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How to: ATI 4850 working on SL


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#1
scorcho

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Updated September 21, 2009

Getting the 4850 to work in SL. While you'll find a couple of methods in this thread involving a litany of old and new kexts, the two below are probably the best. If either one doesn't work for you try the other methods below! Massive thanks to netkas for PCIEFIv10, and hawgguy for the second method.

FIRST METHOD
works best if you're already using Chameleon 2 or PCEFI 10. Also works in both x32/x64 and without the need for an adapter in second DVI port.

1. Install the latest version of PC EFI (10.3) and enable graphics injection in your com.apple.Boot.plist with this string -
<key>GraphicsEnabler</key>
<string>Yes</string>
2. Modify ATI4800Controller.kext in System/Library/Extensions to add the 4850 ID - go to your S/L/E directory and copy the ATI4800Controller.kext to your desktop.
3. right click on the copy you made and select 'Show Package Contents'
4. open Contents and double-click on Info.plist.
5. scroll down till you find -
<string>0x94401002 0x944a1002</string>
REPLACE it with the following code and save the file
<string>0x94401002 0x944a1002 0x94421002</string>
6. download Kext Utility and drag the edited .kext onto the program icon - http://www.insanelym...howtopic=140647
7. once your caches have regenerated reboot and you should have the 4850 working with full QE/CI. Enjoy!

---------------------------------------------

SECOND METHOD

A couple of steps are needed, but the end result will be no new .kexts added to your install, NO dvi2vga adapter.

1. Download gfxutil from here - http://forum.netkas....topic,64.0.html
2. launch gfxutil through terminal with the following argument without quotes '-f display'. copy down your PciRoot information; you'll need this later.
3. save the following plist to your desktop - http://www.rakov.net/HD48x0.plist
4. Replace the PciRoot information in the plist with the one you generated earlier and save the file.
5. from your terminal launch gfxutil with the following argument without quotes '-i xml -o hex AAAA BBBB', where AAAA is the location of the plist you saved, and BBBB is the location of the hex file you just created from the plist.
6. take the contents of the hex file and add it to your current or new com.apple.boot.plist file like so -
<key>device-properties</key>
<string>HEXCODE</string>
if you already have an EFI string in your boot.plist, you will need to decomplie the hex, add it to your plist, and recompile the new hex as a combined efi string. while beyond the scope of this tutorial, you can find out more info by browsing through this thread - http://forum.netkas....topic,64.0.html
7. go to your current S/L/E directory and copy the ATI4800Controller.kext to your desktop.
8. right click on the copy you made and select 'Show Package Contents'
9. open Contents and double-click on Info.plist.
10. scroll down till you find -
<string>0x94401002 0x944a1002</string>
REPLACE it with the following code and save the file
<string>0x94401002 0x944a1002 0x94421002</string>
11. download Kext Utility and drag the edited .kext onto the program icon - http://www.insanelym...howtopic=140647
12. once your caches have regenerated reboot and you should have the 4850 working with full QE/CI. Enjoy!


OTHER METHODS if the above doesn't work for you

1. evoenabler.kext (linked in this thread) + edited ATI4800Controller.kext <- works in both 32 and 64-bit mode.

2. using tzl's EFI string and two .kexts from 10.5.8 - http://www.insanelym...p...t&p=1235118 <- this will not work in 64-bit mode!

3. evoenabler + two .kexts from 10.5.8 <- will not work in 64-bit mode!

#2
c0h1b4

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Howdy all!

I've tried a few times to get my ATI 4850 to work with Snow Leopard without success. I used blackosx's recommendation to install SL on a clean partition from my hackintosh. I then installed chameleon RC1, swapped it for PCEFI 10.1, and added the required kexts to E/E.

Next I followed netkas' instructions to copy aty_init.kext to S/L/E and added my card's device id to ATI4800Controller.kext, but it still boots to a gray screen. Has anyone had success?


