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Lenovo ThinkPad T420 with UEFI Only

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@timewalker75a - wow that was easy. fantastic. just curious how do you/we know 1312 is the right max?!

 

@zhangqq - interesting. does this make  shutdown work (period) - meaning it did not work at all - or that is makes shutdown work better (ie not hang)?

1312 is the maximum PNLF (Apple's Display Panel) can handle. And this is the value it defaults to after sleep, as in.. the brightness cap increases after sleep from 0710 to 1312.

 

Re: reset address and values - this fix was originally discovered by fassl and was needed for older hardware where FACP table didn't contain this data, so restart was not functional. Bootloaders are now altering this table and increasing it's length for platforms where FACP doesn't include this data. If you dump your native ACPI tables from clover by pressing F4 in GUI and then open up your FACP table from /EFI/CLOVER/ACPI/origin you'll see that this data is already in there .. and it only affects restart, which is done through PS/2 controller, which is a part of Embedded controller... so shutdown was fixed by SLPE, not this... this doesn't even need to be there.  

[000h 0000   4]                    Signature : "FACP"    [Fixed ACPI Description Table (FADT)]
[004h 0004   4]                 Table Length : 000000F4
[008h 0008   1]                     Revision : 03
[009h 0009   1]                     Checksum : E6
[00Ah 0010   6]                       Oem ID : "DELL  "
[010h 0016   8]                 Oem Table ID : "QA09   "
[018h 0024   4]                 Oem Revision : 00000002
[01Ch 0028   4]              Asl Compiler ID : "PTL "
[020h 0032   4]        Asl Compiler Revision : 00000002
....

[074h 0116  12]               Reset Register : [Generic Address Structure]
[074h 0116   1]                     Space ID : 01 [SystemIO]
[075h 0117   1]                    Bit Width : 08
[076h 0118   1]                   Bit Offset : 00
[077h 0119   1]         Encoded Access Width : 00 [Undefined/Legacy]
[078h 0120   8]                      Address : 0000000000000064

[080h 0128   1]         Value to cause reset : FE

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Hi guys-

This is not important of course, but aiming to a perfect laptop running OS X...

The wifi light is not on, even if the wifi is enabled. Any easy fix that could correct this?

 

Thanks,

AJ

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TimeWalker - thanks that is great information.

 

well the FACP table shows this info - which according to the WIKI,Clover will read and use. in this case the PCI bus. agree with that for the T420 - the reset values do not need to specified in the config.plist

 

 

 

[074h 0116  12]               Reset Register : [Generic Address Structure]
[074h 0116   1]                     Space ID : 01 [systemIO]
[075h 0117   1]                    Bit Width : 08
[076h 0118   1]                   Bit Offset : 00
[077h 0119   1]         Encoded Access Width : 00 [undefined/Legacy]
[078h 0120   8]                      Address : 0000000000000CF9
 
[080h 0128   1]         Value to cause reset : 06
[081h 0129   3]                     Reserved : 000000
[084h 0132   8]                 FACS Address : 00000000DAF2D000
[08Ch 0140   8]                 DSDT Address : 00000000DAFEB000
 
@AJ - will look at this later to see if i can figure out which LED lights that up. there is a DSDt function called SI that i used to reset the power and sleep LEDs. may be manual since OSX may not have this?

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@okcakep (get blank monitor if you're using custom EDID in config.plist)

then make this change in red (delete or change)

InjectEDID to false is enought if your EDID is not the good one it would become the good one in newer system

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

 

good edid can be found this thisattachicon.gifgenEDID_3c.zip

 

unzip drag & drop genEDID.sh on Terminal.app window, key name of screen for example LCD

 

tetonne$ /Users/tetonne/Desktop/genEDID.sh LCD press enter
 
result  in terminal
Collecting some data...
Detected Vendor ID: 0x6af (hex) 1711 (dec)
Detected Product ID: 0x313c (hex) 12604 (dec)
Flipbyted Vendor ID: 0xaf06 (hex) 44806 (dec)
Detected EDID: 00ffffffffffff0006af3c310000000000140103801f11780a10b597585792261e505400000001010101010101010101010101010101121b5646500023302616360035ad100000180000000f0000000000000000000000000020000000fe0041554f0a202020202020202020000000fe004231343058573033205631200a0029
Encoded EDID: AP///////wAGrzwxAAAAAAAUAQOAHxF4ChC1l1hXkiYeUFQAAAABAQEBAQEBAQEB
AQEBAQEBEhtWRlAAIzAmFjYANa0QAAAYAAAADwAAAAAAAAAAAAAAAAAgAAAA/gBB
VU8KICAgICAgICAgAAAA/gBCMTQwWFcwMyBWMSAKACk=
Job done!
 
