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Re: MBR Support for EDD Reads (> 8 GB)

From: Nick Holland (nickholland-consulting.net)
Date: Thu Jan 01 2004 - 16:45:37 CST

Sigfred Håversen wrote:
>
> Over at deadly.org, there is an article telling that there is initial support
> for booting with OpenBSD installed over 8GB, if one is using snapshots.
> This is very nice news.
>
> I installed a snapshot (i386, 31 december 2003) on a primary partition
> above 8GB, and got a 'Bad magic'. I'm not sure if a bug report should
> be filed or not, so I'll post here.

Unfortunately the story was released very incompletely, very
inappropriately.

What is in the snapshots is *just* the LBA capable MBR code.
This will NOT in ANY WAY allow you to do what you are attempting to do
by itself. It does not change the 8G limit by itself. It is just one
piece of the puzzle.

This MBR needs to be tested for compatablity with existing systems.
It has to not break anything. It isn't the whole solution in and of
itself.

Nick.
--
http://www.holland-consulting.net