Advice on partitioning: PPC + Intel

I'm about to give away my PowerBook G4 and get a new MacBook Pro. In addition, I just purchased a new large external drive which I would like to partition so partitions can be used to be bootable for both my MacMini (PPC) and my new MBP.
Can I set up a GUID partition (for Intel Mac) and an Apple partition (for PPC Mac) or must I make a choice for the entire external drive?
Thank you.

You can do both.
When you set up the partitions, as you write, the one for the Intel processor must be GUID, at least to make it bootable. According to the Disk Warrior site, for a bootable partition for the PowerPC, "the drive must be partitioned as "Apple Partition Map" (also known as APM)."
When the computer sees a partition, basically all it sees is another hard disk.

Similar Messages

Disc partition when supporting both PPC & Intel via Airport & TM?

I need to support both a PPC G4 Powerbook G4 17" and a Intel based Mac Mini using an Airport Extreme and Time Machine to a RAID configured 2TB drive on the USB port on the Airport Extreme. The Intel based Mac Mini has always backed up just fine but I have never had much success getting the PPC G4 laptop to do backups after the initial backup was performed. Does it make any difference weather or not I use the Apple Partition Map or the GUID Partition Map when I set up the volume since I am not using it to start up either machine? Can this be the source of my problem?

You might find useful advice in this post, particularly item 2.

PPC & Intel backing up on the same hard drive?

Hi alll. I´ve been using time Machine with my iMac G5 for several months without a glitch on an external USB HD.
Now my wife bought a new iMac 20" and we want to use the same USB HD for her backups as well.
Here´s what I did so far:
I partitioned the USB drive in two halves.
Connected it to the G5 and set up the time machine to use une of the partitions.
Then set up the Intel to back up via wireless network to the USB drive connected to the G5.
Both machines started backing up OK but the Intel never finished, the backup remained truncated with a large DMG file with a long name "...bundle... something"
When I reversed the situation and connected the USB HD to the intel it finished the backup instantly (so basically all the files wer already there) but the G5 could not complete its backup. Being the G5´s partition the one with the truncated Backup .dmg File...
Is there any way to do this? how can I make both computers back up on the same drive?
Thanks!

backup drives for intel and PPC macs should be formatted differently. GUID partition map for intel and APM for PPC.
http://support.apple.com/kb/TS1550?viewlocale=en_US
It could work without doing that but you might run into problems as you did. what partition scheme is the drive using now? try one of the following
1. reformat the whole drive GUID, connect it directly to the intel mac and try backing up the G5 wirelessly.
or
2. format it with APM, connect it to G5 and try backing up the intel mac wirelessly. either way you probably should reformat the drive completely and start from scratch.

External HHDs & compatability with ppc & intel

hi
my whole arrangement is external hhds firewired to a ppc emac - the hhds have partitions for back ups, scratch discs and also one external boot drive.
but....
if i get an intel based mac - like a laptop or something - is there anyway i can access the hhd drives that are connected to my ppc emac - is the compatability issue a big one or are there work arounds
thanks folks
tzzz

something to do with how the hhd needs to be formatted differently for intel compared to ppc
That only applies if you want to use the drive to start up the computer, and you can start up an Intel Mac from a drive in the PowerPC format as long as the OS installed on the drive is compatible with both, which basically requires it be Mac OS X 10.5.
(36494)

10.5 PPC - Intel migration

Hi.
What's the best way to migrate a server from PPC hardware to Intel? Is it possible to use a backup of the PPC machine and restore it on the Intel?