report that green number in OEMConfig
Graphic CustomEDID data (in XML part)
00ffffffffffff0006af3c310000000000140103801f11780a10b597585792261e505400000001010101010101010101010101010101121b5646500023302616360035ad100000180000000f0000000000000000000000000020000000fe0041554f0a202020202020202020000000fe004231343058573033205631200a0029
 
you'll seen Encoded EDID: AP///////wAGrzwxAAAAAAAUAQOAHxF4ChC1l1hXkiYeUFQAAAABAQEBAQEBAQEB
AQEBAQEBEhtWRlAAIzAmFjYANa0QAAAYAAAADwAAAAAAAAAAAAAAAAAgAAAA/gBB
VU8KICAgICAgICAgAAAA/gBCMTQwWFcwMyBWMSAKACk=
there

set InjectEDID to true

 
result on destop :
put the created folder DisplayVendorID-6af (example) in S/L/Display/Overrides
repair permissons

 

Tetonne....amazing...work....!!!

Thank you....

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@okcakep : you're welcome :)

@all could you please add your signature ;)

 

feed back about  T420_UEFI_Clover-b2236_10.8.5_10.9.0_16-Oct-2013

As usual great work :) brightness is equal as before sleep

I add tluck's pack url in my signature (a way say :thanks_speechbubble: )

 

@timewalker75a : thanks for your contribution too

@tluck : thanks for the great pack you provide each time 

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I want to install OS X Mavericks on Thinkpad T420s, how can I patch my own dsdt based on your patched files?

 

I also want to use ultrabay to replace my dvd drive by a hdd, I saw some posts long ago said that the system can only boot to internal drive Clover without it, is it fixed yet?

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I also want to use ultrabay to replace my dvd drive by a hdd, I saw some posts long ago said that the system can only boot to internal drive Clover without it, is it fixed yet?

Use shell from within Clover (new revision preferably) and add bcfg boot entry pointing to your optibay (utrabay?) drive. The entry will then appear under F12 boot menu..

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@pokenguyen - there is dsdt.aml and dsdt.dsl (source with change comments) for any T420 - ready for use in the zip bundle. otherwise i don't understand your question. 

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@pokenguyen - there is dsdt.aml and dsdt.dsl (source with change comments) for any T420 - ready for use in the zip bundle. otherwise i don't understand your question.

T420s model can't use the same dsdt, but I think it will be very similar. I want to know which patches you applied to your dsdt so I can patch it myself.

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@pokenguyen - there is dsdt.aml and dsdt.dsl (source with change comments) for any T420 - ready for use in the zip bundle. otherwise i don't understand your question.

T420s model can't use the same dsdt, but I think it will be very similar. I want to know which patches you applied to your dsdt so I can patch it myself.

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I don't have a 420 to confirm, but gendalo and I have different t430's and it turns out that the dsdt's are identical. Likely it is true of 420's as well.

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I don't have a 420 to confirm, but gendalo and I have different t430's and it turns out that the dsdt's are identical. Likely it is true of 420's as well.

I will give it a try, thank you for confirm.

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@Tluck now im using 10.8.5 with your package. work !!!. i must be reconfigure Athereos WiFi to pci168c,2b

Sound work perfect...thanks...!!!

@Tetone your EDID work...but i still get glich sometime :)

 

Update...

Suddenly no sound in internal speaker,

Headphone ok

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            If (LEqual (Arg0, 0x05))


            {


                TRAP ()


                AWON (0x05)


                Store (Zero, SLPE)


                Sleep (0x10)


           


 


I guess store(zero,SLPE) should be store(one, SLPE). (I won't use the tags for shutdown now.)


