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NV GT420M works on OS X 10.6.5 now!


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#1
larryonline

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http://bbs.pcbeta.co...819284-1-1.html

You might read the original topic if you are good at Chinese. We are the first to crack GT420M on OS X 10.6.5.

Spec:
ACER ASPIRE 4741G

CPU: Intel Core i5 430M
RAM:2G DDR3
HD: 500G
Graphic card: NVIDIA GT 420M 1024MB
Audio: ALC272
Wifi: AR5B97------not working, already replaced with AR9280
LAN:BCM57780


software and driver required:

1. Chameleon v2.0-RC5 r650
http://www.kexts.com...0-rc5_r650.html

2. Nividia drivers geforce 4xx+580 (tweaked by tony) : (NV Mac OS X Driver Release_256.01.00f03 also works, but you need to install it through 3 packages which are extracted from the original pack)
http://www.kexts.com...ed_by_tony.html

3. Moded DSDT.AML for Acer 4741G

Actions required:

1. install Chameleon v2.0-RC5 r650
2. install Nividia drivers geforce 4xx+580 (tweaked by tony)
3. go find GeForce.kext and NVDAGF100Hal.kext in Extensions folder,then right kick each and modify the info.plist by inserting the GT420M ID. By the way, my GT420M ID is 0x0df110de:
GeForce.kext:
<key>IOPCIClassMatch</key>
<string>0x0df110de</string>

NVDAGF100Hal.kext:
<key>IOPCIPrimaryMatch</key>

<string>
0x0df110de0xffe0ffff
0x0dc010de0xffc0ffff
0x0e2010de0xffe0ffff
0x0ee010de0xffe0ffff
0x0f0010de0xffc0ffff
0x104010de0xffc0ffff
0x108010de0xffe0ffff
0x0e2210de0xffe0ffff
</string>

save both after modifying.

4. Copy the attached DSDT.AML to Extra folder and modify com.apple.Boot.plist by adding 2 lines into it as follows:
<key>DSDT</key>
<string>/Extra/dsdt.aml</string>



5. Disk tool------->repair disk permissions. Then restart your computer and see if it works.

DONE. You might also try it on GT425M or GT445M to see if it works.

PS: Some friends tried this method and found that it could still drive GT420M even if GeForce.kext and NVDAGF100Hal.kext were not modified with hardware IDs.

Attached Files



#2
just a kiss

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楼主你无敌啊!!!牛!!

good work!!!!!

#3
bigmpanhom

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GOOD work GT415M (acer 4741g i5 ) i thaiand

:(

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#4
radiuzz

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hi im new here, first of all thanks for posting this topic

i see that some of you guys have succeeded with 420m and 415m

and i would like to know if anyone have tried this method to

gt 425m..or any result after giving a shot

i am really desperate to installing os x and suffered for a month

any help is very pleased

thanks for reading

cheers

PS - i have tried the method above and failed..either the method doesn't work on 425m
or maybe i did something wrong..

#5
larryonline

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hi im new here, first of all thanks for posting this topic

i see that some of you guys have succeeded with 420m and 415m

and i would like to know if anyone have tried this method to

gt 425m..or any result after giving a shot

i am really desperate to installing os x and suffered for a month

any help is very pleased

thanks for reading

cheers

PS - i have tried the method above and failed..either the method doesn't work on 425m
or maybe i did something wrong..


Hey man. I must say DSDT is the critical part in driving GT420M and this DSDT.aml is only working for Acer 4741G. As far as i know, there are no models with GT425M in 4741G. I have no idea about what your NB's spec is. So i could only suggest that trying to patch your own DSDT until it works.

#6
bigmpanhom

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Thank you k. Iarryonline

GOOD NVIDIA GT 415M OK :)

Posted Image

#7
larryonline

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Thank you k. Iarryonline

GOOD NVIDIA GT 415M OK :P



Good job! Did you change the Graphics info into GT415M on your own? Smart guy. I forgot to mention that the GT420M hardware info was fixed in DSDT.

#8
bigmpanhom

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-_- 2GB DDR3 1066Mhz ok good :D

:wacko: 2GB DDR3 1066Mhz no good :blink: = DDR 2 SDRAM 800Mhz !!!!!!

How
repair

Posted Image

:D :angel: :angel:

#9
VideoSpigot

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This patch only works due to the 420M in your Acer isn't paired with Intel chipset. Others with Optimus aren't so lucky.

#10
dardan

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Hello friends i wanted to know i have an Aspire 5742g question is do i have any chance making a 100% Hackintoch thanks

Spec:
ACER ASPIRE 4741

CPU: Intel Core i5 460M
RAM:4G DDR3
HD: 750G
Graphic card: NVIDIA GT 420M 1024MB
Audio: ALC272
LAN:BCM57780

wifi i am having an ar9280 chipset

#11
ArKayDe

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Without modding my GT 420M only shows with 512MB even though it has 1GB.

