If you see hard disk in front of hard disk, You can see C/H/S exactly.
And compare with what you got. I think finally other people agree
to use append="hd=......" command.
(You should use it from hard disk label.)
Thanks,
DK
------------------------------------------------------------------
DooKee Cho/MS352 FERMILAB P.O. BOX 500 Batavia IL 60510-0500
dkcho@fnal.gov/ href="http://www-d0.fnal.gov/~dkcho">http://www-d0.fnal.gov/~dkcho
On Mon, 30 Nov 1998, Stephen Bailey wrote:
>
> Thanks for the further advice. I have checked further details,
> and have further requests for help:
>
> On Mon, 30 Nov 1998, Chris Green wrote:
>
> > I would tentatively suggest the following procedure for getting
> > Linux reliably on to your hard drive and being able to use all of it:
> >
> > *) Check that the BIOS is the most up-to-date revision for your
> > motherboard -- you can check Intel Motherboards at:
> >
> > http://developer.intel.com/design/motherbd/genbios.htm
>
> I haven't figured out which motherboard I have yet (the documentation
> isn't that specific and I couldn't see an ID on the motherboard itself
> without unplugging things), but the machines are less than a month old
> and should at least have a very recent version. Read on.
>
> > *) Check that the BIOS is set to use LBA for this drive
>
> Yep. And it lists is as a ~14 GB drive.
>
> > *) Using the linux install disk, look at the boot-up messages. You should
> > get a message like:
> >
> > hda: WDC AC36400L, 6149MB w/256kB Cache, CHS=784/255/63, UDMA
>
> I get
> ............. 13783MB .............. CHS=1024/255/63, UDMA
>
> i.e. both the BIOS and Linux are at some level aware that it is a
> big disk. Running fdisk agrees with this CHS structure. Printing
> the current partition table from the expert and regular menus gives:
>
> Expert command (m for help): p
>
> Disk /dev/hda: 255 heads, 63 sectors, 1024 cylinders
>
> Nr AF Hd Sec Cyl Hd Sec Cyl Start Size ID
> 1 00 1 1 0 254 63 32 63 530082 82
> 2 80 0 1 33 254 63 163 530145 2104515 83
> 3 00 0 1 164 254 63 1023 263466013815900 83
> 4 00 0 0 0 0 0 0 0 0 00
>
> Expert command (m for help): r
>
> Command (m for help): p
>
> Disk /dev/hda: 255 heads, 63 sectors, 1024 cylinders
> Units = cylinders of 16065 * 512 bytes
>
> Device Boot Begin Start End Blocks Id System
> /dev/hda1 1 1 33 265041 82 Linux swap
> /dev/hda2 * 34 34 164 1052257+ 83 Linux native
> /dev/hda3 165 165 1024 6907950 83 Linux native
>
> i.e. the expert sizes seem great, but the units listed for cylinder
> size make it all come out to being about half used.
>
> So I'm not confident of how to proceed; the various examples you
> listed (omitted here) involve Linux thinking there are more than
> 1024 cylinders. Naively it seems that I might want to double the
> number of cylinders, but I'm still trying to sort out whether I
> need to tell fdisk, LILO, the kernel, all of them, etc., and what
> the prescription is for deciding how many cylinders to tell it to
> use, etc.
>
> Thanks for everyone's help.
>
> Stephen
>