Purchased a G5 with no hard drive

juicy 666

macrumors newbie
Original poster
Aug 6, 2012
2
0
Hi there. not 100% new to macs as i have a macbook and iphone. But....
I purchased a Powermac G5 1.8ghz tower from ebay that came with no hard drive. i have a copy of osx on a usb stick (tiger i believe) which im trying to boot from so i can install the os. basically just wanted to see if the thing worked before i purchase a copy of leopard but when i start it up it either has the pic of the mac with a question mark or alternativly a circular arrow and a straight arrow. so im stuck. dont want to buy newer software if its not going to work.

any ideas?

any help would be greatly appreciated.

Pete
 

garybUK

Guest
Jun 3, 2002
1,466
2
Not sure that g5's can boot from USB (might be wrong) could try a FireWire hard disk?
 

Dr-AL

macrumors newbie
Apr 10, 2011
12
0
Also make sure that the copy of tiger is universal or a PowerPC version.

I will echo the lack of USB boot support. Try booting from the FireWire port, yes that does limit your options a bit. I've previously just partitioned a hard drive with a small portion of it with a copy of a Mac OS X DVD so that I could use that to install on an old Xserve which had no DVD drive as I have nothing with FireWire.
 

juicy 666

macrumors newbie
Original poster
Aug 6, 2012
2
0
oki doki thats great. ill have to see if i can find some way of doing that. may just try and copy my usb to a dvd and see if it works that way. failing that ill just buy a disk i think!

Cheers for the help guys. much abliged!
 

Intell

macrumors P6
Jan 24, 2010
18,883
372
Inside
PowerMac G5's, like all other Macs made after the introduction of the slot-loading iMac and the Sawtooth G4, can boot from a USB drive. The version of Tiger you have must be a PowerPC version. There was no universal version of Tiger. The only operating system that was universal is Leopard.
 

Pompiliu

macrumors 6502a
Apr 22, 2012
544
0
Why would you buy a 6+ year old machine?

I wouldn't get one for free, ffs. :rolleyes:
 

Intell

macrumors P6
Jan 24, 2010
18,883
372
Inside
People purchase old computers for the same reason that people purchase 60 year old cars. They are fun to use and look great. I'd rather buy a 1950's Chevy than a modern thing.
 

Nameci

macrumors 68000
Oct 29, 2010
1,944
8
The Philippines...
People purchase old computers for the same reason that people purchase 60 year old cars. They are fun to use and look great. I'd rather buy a 1950's Chevy than a modern thing.
I more than agree.

And besides i really don't like to go from point A and point B in the shortest time possible. I like to cruise....

But mind you these old macs still has a lot of grunt remaining to power you from point A to point B on a decent time.
 

Nermal

Moderator
Staff member
Dec 7, 2002
18,718
1,200
New Zealand
The version of Tiger you have must be a PowerPC version. There was no universal version of Tiger.
The retail version Tiger was PPC-only, but it's definitely possible to have an Intel-only version as the first Intel Macs were introduced in the Tiger era. We don't know where this "USB version" of Tiger came from; it's possible that it's had Monolingual or similar run on it to remove the PPC code.

I suggest picking up a retail Tiger or Leopard DVD.
 

Intell

macrumors P6
Jan 24, 2010
18,883
372
Inside
I'm not saying that there are no Intell versions of Tiger. I'm saying that there was never a disc of Tiger that could install onto both a PowerPC and an Intell Mac. Even when Tiger was dropped, its updates where still either PowerPC or Intell updates. You could download a universal updater for both architectures, but it was almost twice the size.
 

Mengele

macrumors member
Aug 6, 2012
66
0
PPC machines cannot boot from a USB device without altering the OpenFirmware settings at bootup.
 

Intell

macrumors P6
Jan 24, 2010
18,883
372
Inside
PPC machines cannot boot from a USB device without altering the OpenFirmware settings at bootup.
It is not necessary to do anything in OpenFirmware to get a PowerPC Mac to boot from a USB device. All that you need to do it plug the drive in and select it from the Startup Disk pref pane or choose it from the boot menu that is accessed via pressing Option at boot. No OpenFirmware changing needed.
 

archtopshop

macrumors regular
Dec 13, 2011
206
1
It is not necessary to do anything in OpenFirmware to get a PowerPC Mac to boot from a USB device. All that you need to do it plug the drive in and select it from the Startup Disk pref pane or choose it from the boot menu that is accessed via pressing Option at boot. No OpenFirmware changing needed.
I've never tried it myself, but here's an Apple Support document that backs this statement up.

http://support.apple.com/kb/TA25908?viewlocale=en_US
 

Mengele

macrumors member
Aug 6, 2012
66
0
It is not necessary to do anything in OpenFirmware to get a PowerPC Mac to boot from a USB device.
That is false information.

