Difference between revisions of "OpenFirmware Resources"
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| + | ==Booting Linux== | ||
| + | In order to boot a PPC image of Linux | ||
| + | |||
| + | ===From CD=== | ||
| + | # Power on the Mac and immediately press and hold <code>C</code>. | ||
| + | # Alternatively, press and hold <code>Command + Option + Shift + Delete</code>. This will bypass the internal HDD and instead opt for a CD, external HDD, or (occasionally) a USB drive. | ||
| + | # Finally, you can also press and hold <code>Option</code>, which will present you with a graphical list of bootable devices connected the Mac (if any). | ||
| + | |||
| + | ===From USB=== | ||
| + | * First, try bringing up the graphical boot selection screen (press and hold <code>Option</code> while booting). If you don't see an option for the USB drive (you likely won't), then... | ||
| + | * Boot into OpenFirmware (press and hold <code>Command + Option + O + F</code>). You will be presented with a white screen and a command prompt that will looks something like this: | ||
| + | |||
| + | ok | ||
| + | 0 > _ | ||
| + | |||
| + | To confirm your USB drive is recognized, type: | ||
| + | |||
| + | 0 > dev usb1 ls | ||
| + | ok | ||
| + | 0 > dev usb0 ls | ||
| + | ffa03650: /disk@1 | ||
| + | ok | ||
| + | |||
| + | The second command returns a disk ID, showing that the system recognizes the USB drive. Note that each individual port on the mac is ennumerated as <code>usb0</code>, <code>usb1</code>, etc. Type the following to boot to USB: | ||
| + | |||
| + | boot usb0/disk:2,\\yaboot | ||
| + | |||
| + | This will drop you to a black screen with a command prompt (yaboot). Type <code>install</code> and you will then be able to follow through with the rest of the installation. | ||
| + | |||
| + | |||
| + | ==Resources== | ||
| + | |||
http://mac.linux.be/content/guide-open-firmware-apple-bios-0 | http://mac.linux.be/content/guide-open-firmware-apple-bios-0 | ||
http://www.firmworks.com/QuickRef.html | http://www.firmworks.com/QuickRef.html | ||
| + | |||
| + | |||
[[Category:Mac Development]] | [[Category:Mac Development]] | ||
Revision as of 13:01, 17 November 2012
Booting Linux
In order to boot a PPC image of Linux
From CD
- Power on the Mac and immediately press and hold
C. - Alternatively, press and hold
Command + Option + Shift + Delete. This will bypass the internal HDD and instead opt for a CD, external HDD, or (occasionally) a USB drive. - Finally, you can also press and hold
Option, which will present you with a graphical list of bootable devices connected the Mac (if any).
From USB
- First, try bringing up the graphical boot selection screen (press and hold
Optionwhile booting). If you don't see an option for the USB drive (you likely won't), then... - Boot into OpenFirmware (press and hold
Command + Option + O + F). You will be presented with a white screen and a command prompt that will looks something like this:
ok 0 > _
To confirm your USB drive is recognized, type:
0 > dev usb1 ls ok 0 > dev usb0 ls ffa03650: /disk@1 ok
The second command returns a disk ID, showing that the system recognizes the USB drive. Note that each individual port on the mac is ennumerated as usb0, usb1, etc. Type the following to boot to USB:
boot usb0/disk:2,\\yaboot
This will drop you to a black screen with a command prompt (yaboot). Type install and you will then be able to follow through with the rest of the installation.
Resources
http://mac.linux.be/content/guide-open-firmware-apple-bios-0