YDL Installed OK - But Can't Boot Back to OSX!

Ted McDonald yellowdog-newbie@lists.terrasoftsolutions.com
Sun, 29 Jun 2003 16:09:29 -0700


This worked perfectly for me.

On Sunday 29 June 2003 12:02, Paul Handly wrote:
> so do 'pdisk /dev/hdb'
> then do the 'change type' thing - I think it's 't' but you can check
> that with '?'
> the partition you need to re-type is #1 -' Apple_Bootstrap'
> the type you need to change it to is 'Apple_partition_map'
>
> then when you've changed it, hit 'w' to overwrite the current map (save
> changes)
> then reboot to test it out.
>
> The option key thing only lets you select between what Open Firmware
> recognizes as valid boot partitions - Mac OSX gags on startup because
> it can't read it's own partition map, due to the Anaconda bug which
> changes the map type.  The best use of that is when you've messed up
> the startup disk settings by using apple's stuff instead of yaboot -
> then you can use the option key startup to kick yourself back into
> yaboot.