[Techtalk] Dual Booting YDL on an iBook

Betty Johnson bettyj at interbaun.com
Wed May 14 15:13:06 EST 2003

Hi Beth

I am gonna preface this with, I have Mandrake 9.1PPC dual-booting with Mac 
OS X (same version as you) on Powerbook Titanium G4. This is what I had 
to do to be able to boot both Linux and Mac OS. Hope this helps.

When you reboot the machine, before you hear the chime, press 
Option-Apple-O-F (all four keys together), and hold it till the screen 
turns white.  Then you'll be in Open Firmware.

Type: printenv boot-device

This should give you some really long archaic string (it's the PCI id for 
the drive and partition to boot OS X).  

To change it, use:
setenv boot-device hd:10,\\:tbxi
printenv boot-device

Make sure it's set properly.  If it is, type:

And it will power the machine off.  Turn it on, then you should get the
yaboot screen.

On May 14, 2003 11:38 am, Beth Johnson wrote:
> Hi Guys and Gals,
> I have an iBook running OS 10.2.6 right now, that I'd like to install
> Yellow Dog Linux 2.3 on and have as a dual-boot with the OSX. Can
> someone tell me how to dual-boot this sucker? GRUB and LILO on x86 I
> can do, but I'm not familiar with PPC booting other than booting from
> CD or getting to the boot options screen with the Options button.
> Specifics are:
> 466 MHz PPC G3
> 320 MB RAM
> 14 GB hard drive
> I actually already have YDL installed on a partition, but obviously
> didn't select the correct place to put the bootloader. I need
> confirmation that if I select the first sector of the first partition
> (or Mac equivalent) that I'll still be able to boot the Mac to OSX or
> wipe the disk if anything drastic occurs.
> So what do I need to tell the installer for boot options?
> regards,
> Beth

The real art of conversation is not only to say the right  thing in the 
right place, but also to leave unsaid the wrong thing at the tempting 
Betty Johnson

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