Messages in this thread | | | Date | Fri, 21 May 1999 20:03:51 +0100 (GMT) | From | Riley Williams <> | Subject | Re: hd size > bios support? |
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Hi Karl.
> I would like to put a larger hard drive in my laptop, but I > think I read something like that the BIOS won't support a larger > one. Will it work with Linux anyway, if I boot with a hard > drive geometry kernel command line option?
You don't even need that, as Linux doesn't care what the BIOS supports. All that matters is that the contents of /boot are all located within the first 1023 cylinders, and I normally ensure this by making /boot a separate partition corresponding to the first ~16M of the primary hard drive, as follows:
Q> # fdisk -l /dev/hda Q> Disk /dev/hda: 255 heads, 63 sectors, 623 cylinders Q> Units = cylinders of 16065 * 512 bytes Q> Q> Device Boot Start End Blocks Id System Q> /dev/hda1 * 1 2 16033 83 Linux native Q> /dev/hda2 3 18 128520 82 Linux swap Q> /dev/hda3 19 218 1606500 83 Linux native Q> /dev/hda4 219 623 3253162 5 Extended Q> /dev/hda5 219 379 1293200 83 Linux native Q> /dev/hda6 380 623 1959898 83 Linux native Q> # cat /etc/fstab Q> /dev/hda3 / ext2 defaults 1 1 Q> /dev/hda1 /boot ext2 defaults 1 1 Q> /dev/hda5 /home ext2 defaults 1 1 Q> /dev/hda6 /home/ftp/pub ext2 defaults 1 1 Q> Q> /dev/hda2 swap swap defaults Q> Q> /proc /proc proc defaults Q> Q> /dev/cdrom /home/ftp/cdrom iso9660 defaults,noauto,user Q> /dev/fd0 /fd0 auto defaults,noauto,user Q> Q> /dev/sda4 /zip auto defaults,noauto,user Q> /dev/sda1 /zip auto defaults,noauto,user Q> /dev/sda2 /zip auto defaults,noauto,user Q> /dev/sda3 /zip auto defaults,noauto,user Q> #
Note that the reason for splitting /dev/hda5 and /dev/hda6 into two partitions was to avoid problems connected with the 2G limit, and I chose to use two partitions smaller than that limit rather than one partition larger than it.
Best wishes from Riley.
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