Re: Sysinstall's fdisk/disklabel should be improved

From: Terry Lambert (tlambert2_at_mindspring.com)
Date: 10/30/03

  • Next message: Terry Lambert: "Re: problems with sysinstall" 
    Date: Thu, 30 Oct 2003 03:13:57 -0800
To: Ulrich Spoerlein <q@uni.de>

    Ulrich Spoerlein wrote:
    > On Tue, 28.10.2003 at 23:29:03 -0800, David O'Brien wrote:
    > > It is NOT useless. Why do you think it is? Perhaps you don't relize
    > > that some BIOS's wont boot from a hard disk that isn't partitioned to
    > > agree with the specifications of the PeeCee. If you want to treat your
    > > PC as a Sun, don't -- buy a Sun, FreeBSD runs on that too.
    >
    > What exactly do you mean by "PC Specification"? I'm not trying to make a
    > "dangerously dedicated" disk. I just don't need a spare 63 sectors for
    > DOS-compatibility. And leaving the first 63 sectors untouched is a
    > DOS-ism, not a PC-ism.

    Ironically, the best reference for FDISK-style layout of partition
    tables, use of the fields in the FDISK partition table structure,
    and general reference on checksums, 0xAA55, and the rest that I
    have ever found is the PReP specification, chapter 6.

    That's Power PC Reference Platform Specification, in case you were
    wondering; it's a Motorolla document intended for use on Motorolla
    hardware.

    Some DEC (Compaq? Hewlett-Compaqard?) Alpha firmware has the same
    requirement that PReP has in this regard.

    So do most OSs that run on x86 hardware, even when they are run on
    non-x86 hardware (Solaris, et. al.).

    I agree that the code could be cleaned up, but the layout on the
    disk is pretty intentional.

    -- Terry
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  • Next message: Terry Lambert: "Re: problems with sysinstall"

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