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I have succeed flashing my Renesas uPD720202 by using Caldigit subsystemvendor id & subsytemid. my mobo sec: mb : GA Ep45-UD3P ram: 8g GPU: ATI 4850 512m CPU: Xeon E5450 OSX: 10.10.5 / 10.11.6 PCI card: Renasas uPD720202 The usb3 will not show in the system information USB tree when running...

There is no \_SB.PCI0.LPCB.EC0.SPIN on your ssdt , you don't need it. ssdt-7 & ssdt-8 are the same, drop one of them.

Please look the attached file. Graphic Enabler=yes

Add 0x94421002 in ATI4800controller.kext

Mine is P5Q,you may try it.

Please check the file I have attached .

My MB is P5Q .I had same problem before in ML.But after I patch dsdt for Intel ESB2 AHCI, everything seem OK.

Good to see that ! Thank you.

Do you have dsdt.aml ?

You need AttasicL1eEthernet.kext

For my pc,I edited ATI4800conroller.kext,Applehda.kext,AppleRTC.kext these 3 kexts. For ethernet card,I install AttansicL1eEthernet.kext my pc spec: mb : Asus P5Q Ram : 4 G Graphic card: Gigabyte ATI4850 512g on board sound car :ALC1200

Just add your ID(0x94421002) in the ATI4800controller.I have the same card and it worked with this method plus dsdt since Lion.

I have the same mother board.I also install ML success. Sleep,lan,sound all woking. M B : P5Q Ram : 4 G GPU: ATI 4850 512g

P5Q + ATI HD4850 ok Reinstall HDA, add ID 0x94421002 in info.plist ( ATI4800Controller.kext)

You may use 10.6.2 applehda.kext .I fixed it after installed this.