I also add Store (One, SLPE) and Sleep (0x10) to arg0 = 0x01 0x03 0x04.


Then I add Store (Zero, SLPE) and Sleep (0x10) ad the beginning of _WAK and _INI.


 


The shutdown and sleep work fine till now.

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            If (LEqual (Arg0, 0x05))

            {

                TRAP ()

                AWON (0x05)

                Store (Zero, SLPE)

                Sleep (0x10)

           

 

I guess store(zero,SLPE) should be store(one, SLPE). (I won't use the tags for shutdown now.)

I also add Store (One, SLPE) and Sleep (0x10) to arg0 = 0x01 0x03 0x04.

Then I add Store (Zero, SLPE) and Sleep (0x10) ad the beginning of _WAK and _INI.

 

The shutdown and sleep work fine till now.

 

That's right - you GUESS, while Intel STATES:

4Clbb.png

Every state passed as the argument to _PTS is a sleep state, be it suspend type (0x1 and 0x3), lid 0x4 or soft-off (0x5).

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@pokenguyen - misunderstood your model is a T420S and not plain T420. here is a zip of the original dsdt and current dsdt.dsl (with comments) - you can diff them to see what was add/changed. 

 

t420_dsdt.zip

 

@okcakep

 

1) the sound loss from laptop speaker is known to be result of changes in 10.8.5 v1.8 AppleACPIPlatform.kext. laptop will lose speaker after wake from sleep. if you rollback to 10.8.4 v1.7 AppleACPIPlatform.kext this will not happen. 

 

2) EDID and glitches. is your native EDID different than the one Tetonne provided. is it v1.3? look for 0103 string vs 0104 string. i am injecting a different EDID (v1.3 seems work) than what was native/built-in to fix the glitches. 

 

in reality i never figured out why one EDID worked and another didn't. here were 2 v1.3 EDIDs for LCD 1600x900 - one was native (from windows) - i suspect it is the diff in detail clocking timings info? works is 96 Mhz and the glitchy one is 110 Mhz

 

works:

 

Extracted contents:
header:          00 ff ff ff ff ff ff 00
serial number:   30 e4 e2 02 00 00 00 00 00 14
version:         01 03
basic params:    80 1f 11 78 0a
chroma info:     43 45 97 59 57 8e 28 21 50 54
established:     00 00 00
standard:        01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
descriptor 1:    80 25 40 80 60 84 1a 30 30 20 35 00 36 ae 10 00 00 19
descriptor 2:    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
descriptor 3:    00 00 00 fe 00 4c 47 20 44 69 73 70 6c 61 79 0a 20 20
descriptor 4:    00 00 00 fe 00 4c 50 31 34 30 57 44 32 2d 54 4c 42 31
extensions:      00
checksum:        38
 
Manufacturer: LGD Model 2e2 Serial Number 0
Made week 0 of 2010
EDID version: 1.3
Digital display
Maximum image size: 31 cm x 17 cm
Gamma: 2.20
Supported color formats: RGB 4:4:4, YCrCb 4:2:2
First detailed timing is preferred timing
Established timings supported:
Standard timings supported:
Detailed mode: Clock 96.000 MHz, 310 mm x 174 mm
               1600 1648 1680 1728 hborder 0
                900  903  908  926 vborder 0
               -hsync -vsync 
 

 

 

glitches:

 

Extracted contents:
header:          00 ff ff ff ff ff ff 00
serial number:   30 ae a1 40 00 00 00 00 01 14
version:         01 03
basic params:    80 1f 11 78 ea
chroma info:     cc ce 99 58 50 8e 26 24 4b 53
established:     00 00 00
standard:        01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
descriptor 1:    f8 2a 40 9a 61 84 0c 30 40 2a 33 00 35 ae 10 00 00 18
descriptor 2:    cf 23 40 9a 61 84 0c 30 40 2a 33 00 35 ae 10 00 00 18
descriptor 3:    00 00 00 0f 00 a9 09 32 a9 09 32 19 09 00 06 af 56 31
descriptor 4:    00 00 00 fe 00 42 31 34 30 52 57 30 32 20 56 31 20 0a
extensions:      00
checksum:        7b
 