What Isaac has said about the OD archive & import is not actually true.
Please see, "3 Migrating from Mac OS X Server v10.4" in Apple migration guide, available here:
http://www.apple.com/server/macosx/resources/
namely,
http://images.apple.com/server/macosx/docs/Upgradingand_Migratingv10.5.pdf
Note that - for example - you can't have an OD replica be differing hardware from the OD master in 10.4 (eg OD Master is Intel, slave is PPC = not supported), and with that in mind even if your 10.5 server would let you, I would not recommend trying to import an OD archive from 10.4
The Apple guide says you must export users & groups & then import them and so passwords will be lost. There are innumerable and important differences between 10.4 & 10.5, regardless of hardware (PPC or Intel) and this is going to be the cleanest way forward anyway.
There is also information about migrating DNS settings on p. 44 but I have not tried this.
It seems the GUI in 10.5 for DNS is not without its problems, see:
http://www.afp548.com/article.php?story=20071031195155456
However, the service "pull offs" should work for some services - but please read the guide at least as your frame of reference.
-- David, ACTC, ACSA, ACDT, ACPT

Migrating G5 PPC - Intel 24" (10.4 - 10.5)

Hiya,
I am about to buy an intel imac and had intended to use Migration assistant to copy across as much stuff as possible before booting into target disk and dragging some files however..... In our local Apple store the teckie told me that because the intel architecture AND 10.5 was so different it would be best not to migrate any apps as they will run under rosetta and slow the machine down. Now I read on the net horror stories of migrating photos and iTunes tracks and having them copy across in PPC hierarchies ? Can anyone advise what it is safe to let Migration assistant do (like Internet and Mail settings ? Pleeeeeeese) and how to deal with things like Booxter libraries, 1Password data etc. For example I don't remember whether the Migration options include choosing which settings, which apps etc or just general tick boxes for Alll Settings, All Apps. I reckon this topic needs a forum of it's own !
TIA

Hi Stibble,
That was a great computing day the day I migrated over to my 24" Intel from my old 17" G5 PPC. I don't know if you have a backup of your G5 (CCC, SuperDuper, SilverKeeper, etc), but I just loaded my new iTunes and iPhoto from the folders on the backup. I selectively dragged apps over from the apps folder and surprisingly there wasn't too many of them. Some I just chose to download and install again. As for my documents, those were a simple drag operation.
I've done this procedure on 3 different macs (2 iMac, 1 Macbook) and everything worked fine and I found it pretty quick. I never chose to go the Migration Assistant route in that I read too many horror stories and just had no faith in it.
If you don't have a clone of your G5, you can pick up a 250 GB Seagate Free Agent for $79 just about anywhere.
Good Luck....you'll love the increased performance of the Intel Macs.
Nano

PPC- Intel via Migration Assistant.

I've recently upgraded myself and a couple users to intel machines and it seems if I use the migration assistant to transfer everything over I end up having issues. I usually end up reloading their machine with a fresh install and reinstalling all the apps manually. Is this a known issue? You'd think with Intel being the only option, 99% of people upgrading at this point would be going from PPC to Intel and that Apple would have thought about this?
Any thoughts, suggestions???

