[LIB] Norton Ghost and EZ-Bios

[Raymond]

Date: Sun, 03 Nov 2002 20:11:17 +0800
From: Raymond <[EMAIL PROTECTED]>
Subject: Norton Ghost and EZ-Bios

Hi all!

Some of you may recall me trying to get EZ-Bios working on my libretto a while ago (that is, over a year ago) and making the observation that I couldn't get Norton Ghost working on it (it only sees 2 partitions, one of which is marked 'unknown' and either way it doesn't seem able to actually read any data).

Turns out I should have been doing a bit more thinking that I was ... EZ-Bios replaces the original INT13h BIOS calls with versions that support seeing over 1024 cylinders. Norton Ghost however uses direct IDE access by default which bypasses this altogether. The problem with this is that it ends up seeing the partition table shifted by 8k and gets horribly confused. You can tell it to preferentially use INT13h calls by applying the switch "-ffx" as in "ghost -ffx", this means Ghost now goes through EZ-Bios and sees the right info. I don't know how well this works with the more advanced Ghost options (-id for instance) but it should work with the more basic partition ghosting operations which don't touch the MBR.

One note though is I have yet to actually try restoring a ghost image done with this but all indications appear to be that it knows where everything is now and is pulling the data off correctly.

Hope someone finds this useful!


- Raymond

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