Re: Determining geometry of Compact Flash

From: Simon Paradis (see.end.of.message_at_globetotter.net)
Date: 01/24/05

  • Next message: Everett X. Wang: "help needed to boot from compact flash" 
    Date: Mon, 24 Jan 2005 02:24:54 GMT

    If the BIOS allows it, try enabling LBA32. I've lilo with LBA32 and did not
    have to
    specify the CF CHS settings.

    Simon Paradis

    "Kevin D. Quitt" <KQuitt@IEEInc.com> wrote in message
    news:s1n6s0tib5tjaatbdacvpfhbd9v90uuvdn@4ax.com...
    > On 15 Dec 2004 05:13:01 GMT, Grant Edwards <grante@visi.com> wrote:
    >
    > >What do you mean by "geometry"? The number of 512-byte blocks
    > >is the only geometry I'm aware of.
    >
    > CF presents itself as having cylinders, tracks and sectors. lilo will not
    > work correctly unless it is given the correct values for those.
    >
    >
    >
    > >The actual geometry of the
    > >flash chip(s) is hidden behind the IDE interface logic.
    >
    > Except for when it isn't.
    >
    >
    > >Even
    > >if you did know the geometry of the flash chip(s) you couldn't
    > >do anything with that information.
    >
    > I can find out the geometry of the chip from the BIOS by booting to the
    > BIOS instead of linux. This is how I do it *now*. I then provide this
    > information to lilo, so that it can create a boot block that allows me to
    > boot from the CF into linux.
    >
    >
    > >> all kinds of geometries even when they're exactly the same size.)
    > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    > >They're _not_ all the same size. That's the problem.
    >
    > You're not reading what I wrote.
    >
    >
    > >What you
    > >have to do is standardize on a partition size that will fit on
    > >all the parts from all the vendors.
    >
    > Completely wrong. The partition size doesn't matter for booting; the
    > geometry does because lilo requires to know that geometry.
    >
    > I do thank you for bothering to answer.
    >
    > --
    > #include <standard.disclaimer>
    > _
    > Kevin D Quitt USA 91387-4454 96.37% of all statistics are made up
    > Per the FCA, this address may not be added to any commercial mail list

  • Next message: Everett X. Wang: "help needed to boot from compact flash"

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