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From: Peter Stanning on 8 Mar 2007 05:39
I have been looking for help on the Ubuntu forum but no practical help
so far.

I have recently changed my HD from a 40 GB IBM to a 80 GB Seagate.I
have tried installing Ubuntu and PClinuxOS but have the same Grub
error 18. The Ubuntu forum explained the problem but I have not found
a solution yet. I have enabled LBA in the BIOS as was suggested.

I have been running various distros for the past year on the old HD
but nothing works on the new one.

Can you help, please?
From: Simon Brooke on 8 Mar 2007 07:05
in message <tipvu2lrlo45pqh1kmoahps28vpi7l6vp9(a)4ax.com>, Peter Stanning <>
('') wrote:

> I have been looking for help on the Ubuntu forum but no practical help
> so far.
>
> I have recently changed my HD from a 40 GB IBM to a 80 GB Seagate.I
> have tried installing Ubuntu and PClinuxOS but have the same Grub
> error 18. The Ubuntu forum explained the problem but I have not found
> a solution yet. I have enabled LBA in the BIOS as was suggested.
>
> I have been running various distros for the past year on the old HD
> but nothing works on the new one.

Not except to say that enabling LBA in the BIOS is irrelevant to your
problem. The break points for LBA are at 4GB and 8.4GB; as your old disk
was greater than 8.4GB, the settings which worked for your old drive
should work with your new.

--
simon(a)jasmine.org.uk (Simon Brooke) http://www.jasmine.org.uk/~simon/

-- mens vacua in medio vacuo --

From: Peter Stanning on 8 Mar 2007 07:41
On Thu, 08 Mar 2007 12:05:44 +0000, Simon Brooke
<simon(a)jasmine.org.uk> wrote:

>in message <tipvu2lrlo45pqh1kmoahps28vpi7l6vp9(a)4ax.com>, Peter Stanning <>
>('') wrote:
>
>> I have been looking for help on the Ubuntu forum but no practical help
>> so far.
>>
>> I have recently changed my HD from a 40 GB IBM to a 80 GB Seagate.I
>> have tried installing Ubuntu and PClinuxOS but have the same Grub
>> error 18. The Ubuntu forum explained the problem but I have not found
>> a solution yet. I have enabled LBA in the BIOS as was suggested.
>>
>> I have been running various distros for the past year on the old HD
>> but nothing works on the new one.
>
>Not except to say that enabling LBA in the BIOS is irrelevant to your
>problem. The break points for LBA are at 4GB and 8.4GB; as your old disk
>was greater than 8.4GB, the settings which worked for your old drive
>should work with your new.

Thank you for prompt replies.

I do apologise but I forgot to mention I am dual booting with XP so
does the advice about putting a small partition at the beginning of
the drive still apply?

I don`t think my level of expertise is up doing it anyway.

Does this mean that Linux has a problem with all large HD?
From: Badger on 8 Mar 2007 09:02
On Thu, 08 Mar 2007 12:41:59 +0000
Peter Stanning <> wrote:

> Does this mean that Linux has a problem with all large HD?

No. The problem is your older BIOS. First thing you want to do is check
if there is an update for your mother board bios. If that's a no go
then you need to install a /boot partiton at the beginning of the drive.

Here are some options for where to create /boot partition.

1.Shrink the Windows partition such that there is 50 MB of unused disk
space at the beginning of the drive and lots of space after the Windows
partition. You can install the /boot Linux partition in this first 50
MB and avoid any potential issues with the 1024-cylinder limit
entirely.

2. Shrink the Windows partition such that it does not cross the 1024
cylinder (~8.5 GB), and install the /boot partition right after the
Windows partition.

To non-destructively shrink the Windows partition use something like
Partition Magic which costs around $15. I don't know of any freeware
products that can re-size NTFS partitions. It maybe possible from
Ubuntu's partition manager but I have never tried it.
--
Badger
From: Peter Stanning on 8 Mar 2007 10:12
Thanks for this.

Excuse my basic questions.

Can I have some more and larger Windows partitions after the /boot
partition if I use option 2?



On Thu, 08 Mar 2007 14:02:24 GMT, Badger <badger61r(a)hotmail.co.uk>
wrote:

>On Thu, 08 Mar 2007 12:41:59 +0000
>Peter Stanning <> wrote:
>
>> Does this mean that Linux has a problem with all large HD?
>
>No. The problem is your older BIOS. First thing you want to do is check
>if there is an update for your mother board bios. If that's a no go
>then you need to install a /boot partiton at the beginning of the drive.
>
>Here are some options for where to create /boot partition.
>
>1.Shrink the Windows partition such that there is 50 MB of unused disk
>space at the beginning of the drive and lots of space after the Windows
>partition. You can install the /boot Linux partition in this first 50
>MB and avoid any potential issues with the 1024-cylinder limit
>entirely.
>
>2. Shrink the Windows partition such that it does not cross the 1024
>cylinder (~8.5 GB), and install the /boot partition right after the
>Windows partition.
>
>To non-destructively shrink the Windows partition use something like
>Partition Magic which costs around $15. I don't know of any freeware
>products that can re-size NTFS partitions. It maybe possible from
>Ubuntu's partition manager but I have never tried it.

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