Manufacturer: LEN Model 40a1 Serial Number 0
Made week 1 of 2010
EDID version: 1.3
Digital display
Maximum image size: 31 cm x 17 cm
Gamma: 2.20
DPMS levels: Standby Suspend Off
Supported color formats: RGB 4:4:4, YCrCb 4:2:2
First detailed timing is preferred timing
Established timings supported:
Standard timings supported:
Detailed mode: Clock 110.000 MHz, 309 mm x 174 mm
               1600 1664 1706 2010 hborder 0
                900  903  906  912 vborder 0
               -hsync -vsync 
Detailed mode: Clock 91.670 MHz, 309 mm x 174 mm
               1600 1664 1706 2010 hborder 0
                900  903  906  912 vborder 0
               -hsync -vsync 

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@pokenguyen - misunderstood your model is a T420S and not plain T420. here is a zip of the original dsdt and current dsdt.dsl (with comments) - you can diff them to see what was add/changed. 

 

attachicon.gift420_dsdt.zip

 

 

Thank you very much, I'm new to Thinkpad and waiting my caddy to arrive before installing. I will give it a look.

Btw, I think you should replace VboxHFS-64.efi by HFSPlus.efi for better OSX Install support. With the drivers, you can create install usb for 10.8 by restoring InstallESD.dmg, or use createmediainstall tool for 10.9. Very easy.

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I just studied P8Z68-V PRO's dsdt  and found something interesting.

 

                Name (SMCR, 0x0430)

 

                OperationRegion (SLPR, SystemIO, SMCR, 0x08)
                Field (SLPR, ByteAcc, NoLock, Preserve)
                {
                        ,   4,
                    SLPE,   1,
                        ,   31,
                    SLPX,   1
                }

 

 

                Method (SWAK, 1, NotSerialized)
                {
                    Store (Zero, SLPE)
                    If (LNot (RTCS))
                    {
                        Notify (PWRB, 0x02)
                    }
                }

 

    Method (_PTS, 1, NotSerialized)
    {
        Store (Zero, P80D)
        P8XH (Zero, Arg0)
        If (Arg0)
        {
            Store (One, \_SB.PCI0.LPCB.SLPX)   <==I think this is another one we missed.
            Store (One, \_SB.PCI0.LPCB.SLPE)  <== ASUS put SLPE here, it is the same as our SLPE.
            If (LAnd (LGreater (Arg0, 0x03), LLess (Arg0, 0x06)))
            {
                Store (Arg0, \_SB.SMIC)
                Store (One, GP27)
            }
        }
    }
    Method (_WAK, 1, Serialized)
    {
        ShiftLeft (Arg0, 0x04, DBG8)
        \_SB.PCI0.LPCB.SWAK (Arg0)
        Store (Zero, \_SB.PCI0.LPCB.PLED)
        Return (Package (0x02)
        {
            Zero,
            Zero
        })
    }
}


I found the follow combination worked.

 

1) SlpSmiAtWake => true

2) Add SLPE = 0  to _WAK  and SLPE = 1 to _PTS(arg0 = 1,3,4,5)

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And yet Asus board have HAD this shutdown bug in UEFI boot until endless figured out that it has to write 0 and not 1 to SLP_SMI_EN register (which is SLPE) .. whats SLPX - nobody knows and it's not even documented in chipset specification, while PM30+4 bit register is.

 

SlpSmiAtWake was my request to slice, and it's actually broken and is poorly implemented, all it does is makes a change to your DSDT to unconditionally write 1 to SLPE when _WAK is called. On Tiano firmware this results in broken wake, when the laptop has been put to sleep by closing the lid.

