Re: Cylinder limits jumper for drives over 32GB

From: David Elliott (dfe@infinite-internet.net)
Date: Sat Mar 25 2000 - 21:44:37 EST

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    Andries.Brouwer@cwi.nl wrote:

    > > My current understanding:
    > >
    > > (i) The drive reports geometry 16383/16/63 and 80041248 sectors
    > > (ii) With J46 jumper it reports 4092/16/63 and 80041248 sectors
    > > (iii) After running JUMPON.EXE the report still is 16383/16/63 and 80041248.
    > > (iv) After running JUMPON.EXE and with jumper it is 16383/16/63 and 66055248.
    >
    > Well actually, the drive reports 65531/16/63
    >
    > No, it doesn't.
    > Do not confuse the Linux kernel CHS with the disk identify data CHS.

    DOH! In any case, I can verify 1, 3, and 4, but not two. I did actually have the
    drive in another computer before running jumpon and with the cylinder limits on. I
    never tested Linux on it though so I have no idea what the physical geometry was
    reported as (the BIOS translated the 66055248 sectors to 4111*255*63 though, same as
    my BIOS).

    I will try that hack you described and get back to you. Right now I went ahead and
    put the drive in and I am just real carefull not to span a partition accross that 32
    GB mark. (my linux partition ends on cylinder 4111).

    -Dave

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