A Basic Guide for Migrating to Intel-Macs
If you are migrating a PowerPC system (G3, G4, or G5) to an Intel-Mac be careful what you migrate. Keep in mind that some items that may get transferred will not work on Intel machines and may end up causing your computer's operating system to malfunction.
Rosetta supports "software that runs on the PowerPC G3 or G4 processor that are built for Mac OS X". This excludes the items that are not universal binaries or simply will not work in Rosetta:
Classic Environment, and subsequently any Mac OS 9 or earlier applications
Screensavers written for the PowerPC
System Preference add-ons
All Unsanity Haxies
Browser and other plug-ins
Contextual Menu Items
Applications which specifically require the PowerPC G5
Kernel extensions
Java applications with JNI (PowerPC) libraries
See also What Can Be Translated by Rosetta.
In addition to the above you could also have problems with migrated cache files and/or cache files containing code that is incompatible.
If you migrate a user folder that contains any of these items, you may find that your Intel-Mac is malfunctioning. It would be wise to take care when migrating your systems from a PowerPC platform to an Intel-Mac platform to assure that you do not migrate these incompatible items.
If you have problems with applications not working, then completely uninstall said application and reinstall it from scratch. Take great care with Java applications and Java-based Peer-to-Peer applications. Many Java apps will not work on Intel-Macs as they are currently compiled. As of this time Limewire, Cabos, and Acquisition are available as universal binaries. Do not install browser plug-ins such as Flash or Shockwave from downloaded installers unless they are universal binaries. The version of OS X installed on your Intel-Mac comes with special compatible versions of Flash and Shockwave plug-ins for use with your browser.
The same problem will exist for any hardware drivers such as mouse software unless the drivers have been compiled as universal binaries. For third-party mice the current choices are USB Overdrive or SteerMouse. Contact the developer or manufacturer of your third-party mouse software to find out when a universal binary version will be available.
Also be careful with some backup utilities and third-party disk repair utilities. Disk Warrior (does not work), TechTool Pro (pre-4.5.1 versions do not work), SuperDuper (newest release works), and Drive Genius (untested) may not work properly on Intel-Macs. The same caution may apply to the many "maintenance" utilities that have not yet been converted to universal binaries.
Before migrating or installing software on your Intel-Mac check MacFixit's Rosetta Compatibility Index.
Additional links that will be helpful to new Intel-Mac users:
Intel In Macs
Apple Guide to Universal Applications
MacInTouch List of Compatible Universal Binaries
MacInTouch List of Rosetta Compatible Applications
MacUpdate List of Intel-Compatible Software
Because Migration Assistant isn't the ideal way to migrate from PowerPC to Intel Macs, using Target Disk Mode or copying the critical contents to CD and DVD or an external hard drive will work better when moving from PowerPC to Intel Macs.
Basically the instructions you should follow are:
1. Backup your data first. This is vitally important in case you make a mistake or there's some other problem.
2. Connect a Firewire cable between your old Mac and your new Intel Mac.
3. Startup your old Mac in Target Disk Mode.
4. Startup your new Mac for the first time, go through the setup and registration screens, but do NOT migrate data over. Get to your desktop on the new Mac without migrating any new data over.
4. Copy the following items from your old Mac to the new Mac:
In your /Home/ folder: Documents, Movies, Music, Pictures, and Sites folders.
In your /Home/Library/ folder:
/Home/Library/Application Support/AddressBook (copy the whole folder)
/Home/Library/Application Support/iCal (copy the whole folder)
Also in /Home/Library/Application Support (copy whatever else you need including folders for any third-party applications)
/Home/Library/Keychains (copy the whole folder)
/Home/Library/Mail (copy the whole folder)
/Home/Library/Preferences/com.apple.mail.plist (* This is a very important file which contains all email account settings and general mail preferences.)
/Home/Library/Preferences/ copy any preferences needed for third-party applications
/Home /Library/iTunes (copy the whole folder)
/Home /Library/Safari (copy the whole folder)
If you want cookies:
/Home/Library/Cookies/Cookies.plist
/Home/Library/Application Support/WebFoundation/HTTPCookies.plist
For Entourage users:
Entourage is in /Home/Documents/Microsoft User Data
Also in /Home/Library/Preferences/Microsoft
Credit goes to another forum user for this information.
If you need to transfer data for other applications please ask the vendor or ask in the Discussions where specific applications store their data.
5. Once you have transferred what you need restart the new Mac and test to make sure the contents are there for each of the applications.
Written by Kappy with additional contributions from a brody.

How do I add os x tiger to a partition on intel mac using os x lion?

I'm trying to add os x tiger to a partition so I can dual boot between tiger and lion. However, I'm not able to boot the computer using the tiger dvd by holding the c button during start up. Anyone know how to do this?

The versions of OSX, in order of appearance:
Tiger
Leopard
Snow Leopard (SL)
Lion
My system came wth SL, so I can run both SL and Lion at the same time. But I cannot run Leopard or Tiger.
My parents' macmini came with Leopard, so they could run Leopard, SL and Lion at the same time, but not Tiger.
My brother's in-laws have a Tiger system (2007/2008 vintage), so they could run all 4 at the same time, if they had enough disk space.

Another PPC/Intel node question!!!

