How to disable integrated Intel HD graphics in order to use HD5470

[Piotrekk]

Hello,

 

I own a HP Pavilion dv6-3103eg with switchable graphics (Intel HD & ATI 5470 Mobility).

 

I would like to use only the ATI card since there is still no CI/QE support for the Core i3 - based Intel HD card.

There is no BIOS option to switch off the onboard card.

 

Would it be possible (Chameleon?) to define the second graphics card as the primary one used by OS X?

 

Best regard,

Pio

[FKA]

does each GPU not have it's own output port?

i.e. plug your monitor into the port for the ATI GPU?

[Piotrekk]

sorry, forgot to mention that my machine is a laptop and I want to use the internal lcd screen...

[st40611]

Same, wondering how to accomplish this.

[atlee]

i'm pretty sure if you can get the hardware id from the Intel HD GPU that it can be disabled inside of ATIRadeonX3000 kext.

 

<key>IOPCIClassMatch</key>
		<string>0x03000000&0xFFFF0000</string> <---CHANGE THIS TO REFLECT YOUR INTEL GPU CARD

 

An Example would be:

<key>IOPCIMatch</key>
		<string>0x68881002 0x68891002 0x68981002 0x68991002 0x689C1002 0x689D1002 0x68801002 0x68901002 0x68A81002 0x68A91002 0x68B81002 0x68B91002  0x68BE1002 0x68A01002 0x68A11002 0x68B01002 0x68B11002  0x68C81002 0x68C91002 0x68D81002 0x68D91002 0x68DE1002 0x68C01002 0x68C11002 0x68D01002 0x68D11002 0x68E81002 0x68E91002 0x68F81002 0x68F91002 0x68FE1002 0x68E01002 0x68E11002 0x68F01002 0x68F11002</string>
		<key>IOPCIClassMatch</key>
		<string>0x03000000&0xFFFF0000</string>
					<key>IOProviderClass</key>
		<string>IOPCIDevice</string>
		<key>IOSourceVersion</key>
		<string>1.6.18.18</string>
		<key>IOVARendererID</key>
		<integer>16908288</integer>
		<key>sensor-properties</key>

 

Only a guess from reading an article where you can disabled 2nd GPU inside of a ATI Radeon 5970.

If it can be done for Radeon I do not see why it cannot be done for the Intel GPU also.