I have this same card and I also am on the gray screen. As I understand, aty_init.kext is 32 bits and need to be ported to 64 bits. Also I read on a post on netkas.org that Snow Leo works with 4850 nativelly.

To be honest, I am really thinking about going to a nvidia 250gt or something like this. Putting the 4850 to work on Leo was a bag of pain. I used to have a 8600gt and everything was so smooth...

Does anyone suggests any vga board that is easy to use with SL?

#3
KariNeko

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Sorry for being off topic

Does anyone suggests any vga board that is easy to use with SL?


Good question!. We could create a new thread at buying guides/advices.

#4
scorcho

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I have this same card and I also am on the gray screen. As I understand, aty_init.kext is 32 bits and need to be ported to 64 bits. Also I read on a post on netkas.org that Snow Leo works with 4850 nativelly.

To be honest, I am really thinking about going to a nvidia 250gt or something like this. Putting the 4850 to work on Leo was a bag of pain. I used to have a 8600gt and everything was so smooth...

The only way to get SL working on my system is to completely delete all ATI drivers in S/L/E. After that SL runs perfect on my board (P45-UD3P). Arg.

Although I had very little issue getting my card running in 10.5.8 - all I needed to install was ayt_init.kext. This is proving much more complicated.

#5
cyp75

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Same problem here.

The only solution to have at least something on the screen, is to delete all the ATI kexts.

It's weird, because it works well on 10.5.8, and netkas doesn't seem to respond to multiple comments about that problem, as it seems to only concern 4850.

I hope a workaround will appear, maybe netkas will read this thread ?

#6
yoyodude

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I have a 4870 and under SL, before I put in an EFI string for the card, my machine seemed to freeze in boot on the grey screen. After I put the EFI string in place, the graphics mode starts up, but I get black and white garbage on screen instead of the real graphics mode...

#7
madhias

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I have a 4890, which works fine only with enabler installed and QE/CI pkg afterwards. A 4870 works also fine for me, aren't the 4850 and 4870 both RV770 chips with not that big difference?

#8
cyp75

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I have a 4890, which works fine only with enabler installed and QE/CI pkg afterwards. A 4870 works also fine for me, aren't the 4850 and 4870 both RV770 chips with not that big difference?


Hi, thanks for your feeback.
Could you post informations about you 4870 working in SL please ?
Maybe we could compare the BIOS informations from your card with another 4870 (yoyodude, post the same info please), and try to find out why only one is working, and apply those findings to 4850.

An again, Netkas, if you could, please help us, a lot of people will be concerned in the next couple of weeks.

#9
tzel2

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Hello,
My 4850 works in SL 32 bit,
I use gfx strings, ATINDRV.kext and ATIRNDRV.kext from Leopard, no need to add devid in ATI4800Controller.

Attached is my gfx-string
remember to change PciRoot(0x0)/Pci(0x3,0x0)/Pci(0x0,0x0) with yours, convert the plist to hex and add the result in your com.apple.Boot.plist

You can get your PciRoot with gfxutil from here : http://forum.netkas....topic,64.0.html
EDIT 03-sept-2009:
Snow 32-64 bit works with EVOEnabler+ devid in ATI4800Controller only, no efi strings, no need for ATINDRV from leopard.

Attached Files



#10
berlindude

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Hello tzel2,

which 4850 card do you have exactly? Do you have dual monitor working on SL? If you you have dual monitor working, do you have extended desktop or mirror? Do you need dvi to vga adapter for singlemonitor?

Thanks and regards!
berlindude

Hello,
My 4850 works in SL 32 bit,
I use gfx strings, ATINDRV.kext and ATIRNDRV.kext from Leopard, no need to add devid in ATI4800Controller.

Attached is my gfx-string
remember to change PciRoot(0x0)/Pci(0x3,0x0)/Pci(0x0,0x0) with yours, convert the plist to hex and add the result in your com.apple.Boot.plist

You can get your PciRoot with gfxutil from here : http://forum.netkas....topic,64.0.html



#11
netkas

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for my 4850 I'm using gfx-strings i made basing on 4870 for macpro.

