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(Non-) Matching of BIOS parameters and parted disk analysis

From: Daniel P. Katz
Subject: (Non-) Matching of BIOS parameters and parted disk analysis
Date: 28 Dec 2000 18:27:37 -0500
User-agent: Gnus/5.0807 (Gnus v5.8.7) Emacs/20.7


I want to use parted to shrink a large (13G) partition by about 3G and
then create a new partition in that 3G.  When I start up parted
(v. 1.0.13 on a Debian GNU/Linux 2.2 box), it gives the following disk
analysis and warning:

        Using /dev/hda
        Warning: The operating system thinks the geometry on /dev/hda
                 is 19846/32/63. 
        You should check that this matches the BIOS geometry before
            using this program. 

When I check my BIOS settings, they seem to say that I have
512/32/63.  They also list 'LBA' mode and a LANDZ value of 39692.  Of
course, the motherboard documentation doesn't describe this in any

So the question is:  should I be worried about the discrepancy in the
number of cylinders reported, or is this just more BIOS stupidity?

Sorry if this is a FAQ, but I didn't find  FAQ list and didn't see an
answer to this in the mailing list archive.



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