OSx86 on MSI P35 Neo

I've done some quick research and looks like the MSI P35 based boards won't work with os x without flashing a modified bios.

Here's the thread ↗ with more info and a possible solution. Good luck!

If you don´t wan t flash your bios, you can try the DSDT patch by mackerintel ↗ for the chameleon bootloader.
Install OSX Leopard with cpus=1, Download the atached file, defrag, open a terminal and type :

Sudo -s
(password)

cd /users/" your user"/desktop/DSDT
./GetDSDT
./iasl -d dsdt.dat

dont close the terminal, now edit the dsdt.dsl with a texteditor like textmate and look for something like this

Scope (_PR)
               {
                   Processor (P001, 0x01, 0x00000810, 0x06) {}
                   Alias (P001, CPU1)
               }

delete all the "Alias …" lines and save the file.

 Scope (_PR)
               {
                   Processor (P001, 0x01, 0x00000810, 0x06) {}
               }

now type

./iasl -f dsdt.dsl

now, rename dsdt.aml to DSDT.aml and move it into the root of macos partition.
If your Leopard installer is based on chameleon bootloader, replace the chameleon "boot" file loacted into the root partiton, for the patched one, located into the attached file, if the installer don´t use chameleon, install it and repeat this last step.

It works perfect with Asus P45 series, and it works perfect with the KP caused by the 1.2.2 version of the AppleRTC extension included with the new leopard DVD for the new macbooks 10.5.5 (9F20808) (ASUS & Gigabyte tested & passed)

in order to prevent the KP edit the dsdt.dsl and look for

 Device (RTC0)
                {
                    Name (_HID, EisaId ("PNP0B00"))
                    Name (_CRS, ResourceTemplate ()
                    {
                        IO (Decode16,
                            0x0070,             // Range Minimum
                            0x0070,             // Range Maximum
                            0x00,               // Alignment
                            0x02,               // Length
                            )
                        IRQNoFlags ()
                            {8}
                     })
               }

delete the "IRQNoFlags " & "{8}"

 Device (RTC0)
                {
                    Name (_HID, EisaId ("PNP0B00"))
                    Name (_CRS, ResourceTemplate ()
                    {
                        IO (Decode16,
                            0x0070,             // Range Minimum
                            0x0070,             // Range Maximum
                            0x00,               // Alignment
                            0x02,               // Length
                            )

                     })
                }

MSI P35 Neo works GREAT with 10.7.2

install iAtkos L2 standard and
non ahci

with E4500

@himacinstall iAtkos L2 standard and non ahci with E4500

audio here:
osx 86.net/downloads.php?do=file&id=929

Lion 10.7.2

i have the same mobo, could you please tell me more about the steps you took.