Date: Wed, 25 Jul 2001 16:10:13
From: "neil barnes" <[EMAIL PROTECTED]>
Subject: Re: CT50 and 20G drives AAAAAAAAAAAAAARRGH
Well, I am getting nowhere fast...
I have now tried:
o two different CT50s
o bios versions 6.4, 6.5, 6.6
o dos and linux fdisk
o dos loader, grub, and lilo
In every case, starting with an unpartitioned disk (the disk is fine in my
desktop machine) I can fdisk with any of the fdisk utilities, reboot to the
floppy and format c:/s, and having formatted, I can read and write data
correctly (as far as I can tell, I only have a floppy's worth of data to
test with).
However, rebooting the lib *always* trashes the partition table. It changes
the name to the same garbage characters every time, which are not printable
from the lib keyboard - so I have to use linux fdisk to clear the partition
table again. The bios works through correctly, does the memory test and disk
access, but locks up trying to read after the boot sector as far as I can
tell. If I leave a linux loader on, it gets as far as 'stage 1' then locks.
Bugger.
I'll try and download the ibm disk manager as the next option - I'm curious
to see how that will make much difference though if linux doesn't work.
The only other thing I can think of is that both these machines are
overclocked - so I may try dropping one to 75M again. But I'm wracking my
brain trying to find a failure mode that won't work on a 33MHz bus but will
work on a 66MHz...
Neil
>Date: Tue, 24 Jul 2001 09:58:09 -0700 (PDT)
>From: David Chien <[EMAIL PROTECTED]>
>Subject: Re: CT50 and 20G drives
>
>As talked about in another thread (search Libretto Mailing List archives),
>there are problems installing and running a >8GB HD in any Libretto L110 or
>older. The BIOS does not natively support correct LBA mapping of >8GB
>HDs,
>and as such, you have to use one of the options.
>
>1) Install and use a disk manager program like Ontrack.com's or
>www.storage.ibm.com's (latter only if you have an IBM HD). This will
>resolve
>the problems and let you install anything you want.
>
> Caveat! Nobody has tested and confirmed 100% sure that the hibernation
>area
>is then correctly located at the end of the full HD, rather than at the end
>of
>the 8.4GB boundary. (Will someone test and report back how they found
>out?)
>
>2) Install and use Linux or Win2K, both of which bypass the BIOS and read
>the
>HD geometry directly. With Linux, as posted earlier, two users have tested
>and
>posted their results. The hibernation partition sits at the end of the
>8.4GB
>(or thereabouts), so you will need to create at least two partitions below
>and
>above that area, leaving about 100-400MB of that area empty in case you
>don't
>know the exact size of the hibernation space. (the Linux program posted in
>a
>prior article can tell you - it'll blank out the space and find out where
>the
>changes caused by hiberation data saved start and end)
>
> With Win2K, prior users say it simply sees it all, but again, not one
>of
>those users have tested 100% to make sure the hibernation partition is at
>the
>end of the HD space rather than at the 8.4GB boundary ontop of their data.
>(will someone test this and let us know?)
>
>----------
>
> Naturally, one of the easiest ways to check under DOS where the
>hibernation
>partition is is to blank out the HD, hibernate the machine, then use a disk
>sector editor to walk the HD sectors until you see changes.
>
> In any case, good luck and let us know how it goes!
> d =)
>
>=====
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