DSDT patch requests

Q: What is a Hackintosh?

A non-Apple computer configured to run macOS using compatible PC hardware combined with a custom bootloader and configuration files to emulate a real Mac environment.

Q: Is building a Hackintosh legal?

Installing macOS on non-Apple hardware violates Apple’s End User License Agreement (EULA). It is generally not illegal for personal experimentation but not permitted for commercial use.

Q: What hardware is best for a Hackintosh?

The best hardware closely matches real Apple systems, with Intel CPUs (6th Gen to Core Ultra), AMD Radeon GPUs, compatible chipsets, and Intel-based Wi-Fi cards offering higher success rates.

Q: Can I build a Hackintosh with an AMD CPU?

Yes, macOS can run on AMD Ryzen CPUs using kernel patches, but Intel CPUs provide better native compatibility.

Q: What is OpenCore?

OpenCore is a modern Hackintosh bootloader that provides near-native macOS behavior and is the recommended bootloader for new installations.

Q: Is Clover still supported?

Yes, Clover is still supported but less recommended compared to OpenCore for modern systems.

Q: Which macOS versions support Hackintosh?

Hackintosh systems support macOS versions from Leopard up to recent releases, depending on hardware compatibility.

Q: Do NVIDIA graphics cards work on Hackintosh?

Only older NVIDIA GPUs work on older macOS versions; modern NVIDIA GPUs are incompatible with current macOS releases due to lack of driver support.

Q: What is an EFI folder?

The EFI folder contains the bootloader, drivers, kexts, and configuration files required to boot macOS on a Hackintosh.

Q: What are kexts?

Kexts (kernel extensions) are drivers that enable hardware functionality such as audio, Ethernet, USB, and graphics.

lgda · February 5, 2015

Hello,

I just discovered these forums and I'm impressed and really grateful for the kind of help you're providing here.

I'm trying to fix kernel panics occurring sometimes when waking-up after a sleep.

Maybe that's not the correct place to ask for this but ...

By editing the DSDT file:

- would it be possible to have OS X recognize my CPU's frequency (my cpu is overclocked at 4.7 Ghz and the system sees it at 4 Ghz) ?

- would it be possible to improve USB3 performances (they're not as good as when I boot on windows) ?

- what kind of improvements would result by just fixing the compilation error of the extracted DSDT ?

My hackintosh is working pretty well (except for the wake-up issue) but I'm curious and interested to find out more about this DSDT and what can be done with it.

Motherboard : GA-Z97X-UD5H

CPU : i7 4790K (over-clocked at 4.7 GHz)

Thanks !

Send me Auguste.zip

artur-pt · February 5, 2015

hello

1 - no , what the loader see is the stock cpu

u can try in loader set the frequency

2 - maybe with dsdt patch

3 - nothing .. when u decompile it .. that is what generating the errors .. and if u don't apply any patches leave it original

sleep

see in console query msg about

wake

i will see ur dsdt later .. maybe this night

good hack

lgda · February 5, 2015

Not sure that's what you're requesting but here are some logs about Sleep/Wake I was able to find in the console just before the kernel panic occurred.

05/02/2015 18:35:36,144 coreaudiod[337]: 2015-02-05 06:35:36.143861 PM [AirPlay] Power: SystemWillSleep
05/02/2015 18:36:38,000 kernel[0]: ACPI: sleep states S3 S4 S5
05/02/2015 18:36:38,000 kernel[0]: Sleep failure code 0x00002602 0x27006900
05/02/2015 18:36:39,686 apsd[53]: Attempt to set push wake topics without dark wake enabled: ()
05/02/2015 18:36:40,775 discoveryd[52]: Basic SleepProxy BSP Server Disabled. Metric = 3373
05/02/2015 18:36:40,790 discoveryd[52]: Basic SleepProxy Could not get the primary interface
05/02/2015 18:36:40,790 discoveryd[52]: Basic SleepProxy Sleep Proxy Server is not enabled
05/02/2015 18:36:45,774 discoveryd[52]: Basic SleepProxy Could not get the primary interface
05/02/2015 18:36:47,640 apsd[53]: Attempt to set push wake topics without dark wake enabled: ()
05/02/2015 18:36:47,641 apsd[53]: Attempt to set push wake topics without dark wake enabled: ()
05/02/2015 18:36:47,641 apsd[53]: Attempt to set push wake topics without dark wake enabled: ()
05/02/2015 18:36:47,642 apsd[53]: Attempt to set push wake topics without dark wake enabled: ()
05/02/2015 18:36:47,643 apsd[53]: Attempt to set push wake topics without dark wake enabled: ()
05/02/2015 18:36:47,643 apsd[53]: Attempt to set push wake topics without dark wake enabled: ()
05/02/2015 18:36:47,644 apsd[53]: Attempt to set push wake topics without dark wake enabled: ()
05/02/2015 18:36:47,848 apsd[53]: Peer [pid=346] requested push wake but lacks APSPushWakeEntitlement

