BIOS Change Point History:

Version 3.00 / ECKBC v1.90 - 09/11/2023

1. BIOS v3.00
   1.Only version change
   2. Show maximum, minimum, current CPU frequency in Setup page
   3. Update EC from v1.90 to v2.00.
   1)Improve battery charge control.

Version 2.90 / ECKBC v1.90 - 02/10/2023

1. BIOS v2.90 & EC/KBC v1.90
   1.Improve the stability
   2.Change EC to v1.90
   1) Fixed battery icon cannot update issue (Fixed MPL1 message handle blocked issue).
   2) Improve WDT reset process after BIOS/EC update complete
   3) Improve PDC control function
   4) Improve battery shutdown control function
   5) Improve battery charge mode control function

Version 2.80 / ECKBC v1.80 - 09/16/2022

1. BIOS v2.80 & EC/KBC v1.80
   1.Intel Security Update(INTEL-SA-00601, SA-00562, SA-00561, SA-00527, SA-00464, SA-00463, SA-00381)
    -Update codebase to 5.19_1AWHY_RC0A.00.71.31(4523.01)_051
   2. Support Windows11 FAN Noise Signal function
   3. Support Hide TPM in BIOS SETUP
   4. Support BIOS/EC Update without AC
   5. Update EC to v1.80
   -Supported Windows11 FAN Noise Signal function
   -Fixed EC Common Issue

Version 2.70 / ECKBC v1.70 - 06/07/2022

1. BIOS v2.70 & EC/KBC v1.70
   (1)Change EC from v1.60 to v1.70
    -Improve stability to prevent system may hung up in rare case
   (Added WA for the EC hung up issue(Black Screen/FAN fast rotation issue))
    -Fixed the issue where PL

Version 2.60 / ECKBC v1.560 - 11/26/2021

1. BIOS v2.60 & EC/KBC v1.60
   (1) Update Code Base.
   (2) Support Battery Charge Mode.
   (3) Support Mic mute (Fn + A).
   (4) Supported display serial number in BIOS SETUP.
   (5) Supported display MAC address of Built-in LAN in BIOS SETUP.
   (6) Extend WMI function to change LAN Boot Priority (IPv6/IPv4) via WMI.
   (7) Update EC from v1.50 to v1.60
   - Support Battery Charge Mode.
   - Support Mic mute (Fn + A).
   - Fix the SystemTick timer compensation processing
   (8)Improved default setting.

Version 2.40 / ECKBC v1.50 - 9/22/2021

1. .BIOS v2.40
   (1)Support new LCD panel.

Version 2.30 / ECKBC v1.50 - 8/5/2021

1. .BIOS v2.30
   (1)Improve Modern Standby 
   (2)Improve TPM process. 
   (3)Secure Boot Configuration function specification change. 
   (4)Improve USB / Bluetooth device motion 

Version 2.20 / ECKBC v1.50 - 7/30/2021

1. .T&D  v2.20
   1.Release BIOS/ECKBC Update(BIOS V2.20/ECKBC V1.50) according to (CS1-0B-0069).
2. BIOS v2.20 / ECKBC V1.50
   (1)Support new USB current limit IC.
   (2)EC v1.50 Update.
   -CurrentLimitIC (USB, SD Card, HDMI) change support.

Version 2.10 / ECKBC v1.40 - 5/28/2021

1. .Release BIOS Update(V2.10) according to (CS1-0B-0067).
2. Supported 3G/LTE control.
3. Support new LCD panel.
4. Codebase updated.
   RC(SIC):0A.00.34.21 (3412.01) → 0A.00.43.30 (4043.00)
   5.19_1AWHY_RC0A.00.34.21_029 → 5.19_1AWHY_RC0A.00.43.30_036
   MRC:1,0,10,0(Patch5) → 1,0,18,1
5. Updated Microcode to 0x86(for CPUID:806C1)
6. Enabled Sealed BIOS
7. WMI fuction expansion.

Version 1.70 / ECKBC v1.40 - 5/14/2021

1. .Release BIOS/ECKBC/MEFW Update(BIOS V1.70/ECKBC V1.40/MEFW V15.0.10.1574) according to (CS1-0B-0064).
2. Improve POST time while cold boot with Type-C dock connected.
3. Improve TPM Owner Clear.
4. Update EC to v1.40
   -Support BatteryShutDownMode

Version 1.60 / ECKBC v1.30 - 2/16/2021

1. .Support new LCD Panel.

Version 1.50 / ECKBC v1.30 - 2/8/2021

1. .Release BIOS/ECKBC Update(BIOS V1.50/ECKBC V1.30) according to (CS1-0B-0048).
2. (1)Changed Intel GOP from v1.00 to v1.30. 
   (2)Supported vPro CPU on non vPro SKU
   (3)ModS for 19H2 OS.Remove SAT0 PEP Contrain to increase HW drips in 19H2 OS.
   (4)Improve system security control.
   (5)Update Microcode from 0x68 to 0x72.
   (6)Improve I2C device control.(Intel Technical Advisory #634492)
   (7)Change to USB Audio offload disabled(Intel #631659)
   (8)Update EC from v1.20 to v1.23
   - Change ChargerIC initial setting.
   Change PROCHOT threshold (6.2V -> 5.9V)
   Fix Charging setting (AutoWakeupEnable -> Disable)
   - Change the charging voltage of Trickle-charge
   - Change DC Prochot# setting when 2cell battery is connected
   - Change PROCHOT release conditions when the battery is not connected

Version 1.30 / ECKBC v1.20 - 1/15/2021

1. T&D v1.30 - Release BIOS/ECKBC Update(BIOS V1.30/ECKBC V1.20) according to (CS1-0B-0046)
2. BIOS v1.30 & EC/KBC v1.20
   (1)Improved Boot Time when PCB Manufacturing.
   (2)Improved system restart behavior.
   (3)Hide Intel Turbo Boost Option for TGL Celeron CPU
   (4)Changed EC from v1.10 to v1.20
   -IEC62368 : Add System power and CPU temperature check process
   (5)Update PLx.