Hey Natasha -
Natasha Geerts wrote:
Hi, I'm really really new to this newbie list. I'm preparing to install YDL 4.0 on my G4 tower w/ Mac OS x.
Why is it that it's better to install YDL on the first drive on the IDE chain, jumpered as Master, and have Mac OS x on the second drive and jumpered as Slave? Is it ok to reverse them? If not, why not? and if so, what kinds of problems can arise? Is it something I can get around some other way?
To be truthful, it's not necessary, just very, very strongly advised (let me toss in another very here). The reason is the way that the Open Firmware handles the boot process. By putting YDL on the first partitions on the master disk (after the Apple drivers), the ydl bootloader (yaboot) will always be the first partition accessed - even after a reset of the nvram. Unless you are familiar a bit with the OF, it's simpler and safer to setup as described in the YDL guide(s).
I've searched the net but the only place I've found it mentioned at all is in the YDL 4.0 install guide (and other YDl install guides) on yellowdoglinux.com and that's all they say.
As a jumping point here, check out: <http://www.sharplabs.com:8668/space/Installing+YDL/BootX%2C+Yaboot+and+the+OF>
There's a simplified version of how the boot process works, plus a lot of links to the more technical and detailed workings of the OF. Ignore the stuff I wrote about OldWorld Macs and concentrate on the NewWorld info.
If you are *really* interested in the process, check out the kernelthread.com link to booting Mac OSX. towards the bottom of the page.
sitting in the smog, Natasha
Hope that turns off that smog machine for ya,
cheers, g'luck and all that stuff
--
It's what you make it man
Takes time
A little bit
A little bit more-The Minutemen
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