Even if it is not, it was created for FreeBSD. Mac OS X uses identifier Darwin, which usually is missing. 2 : A DSDT contains certain dependencies on the operating system like Windows 98, Windows 2001, Windows 2006 or Linux. Usually a DSDT will still need to be corrected. Does Mac OS X really need HPET? Not really, but BIOS vendors tend to be slow and they just started writing the correct parameters. This kext can either be removed or blocker, however you can alternatively correct the DSDT to ensure a normal behaviour of this kext. The point is that OS X includes a kext named AppleIntelCPUPowerManagement for power management control (SpeedStep), which - by all means - needs interrupts IRQ 0 and 8. Why does it need to be fixed at all? DSDT patching was created with the intention to fix device HPET - High Precision Events Timer. It is better to do the corrections manually. Clover offers an option to automatically apply corrections, however it is important to understand that an artificial intelligence was not created yet and that the automatic method is far from being complete. Correcting this table means you need to have some sort of programming knowledge. These methods can contain arithmetic and logical expressions, representing a program written in a C-like programming language. This table describes devices and methods for accessing them. The minimal length is 36 bytes, in reality it is about 20 kb or even more. DSDT - Differentiated System Description Table - is the biggest and most complex ACPI table.
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