Hi MacAddicts,
I've searched the forum but didn't get an answer about this. I want to connect a PowerBook(host)to an Intel Mac mini as the node(the poor man's HD setup!!). I'm on LP 7.1.1 on Panther. Can i install the node app. from 7.1.1 on the intel mac or do i need the node app. from 7.2 on the intel? That's the part i didn't see anywhere!!! Thanks for any response.

You need the node app on the MacIntel to be the 7.2 version.
It's simple - anything that runs on Intel chips needs to be a Universal Binary, otherwise it either won't work or the performance will be horrible horrible horrible.
7.2 is the first version of Logic that is a UB.

Advice on partitioning & B//U routine

What size partition do you give Time Machine?
I've read where TM will use all the space it can eat. If I have a 320gb drive internal - do I make only a 320 partition out of a 1tb external - or does it need more?
Alternatively, would I just be better off scheduling/using Super Duper or Carbon Copy Cloner? I need a bootable backup or two at the least.
Do any of them take advantage of Firewire 800 to speed the process? Any other comments welcome - thanks!

igirl1 wrote:
Sorry I missed such a fundamental thing - so for me a whole 1tb would be needed for Time Machine with my 320 internal - as I do large files (photography not video),
Not necessarily, especially if the internal isn't (and won't be) near full. If you do a lot of editing of those photos, and discard the intermediate steps fairly soon, TM won't need a huge amount of extra space. That's because it, too, does "intelligent" discards. If an item was on your system for less than a day before being deleted, it's backup may be deleted after 24 hours. If an item was on your system for more than a day, but less than a week before being deleted, it's backup may be deleted after 30 days.
An alternative is to do the editing on a disk, partition, or folder that's excluded from TM (via TM Preferences > Options), then move the finished product somewhere that's included in TM. That will save both the disk space and CPU usage, but of course then you can't recover the intermediate steps.
What I'd suggest is, put your TM partition first on the disk (at the top of the diagram that Disk Utility will show), and make it fairly large. Then put your CCC or SD partition next.
Then use TM for a while. It's first backup will be a full copy of your entire system; each hourly backup may be fairly sizeable, depending on how much you've added or changed. But after a day, when it starts "thinning" all but the first backup of each day, the net growth won't be as fast. After a month, when it starts "thinning" all but the first backup of each week, it will slow even more. Then of course, it will grow by the equivalent of one backup per week until the disk is full.
If you see that it's going to keep more backups than you want or need, you can then reduce the size of the partition, and use the space for something else.
Or, if it looks like the partition is too small, you can delete the next partition (the one below it), and expand into that space.
The reason to put your TM partition first is partly to use the faster portion of the disk, but mostly because you can't expand a partition upwards, only downwards.

Install Retail OSX 10.4 to PPC & Intel Macs

Hi folks,
I bought my Mini second hand without disks. I didn't think it'd be a problem, as I own a retail version of 10.4. Now I've come to reinstall 10.4, only to find that the version I have is suitable only for PPC Macs.
Can anyone suggest a workaround, please?
Thanks,
Matt

10.4 on IntelMacs were all Gray Machine Specific Discs outside of the last 10.4 Server Retail.
The Seller should've provided those Original Discs.
You can call Apple with the Serial# handy & see if they have Replacement Discs, or see if they have Leopard 10.5

Request procedure for migrating PPC 10.4 Server setup to Intel 10.4 Server

Here's the background: I've got a G5 Xserve running 10.4.11 Server. It's and OD Master, Windows PDC and AFP, NFS & SMB file server for my whole department. We've purchased a new Intel Xserve (prior to Leopard - I'm not ready to go there yet), but I'm uncertain about the procedure for moving the setup from the G5 to the Intel box, keeping everything the same and working. I'm keeping the hostname the same, too.
What's really unclear (since there's no specific documentation on PPC -> Intel migration) is the order in which to do the OD Replica to Master promotion, the Windows BDC -> PDC promotion and the running of "changeip" to use the original host name on the new machine. I've botched the migration up three times so far, and I'd like to get it right the next time.
I know there can't be two Windows PDCs running concurrently, so I'm assuming that's the last step, but I'm really having trouble with knowing when to run changeip and whether or not the original machine should be running at the same time while changeip is run. Should the OD Replica be promoted before changeip?
If anyone's moved the functionality of a PPC 10.4 Server to an Intel 10.4 Server and moved the name of the system along with it, I'd love to hear from you.
Thanks in advance for your help!

