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The GeForce 210 Guide for Mavericks

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The PCI root value identification method explained by Rene is, by far one, the best way to proceed as it gives accurate results. However, the returned PCI root value is not necessarily 0 or 1, that is incorrect. For instance, many Dell high-end PCs or workstations actually have a value of 4 configured in the BIOS DSDT table.

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As far as I know, all bootloaders use a default PCI root value of 0, hence the option to specify alternative values. As such, on those afore mentioned Dell systems, you never obtain proper graphics acceleration or suitable card recognition unless you opt for PciRoot=4. A "fix" for this consists of patching the DSDT table by modifying the Device (PCI0) _UID value from x to 0 (zero). You can then safely boot without any PCI root option. Most Hackintosh systems, if not all, fully support this kind of patch.

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Ex:

-> Before:

? ? ? ?Device (PCI0)? ? ? ? {? ? ? ? ? ? Name (_HID, EisaId ("PNP0A03"))? ? ? ? ? ? Name (_UID, 0x04) /* old default UID */? ? ? ? ? ? Name (_ADR, Zero)

-> After:

? ? ? ? Device (PCI0)? ? ? ? {? ? ? ? ? ? Name (_HID, EisaId ("PNP0A03"))? ? ? ? ? ? Name (_UID, Zero) /* new modified UID */? ? ? ? ? ? Name (_ADR, Zero)
Edited by RV_ABZ

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