FAIL! ^^^
did you not read the full thread, in particular my post #5?
Yes, you fail quite frequently based on your prior post history. I did read it and your post does not contain factual information.

Yep. That's the KB document I usually link to when people flat out say it cannot be done.
Sorry, you might gain some credibility if you have ever actually tried it.
I have a 700mhz iMac, Dual 1.2GHz G4, single-CPU PM1.6, dual core PM2.3 and Quad PM2.5. None will boot from USB without changing the Open Firmware setting first.
 

Nameci

macrumors 68000
Oct 29, 2010
1,944
8
The Philippines...
That is false information.


Yes, you fail quite frequently based on your prior post history. I did read it and your post does not contain factual information.


Sorry, you might gain some credibility if you have ever actually tried it.
I have a 700mhz iMac, Dual 1.2GHz G4, single-CPU PM1.6, dual core PM2.3 and Quad PM2.5. None will boot from USB without changing the Open Firmware setting first.
I have 3 late 2005 powermac G5 and they all boot from USB flash drive installer.
 

Nermal

Moderator
Staff member
Dec 7, 2002
18,718
1,200
New Zealand
You have now said multiple times that settings must be changed in Open Firmware, but haven't said what to do. What have you needed to type to get this working?
 

Intell

macrumors P6
Jan 24, 2010
18,883
372
Inside
That is false information.


Yes, you fail quite frequently based on your prior post history. I did read it and your post does not contain factual information.


Sorry, you might gain some credibility if you have ever actually tried it.
I have a 700mhz iMac, Dual 1.2GHz G4, single-CPU PM1.6, dual core PM2.3 and Quad PM2.5. None will boot from USB without changing the Open Firmware setting first.
That is true information. Nothing needs to be set in OpenFirmware to make a USB device bootable on PPC Mac. I have booted a G4 Cube, a slot loading iMac G3, a Ti Powerbook G4, an eMac, many G4 iMacs, two quad G5s, a G3 iBook, and a Sawtooth from USB. All simply by selecting the external USB drive in Mac OS X's Startup pref pane and clicking restart. There isn't anything else to do.

jbarley's posts maybe touchy at times, but he does indeed speak the truth far more often than you. Just by stating that something needs to be changed in OpenFirmware to allow USB booting is nonsense and shows that you don't fully understand how Macs work.

Strange how you seemed to stop read my previous post and missed over how I have booted my G3 iMac via USB before. Myself as well as many other extremely knowledgeable and respected people in the PowerPC forums have done this before and know it is possible. Being an certified Apple tech, I'm pretty sure I know what my machines can and cannot do.

Now please stop spouting incorrect information and actually do some research and testing of your own instead of basing your knowledge on outdated research of others.

Correct, all of them will when set in Open Firmware.
Nothing needs to be set in OpenFirmware.

You have now said multiple times that settings must be changed in Open Firmware, but haven't said what to do. What have you needed to type to get this working?
Nothing needs to be set in OpenFirmware. All that's needed is a USB device with an operating system version that supports your machine. The device must be formatted with APM. You can even startup Mac OS 9.X this way, pending the drive has the OS 9 drivers installed on it.
 

Zeke D

macrumors 65816
Nov 18, 2011
1,006
156
Arizona
Not to feed the lovefest, but I have booted many a g3 and g4 via USB thum drives without entering open firmware.
 

VanneDC

macrumors 6502a
Jun 5, 2010
836
63
Dubai, UAE
is it me or are people on this forum getting quite rude..??
please be kind to one another and please treat each other with respect.
 

jbarley

macrumors 68040
Jul 1, 2006
3,803
1,637
Vancouver Island
Information like this can be very confusing, especially to those like myself who have no trouble booting my G5 power mac from a USB drive, in fact from this very same CC Clone that spewed out this message.
 

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