Here's the background: I've got a G5 Xserve running 10.4.11 Server. It's and OD Master, Windows PDC and AFP, NFS & SMB file server for my whole department. We've purchased a new Intel Xserve (prior to Leopard - I'm not ready to go there yet), but I'm uncertain about the procedure for moving the setup from the G5 to the Intel box, keeping everything the same and working. I'm keeping the hostname the same, too.
What's really unclear (since there's no specific documentation on PPC -> Intel migration) is the order in which to do the OD Replica to Master promotion, the Windows BDC -> PDC promotion and the running of "changeip" to use the original host name on the new machine. I've botched the migration up three times so far, and I'd like to get it right the next time.
I know there can't be two Windows PDCs running concurrently, so I'm assuming that's the last step, but I'm really having trouble with knowing when to run changeip and whether or not the original machine should be running at the same time while changeip is run. Should the OD Replica be promoted before changeip?
If anyone's moved the functionality of a PPC 10.4 Server to an Intel 10.4 Server and moved the name of the system along with it, I'd love to hear from you.
Thanks in advance for your help!

Is it possible to start intel mac in target mode from ppc mac ?

Hello all,
Is it possible to start intel mac in target mode from ppc mac ? If so does using target mode make ANY change at all to the target disk if user doesn't voluntariliy write stuff to target disk ?
Thanks in advance !

Yes, you can, but with some notes. Braby sent some data, I add some other.
Target Mode has two basic roles:
1. to turn a mac into an external drive and/or external optical drive (if it has one, until Air era, all had); you may use this way if your internal optical drive is damaged and you wish to use the optical unit of the other mac; or use it as a simple external disk for backup purposes or else.
2. to boot from a such-booted mac.
#1 is usable with any two macs disregarding whether they are both PPC, both intel, or combination PPC-intel, as the behavior is like any external disk drive or external optical drive.
#2 is impossible if you want to boot the other mac, they must be both intel or PPC, as you cannot use an intel-based mac as a boot mac for the other ppc-mac, and vice-versa.
So said and clarified, you may use, but not if you intend to boot the other one if you wish to use it for various purposes implying boot.

Partition w/Tiger and able to use classic on Intel Mac

(1) Can I partition an Intel-based Mac with Leopard on partition#1 using Scheme GPT and Tiger on partition #2 using Apple Partitioning Map? (2) Would classic work booting from partition #2 with Tiger? Thanks, Bob

The answer is no classic is not supported on Intel Macs reguardless.
http://docs.info.apple.com/article.html?artnum=303137
There is however other classic emulators that you can download.
http://discussions.apple.com/thread.jspa?messageID=6512539&#6512539
George

PPC (power PC) & Intel

Hi! I'm new to Mac and I just wanted to find out what is the difference between a PPC or Power PC and an Intel Mac?

What Allen Eckert said. In addition...
PPC and Intel chips use different instruction sets which is a fancy way of saying that programs written for one don't work on the other. However, Mac OS uses something called Rosetta to, if necessary, translate PPC instructions into Intel instructions. So if you look at the list of installed Software in "About this Mac" you will see that each is labelled with one of PPC, Intel or Universal. Universal means that the program is actually two copies, one PPC and one Intel. An Intel Mac runs the Intel version and an older PPC Mac runs the PPC version. A program labelled Intel means that it specifically uses the Intel instruction set and will not run on a PPC Mac. And PPC (Microsoft Office Test Drive for example) means that it was written for a PPC Mac but will run on an Intel Mac via Rosetta, which is less than ideal but not bad.

Advice on partitioning: PPC + Intel

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