"When I put the partitions in, it comes up with a box saying "warning, system may not be bootable under your architecture".
What does this mean and is it safe to install."
This warning may or may not be relevent. You can get the warning when in fact there is nothing wrong.
If you do have the problem it is because some older BIOS cannot handle large hard drives correctly. Such BIOS have address limitations as to how large a drive they can handle. This only affects Linux during boot. After boot Linux does not use the BIOS to address the disk so there is no problem after boot.
If your BIOS addresses less than 30G then you can work around the problem in one of two ways.
1. Create a boot floppy during install and use that to boot into Linux. You should create a boot floppy anyway to use whenever your bootloader is screwed up.
2. Make a small (512M) partition at the front of the hard drive and install /boot there. That way /boot is guarenteed to be in the area that the BIOS can address.
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Be prepared. Create a LifeBoat CD.
http://users.rcn.com/srstites/LifeBo...home.page.html
Steve Stites