Thanks again.

artur-pt · February 5, 2015

@lgda

hello

try this one .. but Z97 is very experimental .. none mac have that chipset

DSDT.aml.zip

good hack

lgda · February 6, 2015

Hello and thank you for this file !

I tried it and it just won't boot (I put it in the CLOVER/ACPI/patched directory).

When I boot using the verbose mode I got this:

Longterm timer threshold: 1000 ms
PMAP: PCID enabled
PMAP: Supervisor Mode Execute Protection enabled
Darwin Kernel Version 14.1.0: Mon Dec 22 23:10:38 PST 2014; root:xnu-2782.10.72~2/RELEASE_X86_64
vm_page_bootstrap: 4005032 free pages and 156504 wired pages
kext submap [0xffffff7f80a00000 - 0xffffff8000000000], kernel text [0xffffff8000200000 - 0xffffff8000a00000]
zone leak detection enabled
"vm_compressor mode" is 4
multiq scheduler config: deep-drain 0, urgent first 1, depth limit 4, band limit 127, sanity check 0
standard timeslicing quantum is 10000 us
standard background quantum is 2500 us
mig_table_max_displ = 13
TSC Deadline Timer supported and enabled
"name" not a kext
"FailedCLUT" not a kext
"FailedImage" not a kext
AppleKeyStore starting (BUILT: Dec 22 2014 23:20:35)
FakeSMCKeyStore: started

And nothing else.

Regards,

lgda

artur-pt · February 7, 2015

hello

now u have a patched dsdt ..

so if u use any clover patch for the dsdt must disable it

i'm sure u have something in conflict in the config..

http://clover-wiki.zetam.org/Configuration#Config.plist-structure

good hack

lgda · February 7, 2015

Hello,

I had no DSDT patch in my Clover configuration.

<key>ACPI</key>
<dict>
	<key>DSDT</key>
	<dict>
		<key>Debug</key>
		<false/>
		<key>DropOEM_DSM</key>
		<false/>
		<key>Name</key>
		<string>DSDT.aml</string>
		<key>ReuseFFFF</key>
		<false/>
	</dict>
	<key>SSDT</key>
	<dict>
		<key>DropOem</key>
		<false/>
		<key>EnableC6</key>
		<true/>
		<key>Generate</key>
		<dict>
			<key>CStates</key>
			<true/>
			<key>PStates</key>
			<true/>
		</dict>
	</dict>
</dict>

I tried to remove this whole section but the result was the same. It won't boot.

I must be doing something wrong but I have to admit I have no idea what.

I've uploaded the config file in case you want to take a look (I would totally understand if you didn't want to lose more time over my case so don't hesitate to just let it go).

Thanks for your help and time.

config.plist.zip

artur-pt · February 7, 2015

hello

i only change one key in dsdt section

config.plist.zip

really don't see any error in the photos .. only stuck there

give a read here

http://Olarila.com/forum/viewtopic.php?f=28&t=4084

good hack

lgda · February 8, 2015

Still the same result (BIOS correctly configured).

I know there are no error but it just seem to be stuck there forever.

Just to be sure, I only have to put the patched DSDT file in the patched folder, no "DSDT file" to remove anywhere else, right ?

Thanks for your help.

artur-pt · February 9, 2015

hello

yes .. and use the config just send before

good hack

lgda · February 9, 2015

Hello,

Ok, so that's what I did.

Thank you.

zacnut · February 11, 2015

Hello back again

(http://Olarila.com/forum/viewtopic.php?f=19&t=1131&start=1610#p45018)

wondering if the DSDT fixed for battery could also be fixed for PS2?

had some issues lately,

any help appreciated

zacnut · February 11, 2015

never mind clover update fixed it.

john808 · February 14, 2015

I have an Asus H97I-Plus.

There's originally 11 errors in the dsdt. Using PJALM's Intel Series-9 Generic Fixes and inserting DTGP in MaciASL, the errors drop to 4.

I can't fix the remaining 4 errors.

