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SubjectRe: 10.2 Gig HDD
On Thu, 21 Jan 1999, Guest section DW wrote:

> Which geometry is used? We can (and do) specify that ourselves with the
> INITIALIZE DRIVE PARAMETERS command to the disk.
>
> (Look at ide.c in the 2.0.36 source. We request setting a geometry by
> drive->special.b.set_geometry = 1;
> The routine do_special() will then output drive->cyl, drive->head,
> drive->sect using the WIN_SPECIFY=0x91=INITIALIZE DRIVE PARAMETERS command.)
>
> So, for modern hardware the disk never sees what we invented.
> For old hardware, we tell it.

The ideal solution is to perform a READ_MAX_ADDRESS for sizing, but that
does not exist yet. Then possibly followed by SET_MAX_ADDRESS for sizing,
but again that does not exist yet.

Cheers,
Andre Hedrick
The (NEW) Linux IDE guy
The APC UPS Specialist for Linux

http://www.dyer.vanderbilt.edu/server/udma/
http://www.dyer.vanderbilt.edu/server/apcupsd/apcupsd-3.5.2.bin.tar.gz

You just need a bigger hammer, or learn how to swing the one you have better.
(C) me.....


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