tech-kern archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]


On Mon, Dec 07, 2009 at 10:16:25AM +0100, Manuel Bouyer wrote:

> LBA48 uses the same LBA registers as LBA24, you write to
> the registers twice to give transfers LBA and size. Some controllers
> designed before LBA48 may have unpredictable behavior with such
> write sequence.

I can understand this to be a problem for SATA, but with PATA the
'controller' and the registers are part of the drive electronics.

Am I wrong?

                                Michael van Elst
                                "A potential Snark may lurk in every tree."

Home | Main Index | Thread Index | Old Index