(3920) : Warning  1099 - Unknown reserved name (_WDG)
(10720) : Warning  1100 - Statement is unreachable
(13510) : Error    4096 - syntax error, unexpected '}', expecting '('
(13912) : Error    4096 - syntax error, unexpected PARSEOP_IF
(13915) : Error    4065 - Object not found or not accessible from scope (_SB.PCI0.XHC)
(13915) : Error    4089 - Forward references from Scope operator not allowed (_SB.PCI0.XHC)
(14252) : Warning  1099 - Unknown reserved name (_WDG)
(14438) : Warning  1099 - Unknown reserved name (_WED)
(14438) : Warning  1099 - Unknown reserved name (_WED)
(14438) : Warning  1099 - Unknown reserved name (_WED)
(15232) : Warning  1088 - Not all control paths return a value (_HID)
(15232) : Warning  1081 - Reserved method must return a value (Integer/String required for _HID)
2/14/15, 11:22:46 AM, Compilation complete. 4 Errors, 8 Warnings, 0 Remarks, 25 Optimizations

I appreciate any help. Thanks.

send_me.zip

artur-pt · February 14, 2015

hello

no errors .. don't know the patch u are trying to apply

DSDT.aml.zip

u should extract the all tables before boot with clover and without any fix

Where can you obtain the initial DSDT that needs to be patched? There are different ways involving Windows, Linux or OS X. If you were able to start Clover somehow, you can enter its GUI and press F4. If Clover was installed on a FAT32 partition, then it will be able to save all ORM ACPI tables, including DSDT and FADT. The process can take a while, especially when saving many tables to a USB flash drive. This is especially useful when you have no access to other means of extracting the table set, for example with AIDA64

http://clover-wiki.zetam.org/Fixing-DSDT#Technical-background

good hack

john808 · February 14, 2015

arthur-p, thanks for the prompt response and also for the useful tips.

I got your dsdt. Strange, but on my two different Mac OS X installs (Yosemite and Mavericks), it still gives me those errors when compiling with MacIASL 1.3 (252) with ACPI 4.0

(6236) : Error    4096 - syntax error, unexpected PARSEOP_ZERO
(8527) : Error    4096 - syntax error, unexpected '}', expecting '('
(8588) : Error    4096 - syntax error, unexpected '}', expecting '('
(8702) : Error    4096 - syntax error, unexpected '}', expecting '('
(8710) : Error    4096 - syntax error, unexpected '}', expecting '('
(8718) : Error    4096 - syntax error, unexpected '}', expecting '('
(9044) : Error    4096 - syntax error, unexpected PARSEOP_IF
(10877) : Error    4096 - syntax error, unexpected PARSEOP_ARG0
(13610) : Error    4096 - syntax error, unexpected '}', expecting '('
(14012) : Error    4096 - syntax error, unexpected PARSEOP_IF
(15902) : Error    4096 - syntax error, unexpected $end
2/14/15, 3:23:34 PM, Compilation complete. 11 Errors, 0 Warnings, 0 Remarks, 0 Optimizations

artur-pt · February 14, 2015

hello

should use acpi 5

and the problem it have so many methods in other tables

that's why when u decompile it again .. new errors

anyway what u are trying to do ? if u use clover just use the fix for dsdt..

when u decompile the tables ..if u don't open all always it have errors

good hack

john808 · February 14, 2015

arthur-p,

FIXED!!

The problem was that the default iasl4 compiler in MacIASL 1.3 (252) is really old: 2010-03-31

So I looked for a more recent iasl (version 20141107-64 [Jan 2 2015]), then put it in MaciASL/Contents/MacOS, renaming it to iasl4.

Now, once I insert DTGP and apply Pjaml's Intel Series-9 Generic fixes, my dsdt.aml compiled fine for the first time.

I wish it was mentionned somewhere to update the iasl if there are persistent errors that don't seem fixable.

Thanks.

LOPEZY · February 16, 2015

I have tried severally on my DSDT but I cant seem to get rid of these last 4 errors... I really need the help...

I have attached the send me zip

the errors are

6637, 6126, syntax error, unexpected ')'

6656, 6126, syntax error, unexpected PARSEOP_IF, expecting ',' or ')'

6662, 6126, syntax error, unexpected PARSEOP_IF, expecting ',' or ')'

6662, 6126, syntax error, unexpected ')'

Send me .zip

artur-pt · February 16, 2015

@LOPEZY

hello

try this one

DSDT.aml.zip

good hack

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