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@pokenguyen - great.  glad to have another voice and platform on this thread

 

HFSPlus.efi (i have an HFSPlus-64.efi) ... but sure i can give that a try- what does that do better that Vbox?

i made my 10.8 and 10.9 installers using this approach - basically put "BaseSystem" on the USB. made it more like "regular OS" so was more intuitive to me. These are my notes on how i do it:


format USB GUID with 1 or 2 partitions
expand and show all files in downloaded installer app
 
find and open/mount InstallESD.dmg in Contents/SharedSupport
extract BaseSystem.dmg (will be hidden)
restore this image to USB using Disk Utility
remove /Volume/USB/System/Installation/Package (link file)
cp -rp Packages (from installer InstallESD.dmg) to /Volume/USB/System/Installation/
extract (pacifist) mach_kernel from Packages/BaseSystemBinaries.pkg and put in USB/
 
TIPS:
turn on Disk Utility debug mode - you can see hidden partitions 
run:
defaults write com.apple.DiskUtility DUDebugMenuEnabled 1
 
if your usb is disk 2 
 
$ diskutil list
 
mount your ESP manually:
sudo mkdir /Volumes/ESP_USB
sudo mount -t msdos /dev/disk2s1 /Volumes/ESP_USB
 
unzip bundle (say in  Downloads)
 
cp -rp ~/Downloads/EFI /Volumes/ESP_USB
cd /Volumes/ESP_USB/EFI/CLOVER
mv OEM OEM.NU
 
 
@zhangqq - well interesting and this stuff may work on a different Mobo/embedded controller. but, for me i am not keen on testing as i don't want to brick my box! anyway,  i am happy with the restart and shutdown function currently. 

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@pokenguyen - great.  glad to have another voice and platform on this thread

 

HFSPlus.efi (i have an HFSPlus-64.efi) ... but sure i can give that a try- what does that do better that Vbox?

i made my 10.8 and 10.9 installers using this approach - basically put "BaseSystem" on the USB. made it more like "regular OS" so was more intuitive to me. These are my notes on how i do it:

format USB GUID with 1 or 2 partitions
expand and show all files in downloaded installer app
 
find and open/mount InstallESD.dmg in Contents/SharedSupport
extract BaseSystem.dmg (will be hidden)
restore this image to USB using Disk Utility
remove /Volume/USB/System/Installation/Package (link file)
cp -rp Packages (from installer InstallESD.dmg) to /Volume/USB/System/Installation/
extract (pacifist) mach_kernel from Packages/BaseSystemBinaries.pkg and put in USB/
 
@zhangqq - well interesting and this stuff may work on a different Mobo/embedded controller. but, for me i am not keen on testing as i don't want to brick my box! anyway,  i am happy with the restart and shutdown function currently. 

 

Using HFSPlus.efi can boot to special Install USB, which can create Recovery HD after installing. Creating Install USB is much easier than your method:

10.8: Restore InstallESD.dmg to flash drive

10.9: Run the following command:

sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ Mavericks.app --nointeraction

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@timewalker - here is what i get in the logs... on 10.9 no sound from speaker after sleep/wake (2 cycles) below:

 

Oct 17 14:11:44 toms-mac com.apple.kextd[14]: WARNING - Invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext "/Users/tluck/Downloads/CodecCommander.kext"

Oct 17 14:11:45 toms-mac kernel[0]: CodecCommander::init: Initializing

Oct 17 14:11:45 toms-mac kernel[0]: CodecCommander::init: make Lenovo

Oct 17 14:11:45 toms-mac kernel[0]: CodecCommander::probe: Probing

Oct 17 14:11:45 toms-mac kernel[0]: CodecCommander::start: Starting

Oct 17 14:11:45 toms-mac kernel[0]: CodecCommander: command 1470c02 written to ICW register

Oct 17 14:11:45 toms-mac kernel[0]: CodecCommander: status of ICB field changed to 1

Oct 17 14:11:45 toms-mac kernel[0]: CodecCommander: get status of IRV field

Oct 17 14:24:43 toms-mac kernel[0]: CodecCommander::power: is off

Oct 17 14:24:51 toms-mac kernel[0]: CodecCommander: command 1470c02 written to ICW register

Oct 17 14:24:51 toms-mac kernel[0]: CodecCommander: status of ICB field changed to 1

Oct 17 14:24:51 toms-mac kernel[0]: CodecCommander: get status of IRV field

Oct 17 14:24:51 toms-mac kernel[0]: CodecCommander: response latched in IRR register, IRV returned valid status 2

Oct 17 14:24:51 toms-mac kernel[0]: CodecCommander: command failed, IRV returned invalid status 2

Oct 17 14:24:51 toms-mac kernel[0]: CodecCommander: IRV field cleared, ready for next command

