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Chrishas
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Joined: 19 Jul 2015
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PostPosted: Sat Jan 16, 2016 1:39 pm    Post subject: USB boot Quad Powermac G5 Reply with quote

I was able to USB boot my Quad PowerPC G5 without much hassle and thought I'd share the steps I followed.

1)Format the stick using MBR partitioning.
2)Create a single FAT partition.
3)Mount the Gentoo iso and copy all the files to the usb:

cp -r /mnt/cdrom/* /mnt/usb/

4) Edit the /boot/yaboot.conf file and change the device from 'cd:' to 'ud:1'

5) Insert the usb into the PPC and boot into OpenFirmware using Command+Option+F+O

6) Run the boot command like this:

boot ud:1,\boot\yaboot

Yaboot should then load and present the available options, enter G5 to start booting.
Important: Initially I tried with HFS+ and although Gentoo started booting it got stuck since at some point it tried to mount the root partition but couldn't since it doesn't have built-in support.

Hope it helps,

Chris
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