lenovo-thinkpad-l430

Upgrade from Catalina 10.15.7 to Bigsur 11.6.5

spesifikasi :

Bootloader Opencore 0.6.3
processor core i3 3120M (Ivy Bridge)
vga intel hd 4000
audio alc269 layout-id 29
Ethernet RTL8168E-VL
Intel(R) Centrino(R) Advanced-N 6205
Intel 7 Series Chipset
Touchpad ELAN

Working :

iGpu intel HD 4000
USB port
Sound Alc269
Touchpad
etc
Sleep (Not perfect)
shotdown
Restart
Must be set SMBIOS MacBookPro11,1 to be install BIGSUR (on instalations) and SET to MacBookPro10.2 with boot args no_compat_check (POST Istall) to fixing Power management Issue in ivy bridge bigsur (SSDT-PM.aml generated from catalina)
Brightness, Fn + p (brightness up) and Fn + k (brightness down)
Display Port
WLAN Intel(R) Centrino(R) Advanced-N 6205

Not Working :

VGA port

Patch SSDT:

PNLF (Fix Brightness)
PM (CPU power management)
EC (Fixes the embedded controller)
XOSI (Makes all _OSI calls specific to Windows work for macOS (Darwin) Identifier. This may help enabling some features like XHCI and others.)
IMEI (Needed to add a missing IMEI device on Ivy Bridge)
HPET (Fixing IRQ Conflicts) https://dortania.github.io/Getting-Started-With-ACPI/Universal/irq.html
SBUS-MCHC fix SMBUS

Kext Version Control

AppleALC : V1.6.1 (RELEASE)
Lilu : V1.5.3 (RELEASE)
RealtekRTL8111 : V2.4.2 (RELEASE)
VirtualSMC : V1.2.4 (RELEASE)
VoodooPS2Controller : V2.2.3 (RELEASE)
WhateverGreen : V1.5.0 (RELEASE)
YogaSMC : V1.5.1 (RELEASE)
USBMap : Generated (CUSTOM)
AirportItlwm.kext : V2.1.0 (STABLE)

Change Log

17 Maret 2022 , change SMBIOS MacBookPro11.1 to MacBookPro10.2 to fix power management (old SSDT PM generated from catalina) issue CORE REQ always high for Ivy Brige processor in BIGSUR

Issue

sleep not perfect