Oct 17 14:24:51 toms-mac kernel[0]: CodecCommander::power: is on

Oct 17 14:28:39 toms-mac kernel[0]: CodecCommander::power: is off

Oct 17 14:28:44 toms-mac kernel[0]: CodecCommander: command 1470c02 written to ICW register

Oct 17 14:28:44 toms-mac kernel[0]: CodecCommander: status of ICB field changed to 1

Oct 17 14:28:44 toms-mac kernel[0]: CodecCommander: get status of IRV field

Oct 17 14:28:44 toms-mac kernel[0]: CodecCommander: response latched in IRR register, IRV returned valid status 2

Oct 17 14:28:44 toms-mac kernel[0]: CodecCommander: command failed, IRV returned invalid status 2

Oct 17 14:28:44 toms-mac kernel[0]: CodecCommander: IRV field cleared, ready for next command

Oct 17 14:28:44 toms-mac kernel[0]: CodecCommander::power: is on

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      You can get ttf or otf fonts and convert them into svg by using online WEB services. Not a problem to google.
      But then I want to find a way to simplify the font to reduce a size and speedup rendering.
      You can create own font by FontForge It is opensource and available for Windows, Mac and GNU+Linux. It creates otf font which you can convert to svg font.
       
      Pictures from Badruzeus
      https://www.insanelymac.com/forum/applications/core/interface/file/attachment.php?id=301597
    • By ludufre
      Installing macOS Mojave on Lenovo ThinkPad L440

       
      There are two version of this laptop:
      - 20AS = Chipset QM87, without Express Card (mine).
      - 20AT = Chipset HM86, with Express Card.
      I strong believe is the same thing...
       

      Changelog:
       
      02/05/2019 18:47h GMT-0
      - Updated info about CPU replacement and 4G LTE modem.
       
      02/04/2019 15:24h GMT-0
      - Sometimes the VoodooHDA.kext doesn't work.
      - Added AppleHDADisabler.kext to fix that (attached bellow).
       
      01/24/2019 14:42h GMT-0
      - Added more adjustments to use of VoodooHDA.
      - Updated VoodooHDA links to 2.9.1 official (without installer).
      - Changed PCM volume from 90 to 180 in Info.plist (attached modified VoodooHDA.kext bellow)
      - Updated SSDT-L440.aml (Removed HDEF and HDAU, not needed).
      - Updated config.plist (Changed to user Audio layout to 1).
       
      01/22/2019 20:47h GMT-0
      - I gave up on the AppleALC.
      - Headset does not work.
      - Now with VoodooHDA is perfect and the sound even louder.
       
      01/22/2019 14:37h GMT-0
      - Add info about update 10.14.3. 
       
      01/22/2019 13:46h GMT-0
      - Add link to BIOS reassing guide.
       
      01/20/2019 11:49h GMT-0
      - First version.
       
      What works and what does not
       
      - Processor: Intel Core i5-4300M ->  Work. All SpeedStep stages.
      - Video Card: Intel HD4600 ->  Work. QE/CI and Metal.
      - Chipset: Intel QM87 ->  Work.
      - Mini DisplayPort ->  Work. But no audio, yet.
      - VGA ->  Not work. Normal.
      - Audio: ALC292 ->  Work.
      - WiFi/Bluetooth: Intel AC 7260 ->  Not work. Replaced with DW1560 (need whitelist removal).
      - Ethernet: Intel I217-LM ->  Work.
      - Card Reader: Realtek RTS5227 ->  Not work.
      - Keyboard and Touchpad ->  Work.
      - Webcam ->  Work.
      - Fingerprint Reader ->  Not work. Normal.
      - USB3.0 ->  Work.
      - Sleep ->  Work.
      - Airdrop, Handoff, Instant Hotspot and Continuity ->  Work after replaced wireless.
       
       
      Extras
       
      - FullHD 1920x1080 display upgrade: 
      Replaced with AU Optronics B140HAN01.1 30pin eDP (B140HAN01.2 and B140HAN01.3 also compatible)
      Apparently same screen as Dell Latitude E6440, E7440, Lenovo Ideapad U430 and E129.
       

