OS X 10.9 Mavericks on Lenovo ThinkPad X220

[njmingz]

I am using a Lenovo Thinkpad x220 with i7-2620M, HD3000 Integrated Graphics.

 

[RehabMan]

I am using a Lenovo Thinkpad x220 with i7-2620M, HD3000 Integrated Graphics.

You could try this patch that we use on the ProBook to enable VGA. Might work, provided you're using MacBookPro8,x smbios:

perl -pi -e 's|\x01\x02\x04\x00\x10\x07\x00\x00\x10\x07\x00\x00\x05\x03\x00\x00\x02\x00\x00\x00\x30\x00\x00\x00\x02\x05\x00\x00\x00\x04\x00\x00\x07\x00\x00\x00\x03\x04\x00\x00\x00\x04\x00\x00\x09\x00\x00\x00\x04\x06\x00\x00\x00\x04\x00\x00\x09\x00\x00\x00|\x01\x02\x03\x00\x10\x07\x00\x00\x10\x07\x00\x00\x06\x02\x00\x00\x00\x01\x00\x00\x09\x00\x00\x00\x05\x03\x00\x00\x02\x00\x00\x00\x30\x00\x00\x00\x04\x06\x00\x00\x00\x08\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00|g' ./patched/AppleIntelSNBGraphicsFB.kext/Contents/MacOS/AppleIntelSNBGraphicsFB

FYI: For VGA you must force detection in SysPrefs->Display "Detect Displays" (hold down option to show button).

 

[njmingz]

Is there anyway that I can change each step of the brightness control settings in the DSDT? Even at minimum brightness, it seems abit too bright. Thanks for all the replies.

JM

 

[RehabMan]

Is there anyway that I can change each step of the brightness control settings in the DSDT? Even at minimum brightness, it seems abit too bright. Thanks for all the replies.

JM

If your DSDT implements ACPI brightness methods... and they work, you can use ACPIBacklight.kext instead of native controls for brightness (if it works correctly, it is just like native brightness, but potentially better).

 

[trial2]

Hi, I'm new for this forum but come to say i'm feeling strange about this topic ) it starts with the pretty easy instruction that actually does only one thing- you will get maverick installation booting from the flash drive. Notes on dsdt are useless, just read the maciASL manual- it doesn't work this way. Maybe someone can tell us how should we use multibeast to make chimera boot with correct dsdt(btw many of them were listed here).

In fact, any can use this manual- http://www.thinkpads.com/forum/viewtopic.php?f=32&t=112210 at least you will get some more dsdt working, but seems this guy also stopped messing around with chimera...

 

[RehabMan]

Hi, I'm new for this forum but come to say i'm feeling strange about this topic ) it starts with the pretty easy instruction that actually does only one thing- you will get maverick installation booting from the flash drive. Notes on dsdt are useless, just read the maciASL manual- it doesn't work this way. Maybe someone can tell us how should we use multibeast to make chimera boot with correct dsdt(btw many of them were listed here).

Not sure what you mean by MaciASL/DSDT... You boot with your patched DSDT by placing it in /Extra/dsdt.aml, just as the instructions say.

 

[trial2]

As I can see "MaciASL patching" doesn't do any effect. I think many of the x220 owners will be pleased to know how to make chimera booting up..

 

[RehabMan]

As I can see "MaciASL patching" doesn't do any effect. I think many of the x220 owners will be pleased to know how to make chimera booting up..

The only patch in post#1 called out is for battery status. Requires battery manager kext as well...

I'm not sure what you're expecting to accomplish with that DSDT patch.

 

[njmingz]

As I can see "MaciASL patching" doesn't do any effect. I think many of the x220 owners will be pleased to know how to make chimera booting up..

Are you trying to say that you have installed OSX on x220 successfully but could not get chimera/chameleon to boot successfully without using the USB drive?

If thats the case, I think you have not set your SSD/Hard Drive as Master Boot Record. I had re-installed mavericks 5 times prior to knowing that. x220 does not boot hard drives as GUID Partition Table. And to install mavericks on a Master Boot Record Drive, you would have to patch your mavericks USB drive.

JM

 

[njmingz]

Btw, I would like to ask the number of hours you are getting off the battery using OSX as compared to windows? Should there be an increase in battery life, decrease in battery life or should it stay roughly the same? Thanks.

JM