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How to just use BIOS to choose OS to boot instead of GRUB

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How to just use BIOS to choose OS to boot instead of GRUB

Postby bmullan » Wed Mar 11, 2009 3:57 pm

Most modern PC's have BIOS that allow the user to press a key (say F12) to choose what to boot.

Myself, I have Windows Vista 64 on Drive 1, Ubuntu 64 on Drive 2, MAC OSX on Drive 3 and now I want to install Ultimate Ubuntu 64 on Drive 4.

I am trying to AVOID Grub (no real reason other than hassles I have changing drives etc in past.

Today I hit F12 at boot and tell the BIOS which Drive to boot and it does.

However, when I installed Ubuntu 64 I was able to download and use the "ALTERNATE CD" version and with that specify to put GRUB ONLY on Drive 2 where I installed Ubuntu 64 --- thus leaving Drive 1 and Drive 3 alone and off the Grub Menu.

Now I want to install Ultimate Ubuntu 64 on my 4th Drive but I've not seen the equivalent of the ALTERNATE CD installation disk and I'd rather not go thru the Ultimate Ubuntu 64 installation only to find GRUB now has control over all 4 disks and Operating Systems.

Is there a way to do this?? Perhaps the Ultimate Ubuntu 64 installation is different than Ubuntu;s ??

Let me know if anyone has any ideas or I'll be relegated to installing Ultimate Ubuntu 64 inside VMware on one of my other Operating Systems and I'd REALLY rather have it running on its own.

Thanks in advance for any ideas.
Brian
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Re: How to just use BIOS to choose OS to boot instead of GRUB

Postby pch.shot » Wed Mar 11, 2009 4:27 pm

The trick is to unplug all but the hard drive that you are installing Linux to. Then plug them all back in when you are finished installation. Then you will be able to use your bios to boot to the disc of your choice.
You might want to bookmark this. It will save you a lot of headaches in the future.
http://users.bigpond.net.au/hermanzone/ ... ith_ms-sys
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Re: How to just use BIOS to choose OS to boot instead of GRUB

Postby bmullan » Wed Mar 11, 2009 10:16 pm

Thanks... that's the "obvious" answer ... but what I was thinking that to keep Ubuntu and Linux in the forefront the installation scripts should "prompt" the installer by default where or if to use Grub.

I already knew that if I unplug'd my other 3 SATA drives that I could then do this... but geez... thats opening up the case, pulling connectors etc.. how many novice's want to do that ??? I can, its a pain in the butt for me that takes probably 30 extra minutes out of my life but it seems to be circumventing the problem... which is to make Linux the "modern" OS and let the user's decide what to do during installation?

Appreciate your comment and understand why it was made but hope you understand what I'm trying to say also.
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