      Todo
       
      - Make DP audio work.
      - Make Card Reader work.
      - Upgrade CPU to i7-4712MQ (Ordered. It's on the way) Done, but received i7-4700MQ (47w TDP and I have overheating issues)
      - Replace touchpad with T460 model (Ordered. It's on the way)
      - Sierra Gobi5000 4G LTE modem EM7355 (Ordered. It's on the way. I hope works. ) Done, but not work. Do not even recognize in LSPCI...
      - Upgrade to 16GB RAM Done
       
       
      What you need to install

      - Running install of macOS
      - One USB flash drive of 8GB or bigger
      - macOS Mojave install app
      - Clover EFI
      - Clover Configurator
      - Some KEXTs and SSDT patches


      How create create the install flash drive
       
      Prepare install flash drive

      Format the flash drive with GUID partition mapping and name it "Install".

      - Open Disk Utility.
      - Click in View, then "Show All Devices".
      - Select the destination flash drive, then Erase.
      - Name: Install, Format: Mac OS Extended (Journaled) and Scheme: GUID Partition Map
       
      Create install flash drive

      Open terminal and run this command:
      sudo /Applications/Install\ macOS\ .app/Contents/Resources/createinstallmedia --volume /Volumes/Install --nointeraction This will take about 30 minutes.
       


      Install bootloader

      Download the RehabMan's CloverEFI fork (used 4701) and install with this options on "Install macOS Mojave":
       
      - Install for UEFI booting only
      - Install Clover in the ESP
      - UEFI Drivers - ApfsDriverLoader-64
      - UEFI Drivers - AptioMemoryFix64


       
       
      Make things works

      Will be created a partition named EFI and mounted in Desktop.
      - Replace the /Volumes/EFI/CLOVER/config.plist with mine attached below
                    If you have modded BIOS with Advanced Menu and enabled 128MB DRAM-prealloc use 128MB_DRAM-prealloc_config.plist.zip
                    If no, then use 32MB_DRAM-prealloc_config.plist.zip
      - Put SSDT-L440.aml attached below in /Volumes/EFI/CLOVER/ACPI/patched/
       
      Generate your Serial, MLB and SmUUID
       
      - Open the replaced config.plist with Clover Configurator (used 5.3.2.0)
      - Go to SMBIOS, click few times in "Generate New" in Serial Number and SmUUID.
       
      Download those Kexts and put in /EFI/CLOVER/kexts/Other/
       
      - Download the FakeSMC.kext from here. I used the version 2018-0915.
      - Download the VoodooPS2Controller.kext from here. I used version 2018-1008.
      - Download the IntelMausiEthernet.kext from here. I used the version 2018-1031.
      - Download the Lilu.kext from here. I used the version 1.3.1.
      - Download the AppleALC.kext from here. I used the version 1.3.4.
      - Download the VoodooHDA from here. I used the version 2.9.1.
      - Download the WhateverGreen.kext from here. I used the version 1.2.6.
      - Download the AppleBacklightFixup.kext from here. I used the version 2018-1013.
      - Download the USBInjectAll.kext from here. I used the version 2018-1108.
      - Download the ACPIBatteryManager.kext from here. I used the version 2018-1005.
       
       
      Wifi and Bluetooth (DW1560 / BCM94352Z)
       
      Unfortunately, some notebook manufacturers are currently blocking the replacement of wireless cards. They want you to only use the models sold by them. And of course, none of them from Lenovo for this notebook model is compatible with MacOS.
       
      If you try to start with an unauthorized wifi card for them, you will receive a screen error:
      1802: Unauthorized network card is plugged in - Power off and remove the network card. Since this check is done directly in the BIOS, the only solution is to modify it.
      But since nothing is easy in this life, there is one small big problem:
      - The BIOS update procedure does not allow you to use modded files as it used to be.
      - You will need to physically reach your BIOS on the motherboard and make use of a USB BIOS reader/writer.
       
      So what you need to do:
      1. Disassembly your laptop;
      2. Dump your BIOS with an USB BIOS reader with SOIC8 clip (to not desolder from the motherboard);
      3. Patch it (In addition to removing the whitelist, add the advanced menu);
      4. Fix RSA signature;
      5. Reflash BIOS;
      6. Replace wireless card;
      7. Remount your laptop;
      8. Done.
       