Will try modding later.

#12
cura

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hi guys, i was looking for a wolktrought to install on this notebook, can anyone link me a guide? Seems like that there are no guide on this forum! Tnx!!!

#13
dardan

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any news for those who has nvidia 420m optimus and intelHD like mine everythings works except my graphics i have acer aspire 5742g
Nvidia gt 420m and IntelHD wich gives me
Display:

Type: GPU
Bus: Built-In
VRAM (Total): 64 MB of Shared System Memory
Vendor: Intel (0x8086)
Device ID: 0x0046
Revision ID: 0x0002
Kernel Extension Info: No Kext Loaded
Displays:
Display:
Resolution: 1024 x 768
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes

and for nvidia this
Display:

Type: GPU
Bus: PCIe
PCIe Lane Width: x16
Vendor: NVIDIA (0x10de)
Device ID: 0x0df1
Revision ID: 0x00a1
Kernel Extension Info: No Kext Loaded
Displays:
Display Connector:


any help please or any news hope or something

#14
ULTIMATI

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can somebody help!!!,

i just update 10.6.5 to 10.6.6..sucess but after 1st restart all works fine...then after i shut down and leave my lappy a couple hour then turn it on im losing my sound...



acer 4741G

i7 740QM

Geforce 310m

8gb ddr3

alc272..



please help...

#15
consolepilot

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Would you think your method would work with other computer models as well? I have a Dell XPS 15 with the same graphics card, maybe your patch will work for me as well? (Without the DSDT part of course, because it is model-specific)

Cheers,
SPSPF

#16
fireofanor

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http://bbs.pcbeta.co...819284-1-1.html

You might read the original topic if you are good at Chinese. We are the first to crack GT420M on OS X 10.6.5.

Spec:
ACER ASPIRE 4741G

CPU: Intel Core i5 430M
RAM:2G DDR3
HD: 500G
Graphic card: NVIDIA GT 420M 1024MB
Audio: ALC272
Wifi: AR5B97------not working, already replaced with AR9280
LAN:BCM57780


software and driver required:

1. Chameleon v2.0-RC5 r650
http://www.kexts.com...0-rc5_r650.html

2. Nividia drivers geforce 4xx+580 (tweaked by tony) : (NV Mac OS X Driver Release_256.01.00f03 also works, but you need to install it through 3 packages which are extracted from the original pack)
http://www.kexts.com...ed_by_tony.html

3. Moded DSDT.AML for Acer 4741G

Actions required:

1. install Chameleon v2.0-RC5 r650
2. install Nividia drivers geforce 4xx+580 (tweaked by tony)
3. go find GeForce.kext and NVDAGF100Hal.kext in Extensions folder,then right kick each and modify the info.plist by inserting the GT420M ID. By the way, my GT420M ID is 0x0df110de:
GeForce.kext:
<key>IOPCIClassMatch</key>
<string>0x0df110de</string>

NVDAGF100Hal.kext:
<key>IOPCIPrimaryMatch</key>

<string>
0x0df110de0xffe0ffff
0x0dc010de0xffc0ffff
0x0e2010de0xffe0ffff
0x0ee010de0xffe0ffff
0x0f0010de0xffc0ffff
0x104010de0xffc0ffff
0x108010de0xffe0ffff
0x0e2210de0xffe0ffff
</string>

save both after modifying.

4. Copy the attached DSDT.AML to Extra folder and modify com.apple.Boot.plist by adding 2 lines into it as follows:
<key>DSDT</key>
<string>/Extra/dsdt.aml</string>



5. Disk tool------->repair disk permissions. Then restart your computer and see if it works.

DONE. You might also try it on GT425M or GT445M to see if it works.

PS: Some friends tried this method and found that it could still drive GT420M even if GeForce.kext and NVDAGF100Hal.kext were not modified with hardware IDs.




Fermi drivers are there.. are you getting random freezes or KPs ?

#17
peterbr

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Without modding my GT 420M only shows with 512MB even though it has 1GB.

Will try modding later.

Did you find out how to get the full 1GB recognized?

#18
rhcarmincke

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Can someone confirm his VGA-Out working with this solution ? Because i am getting black screen on both Laptop screen and External monitor when i try to use VGA.

#19
LowRidinCrew

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Is it a way for the Intel 5700HD to be done the same way since Im running an i3 330M with just intel graphics

#20
grandflash

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Hi,

is sleep working and wakeup working?

I would like to buy this laptop too, but it seems they changed the name of it. In Germany i found only a laptop named
Acer Aspire 5742G-5463G50Mnkk. The parts are the same.

Here is a ebay link, please have a look at it and please tell me if it is your laptop.
LINK

Thank you very much,

Alex





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