin pass)
If you proceeded correctly you will see the checkbox "Create a Windows 7 USB install disk" enabled in Boot Camp Assistant.
Then you can follow the usual Boot Camp installation using your WIN8 DVD iso image . The assistant program will proceed resizing your disk partition and installing necessary drivers for your iMac.
I strongly recomends you to use thirld party's bootloaders like rEFInd (rEFIt) because of the Apple SMC versions of some old machines should not be able to boot properly from external devices like USB drives.

BOOT FROM AN EXTERNAL USB DRIVE???

I know apple has made it clear about booting from an external USB drive
http://docs.info.apple.com/article.html?artnum=106474
but I know that there are people who are able to boot from an external drive, does anybody know how to do this?
It's just that id like to work on final cut studio on an external drive for various reasons:
1st: my powerbook's HD is small and slow (60gb)
2nd: my external usb drive is big (160 gb) and fast (7200 RMPS!)
so a little help would be apreciated
best regards

"Actually, USB II is faster than FW 400."
In theory, probably. In real life Firewire 400 is much faster than USB2, not to speak of Firewire 800:
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I'm trying to upgrade from 10.2.8 to Tiger. How do I install Tiger from my external USB DVD drive? Tiger only comes on DVD and my G4 only has a CD ROM as an internal drive. Is there a way to boot from an external USB DVD drive?

bamim2,
you obviously just cracked some known hardware restrictions that not even Apple knew how to do: Don't start up from an external USB device.
The procedure you described is the standard procedure for the startup manager. However, as Apple's article explains this does NOT work with USB-devices on PowerPC (G3, G4, G5) based Macs.

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Not (yet?) with Solaris 10 x86, but it might work with current Solaris Express x86
releases.
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No application runs after booting from an external (USB) drive

Hi all,
my best hope is that I just embarrass myself with a blatantly obvious question instead of finding a real issue that will be resolved only in later updates. Here it is:
As I want to upgrade my hard drive in my good ol' MacBook, I wanted to backup my present boot HDD to an external USB drive (freshly formatted, HFS+ journaled, GUID partition table). I tried both SuperDuper! and Carbon Copy Cloner. In both cases, the backup/cloning process goes fine, and I can reboot into the external drive, and the OS starts (yes, with wifi working, even iStat menus, textExpander etc. initiating fine). But all applications (not those on the menu bar, though) crash and notify me of some thread having tried some invalid operation, or sometimes I even got some vague reference to kernel protection.
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(Just to inform the interested, I ran a fairly extensive cleaning-maintenance-rebuild cycle by the latest Onyx before starting all this, this should clean up the state of the OS pretty much. But I could not run DiskWarrior. Convince me if you think that this would solve the problem.)

Thanks Devin, I think my issue is a bit different.
I am 'long' past the 10.5.6 update (as long as possible), it did not crash, and Software Update checked what it wanted several times since then (as it is set to do so daily).
Thanks for the safe boot tip, I have not tried it yet, though I am skeptical why would this help applications starting up without breaking some kernel protection -- but only if I booted up from an external drive.
I repaired all I could before the cloning of the drive, only the deep maintenance of DiskWarrior was skipped. With the disk or the OS itself, I basically did what you can, even the stuff that you are rarely supposed to do. (Onyx is a great tool to do all these and more, freely.)
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Install Leopard on a PPC Mac from an external USB Drive

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