      Soon, I'll provide step by step in this process. Probably until end of this week.
      In the meantime, if you need to, send me your dump that I do steps 3 and 4 for you.
      I also add the Advanced Menu so you can increase to 128MB the DRAM-prealloc.
       
      To fix a Modded BIOS to remove the 5 beeps on boot, you need this guide: https://www.insanelymac.com/forum/topic/337333-guide-fix-insyde-h2o-bios-signature-5-beeps-on-lenovo (traduzido: pt-BR)
       
       
      After replaced the wireless card. Download those Kexts and put in /EFI/CLOVER/kexts/Other/
       
      - Download the AirportBrcmFixup.kext from here. I used the version 1.1.9.
      - Download the BrcmFirmwareRepo.kext and BrcmPatchRAM2.kext from here. I used the version 2018-0505.
      - Download the BT4LEContinuityFixup.kext from here. I used the version 1.1.2.
       
       
      Now you can start the instalation without problem (I guess).
       
       
      How install
       
      UEFI Setup Configuration and Installation

      UEFI configuration
       
      My BIOS is the latest: 1.93 (J4ET93WW) 

      - Shutdown and insert the flash drive.
      - Power on with F1 pressed to enter BIOS setup.
      - Change value: Config - Intel(R) AMT - Intel(R) AMT Control to DISABLED
      - Change value: Security - Security Chip to DISABLED
      - Change value: Security - Anti-Theft - Intel(R) AT Module Activation to DISABLED
      - Change value: Security - Anti-Theft - Computrace to DISABLED
      - Change value: Security - Secure Boot to DISABLED
      - Change value: Startup - UEFI/Legacy Boot to BOTH, Legacy First and CSM Support = Yes
      - Save & Exit Setup (F10)
       
      - Now, hold the F12
      - In the list, select your flash drive.
       
      The installer will start. 
      
      Format destination disk

      Format the disk with GUID partition mapping and name it "Macintosh".

      - Select Disk Utility in the list, then press Continue.
      - Click in View, then "Show All Devices".
      - Select the destination Disk, then Erase.
      - Name: HD, Format: APFS and Scheme: GUID Partition Map

      Close Disk Utility.
      
      Select "Install macOS", then Continue.
      Follow instructions in screen.

      After install

      After first part install the system will reboot. Maybe you have to press F12 again and select the flash drive.
      
      The second part of the installation will begin. This will take 16 minutes.
       

      Post installation

      Install bootloader
       
      When the second part of install finish, the system will reboot again.

      After performing the user initial setup and go to the desktop, you need to install Clover on internal disk.

      Open the Clover installer inside flash drive that you copied before.

      Use same options above but choose the system partition this time.

      Now you need to replace the config.plist inside your destination disk EFI parittion with config.plist inside flash card EFI partition.

      The flash drive EFI partition is unmounted. Mount with terminal "sudo diskutil mount /dev/rdiskXs1". To know what X is, use "diskutil list", most likely is 1.
       
      Last step
       
      Copy all Kexts from flash drive to /Library/Extensions, with those commands in Terminal:
      sudo cp -R /Volumes/EFI/EFI/CLOVER/kexts/Other/* /Library/Extensions/ sudo chmod -R 755 /Library/Extensions sudo chown -R root:wheel /Library/Extensions sudo kextcache -i / Restart the system.
       
       
      It's done!
       
       
      Updates
       
      System update 10.14.3
       
      - Updated with success;
      - Everything works perfectly after reboot;
       

       
       

       
      And last but not least
       
      I would like to thank the following community members, by making these dream possible:
      @crushers, @snatch, @apianti, @blackosx, @blusseau, @dmazar, @slice2009, @autumnrain, @phpdev32, @EMlyDinEsH, @RehabMan, @Scellow, @mitch_de, @Shailua, @Andy Vandijck, @maxfierke, @ArturXXX, @LexHimself, @brumas, @Shiki and all others members involved directly or indirectly.
       
       
       
       
       
       
      32MB_DRAM-prealloc_config.plist.zip
      128MB_DRAM-prealloc_config.plist.zip
      SSDT-L440.aml
      VoodooHDA.kext.zip
      AppleHDADisabler.kext.zip
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