Hi Guys, my hardware: 1. Dell Precision WorkStation T3400 2. DualCore Intel Core 2 Duo E8400, 3000 MHz (9 x 333), Zbiór instrukcji x86, x86-64, MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1 3. Intel Beachwood X38 (ICH9-R) 4. ATI Radeon HD 5750 (Juniper) 6. SoundMAX Integrated Digital HD Audio Device + Creative SoundBlaster 5.1 x-fi PRO usb 7. Broadcom NetXtreme 57xx Gigabit 9. Hard drive : SATA II I know that the error in the topic is related to the lack of drivers for SATA the problem is when I start MLiona (10.8.4) without dsdt is loaded nicely, but when I want to run DSDT, hangs a mistake Still Waiting for root device .. DSDT no difference whether it is modified or not .. In the BIOS, of course, I set AHCI. Switch to the IDE does not work. Checked on chameleon and clover .. I use to LegacyKext ICH9R (2922 - learned from windows) and so porridge, without DSDT a perfect start ... I add my DSDT in attachment .. sorry for my ENG. .. DSDT.aml.zip Attached files DSDT.aml.zip (5.2 KB) source ...