I can post it here if you want,

if u dont have 4850 workign with aty_init, then there is no point in porting aty_init to x64

#12
scorcho

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netkas: that would be great if you could. would we still need to use the injector and patch the ATI files in this case? also, would we still need the vga adapter on the 2nd dvi port?

#13
tzel2

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Hello tzel2,

which 4850 card do you have exactly? Do you have dual monitor working on SL? If you you have dual monitor working, do you have extended desktop or mirror? Do you need dvi to vga adapter for singlemonitor?

Thanks and regards!
berlindude


I believe it's a standard 4850 card, a dell model 2 dvi and svideo, yes I have dual monitor working, extended desktop, and yes for a single monitor u need the adapter.

You could also try this new injector, supposed to work in 64 bit

http://rapidshare.de...0.kext.zip.html

#14
Avakov

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netkas, in your 4890 QE\CI pkg I see my card ids in Info.plists.
My card is Palit 4850 512mb.
But my card works with ATY_Init. Plz, compile for 64.

#15
scorcho

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Hello,
My 4850 works in SL 32 bit,
I use gfx strings, ATINDRV.kext and ATIRNDRV.kext from Leopard, no need to add devid in ATI4800Controller.

Attached is my gfx-string
remember to change PciRoot(0x0)/Pci(0x3,0x0)/Pci(0x0,0x0) with yours, convert the plist to hex and add the result in your com.apple.Boot.plist

You can get your PciRoot with gfxutil from here : http://forum.netkas....topic,64.0.html

tzel2 - thanks for your response! is it as simple as finding the path to my device, adding it to the plist and adding that to my com.apple.boot.plist in /extra?

Has anyone else trying this managed to get it to work? (sorry for questions, won't have access to my hackintosh till tonight).

#16
cyp75

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It worked here.
Tzel2's method is great.

After changing the PciRoot, i converted the file to hex with gfxutil, and added this to the com.apple.Boot.plist
Then, i took the two kexts from 10.5.8 combo update, and put them in S/L/E.
And it worked without ATY_init.

However, I haven't tried with x64 kernel, all in 32 bit.

For now, i'm back to 10.5.8, too many KPs, I'll wait for improved solutions with my P5WDH.

But it's great news for 4850 owners with Snow Leopard !

#17
halsaman

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You could also try this new injector, supposed to work in 64 bit

http://rapidshare.de...0.kext.zip.html


Gigabyte Radeon 4850 GV-R485MC-1GI works here with this evoenabler and 10.5.8 atindrv in /S/L/E. I also had to enter the dev-id in ATI4800Controller.
Dual dvi works, qe/ci appears to be working, yet not shown in system profiler. Sleep doesn't work, but it may be unrelated to video card.

p35-ds3p, 10a432.

#18
scorcho

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Finally got around to testing this out. Extracted the 10.6 ATI drivers and reinstalled them into S/L/E. Followed Tzel2's method, which took a few minutes to figure out since I'm not use to digging through EFI strings and the like. A reboot later and I had working QE/QI with full resolution switching. My only issue was a bounch/jumpy screen.

Took a stab in the dark and installed evoenabler.kext into S/L/E, repaired permissions and that fixed the problem. I did not need to add my device ID into any .kext, which I assume was handled by the EFI string.

Thanks for all your help!

#19
FierceDeityLink1

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I can also confirm that this works (GFX EFI strings plus EVOenabler, ATINDRV/ATIRNDRV). Thanks for the advice!

#20
zet120

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Works 64bit...

Edit Info.plist - ATI4800Controller.kext

..…..……
<key>IOPCIMatch</key>
<string>0x94421002 0x944a1002</string>
..…..…………………..


add EVOenabler.kext Clik

:D

P.S.

source: click





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