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Compiling ACPI v2.0 driver for Windows XP SP3 and Windows 2003 SP2 (x32/x64)

Mov AX, 0xDEAD

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  • 1 month later...

64 bit:  and     rax, 0fe000000H        

32 bit:  and     eax, 0fe000000H

they did this like that ? the FE is are bits 31-25 ok

but rax is a 64 bit registers the entire 32-63 bits would be left out, so they have to be certain that what they are changing here
is only 32 bits

the same question raise for the rcx move if it contains more then 32 bits the others are skipped

the same for the next part , sure it depends what is being done here and what bits are need or not 
they should know what they are doing 

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  • 2 weeks later...
Posted (edited)
On 2/25/2024 at 4:58 PM, Dietmar said:


if somebody has interest for the whole ACPI Multiprocessor XP SP3 for the HP 255 g6,

just mail me


EDIT: This image works also for the HP 15-bw000ng.

But the Paragon 17 tool has problems with different sizes of harddisks.


    1.) Unzip with 7zip all files.

    2.) With Rufus 2.18 put the Paragon.iso to an empty USB stick.

    3.) After this, copy the Job-202402251402635 (contains the XP SP3 image)
        to the same USB stick.

    4.) Put the USB stick to the HP 255 g6 notebook.
        Be sure, that the harddisk from the HP 255 g6 is empty or can be formatted with NTFS and MBR.

    5.) Boot the HP 255 g6 from this USB stick (F9).

    6.) Extract the full ACPI-Multiprocessor XP SP3 image in Job-202402251402635
        to this harddisk in the HP 255 g6 via Paragon.

       Good luck


Hello Dietmar! I am actually trying to restore your backup on an empty hdd. But i need the paragon iso you once gave me. I tried an iso i found on the internet but it doesn't give me the option to restore backup image. 

I think i will also need the backup image that you created. 

Edited by ZEPH999
Forgot to mention a backup
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