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10.5.6: NO DSDT Required!


~pcwiz
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Working great now, without dsdt but with powermanagement disabler cause voodoo can't stop the new one.

 

Yup, my system respond more faster without DSDT, everything I have is from 10.5.6 combo, the only thing I changed was the AppleHDA.kext :)

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I've read on leo4all.com that it's not needed ig you are using voodoo kernel, and the cases that do require it are those who are using Intel GMA900 GPU.

 

http://leo4all.com/2008/12/17/dsdt-is-it-needed-for-1056/

 

GMA900 does not require the use of DSDT when running 10.5.6 and nobody with GMA900 has ever had any issues without DSDT.

 

bhast2 at leo4all knows nothing.

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I updated my system w/o DSDT patch, but I got a KP. After replaced older appleRTC.kext from 10.5.5, now it's working.

 

...means that DSDT patching is usefull for some hardware ...

(did you try a clean install, just to know if there were no other reason, cause Netkas sais somewhere that restoring RTC .kext wouln't run ?)

thank

fred

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Well, i own a Gigabyte 945GCM-S2C with iAtkos 5i plain vanila. My main problem was making my Gigabyte 9600GT to work which i did. I decided to upgrade to 10.5.6 and did it without any change, actually i deleted DSDT too and nothing happened. Everything works well except for a shutdown and restart problem which was in 10.5.5 too so its not the reason for this.

I was thinking of installing any of the patched ACPI kexts so maybe reboot and shutdown might work again... what do you think about?

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I deleted DSDT, using Vanilla Kernel from the 10.5.6 combo update and PC-EFI 9 and works pretty good here!!! in fact, after I deleted DSDT, the system respond more quickly in shutdown and restarting.

 

See configuration in signature, vanilla kernel, chameleon DFE plus efi V8; upgraded to 10.5.6 ok without DSDT.

After the upgrade there are some small problems but solvable one is insoluble: Firewire is missing.

 

The solution to detect it again is: new chameleon plus efi v9 + DSDT patch.

DSDT is not necessary for the update to 10.5.6, but without the firewire is missing.

 

Best wishes for a Merry Christmas & Happy new year to all

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See configuration in signature, vanilla kernel, chameleon DFE plus efi V8; upgraded to 10.5.6 ok without DSDT.

After the upgrade there are some small problems but solvable one is insoluble: Firewire is missing.

 

The solution to detect it again is: new chameleon plus efi v9 + DSDT patch.

DSDT is not necessary for the update to 10.5.6, but without the firewire is missing.

 

Best wishes for a Merry Christmas & Happy new year to all

I can see the firewire in System Profiler without DSTS (specs in signature). Does this mean that it works or it's just a joke of my System Profiler?

Merry Christmas to all :(!

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OSX won't boot if I pull out DSDT.aml - after displaying the bootloader countdown it runs until the mac framework message, then it just sits there, there's no kernel panic or anything. Even single user mode doesn't work.

 

But I can still boot in XP and put it back using MacDrive.

 

I ran DSDTPatcher before upgrading to 10.5.6.

 

Catch 22:

 

If you run DSDTPatcher with DSDT.aml already present in the root folder (for example after a BIOS upgrade or to add something) DSDT.aml will be loaded in memory, and you're patching the one that's already patched!

 

A lot of exciting things are happening in this field and sooner or later you will want to patch your DSDT again.

 

Here's how to patch it again under OSX:

http://forum.insanelymac.com/index.php?sho...mp;#entry952524

 

....but first you need an unmodified DSDT.dsl.

 

Here's how to extract and decompile DSDT.aml (to get DSDT.dsl - the file you need to patch) from an AMI motherboard BIOS file - in Windows:

http://forum.insanelymac.com/index.php?s=&...st&p=804822

 

Here's a new DSDT patching swiss army knife type tool that runs under Windows and requires .NET 3.5.

It's more compatible with Award BIOS:

http://forum.insanelymac.com/index.php?showtopic=142434

My mobo has AMI BIOS and so far I haven't been able to get this tool to extract the DSDT from my BIOS file or patch the one I've extracted manually.

 

/edit - as of version 0.2 beta the above patcher works with AMI BIOS as well. I've used it to extract and patch my DSDT and it works.

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Its official: no DSDT patch required for 10.5.6 :) Just update like you normally would and its usually good

 

I have no idea if I need the DSDT patch, but the normal update does not work for me. Each time, it has hosed my system :

 

http://forum.insanelymac.com/index.php?sho...=143976&hl=

 

So folks, disregard this fellow's sunny outlook on this. It may work, but it does not for some people. And when it does not, it means a painful rebuild lasting hours. Now if I could only make hibernate work on this laptop, I would not want this upgrade.

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