Re: Promise PDC20376

From: Alan Cox
Date: Tue Dec 02 2008 - 05:52:05 EST

> A small update to this. It seems the above mentioned interrupt fails
> somewhere around the 128GB boundary. Interrupt 13h, AH=42 uses a 64
> bit sector address and should be capable of addressing the entire
> drive. For a SATA controller, this limitation seems relatively
> arbitrary. For IDE controllers, a limitation such as this is
> apparently common.

137GB I would imagine. That is the point at which LBA48 commands must be
used not LBA28 and presumably their BIOS code only supports old format
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