BIOS Change Point History:

Version BIOS v5.90/ECKCB v2.70 - 12/20/2023

1. BIOS v5.90
   1.Only version change
   2.Intel Security Update (INTEL-SA-00828)
   3.Improve Device Access Control for Internal ODD.

Version BIOS v5.80/ECKCB v2.60 - 09/12/2023

1. BIOS v5.80 
   1.only version change
   2.Intel Security Update (INTEL-SA-00688,INTEL-SA-00717)
   3.Extend MAC Address Pass Through to support Built-in LAN MAC Address
   4. Show maximum, minimum, current CPU frequency in BIOS Setup menu.
   5. Add new panel LG(E430h)(G33C000B6A10).
   6. Update EC from v2.50 to v2.70.
   7.only version change
   8. Fix TXT auto repair issue.
   - CCG6DF EC region:
   1) Improve PD control function.
   2) Improve battery control.
   3) Fixed EC Common Issue.
   - RTS5452H EC region:
   1) Improve PD control function.
   2) Improve battery control.
   3) Fixed EC Common Issue.
   4) Upgrade PDC firmware from v0.1.1D (v1.29) to v0.1.22(v1.34).

Version BIOS v5.40/ECKCB v2.60 - 04/11/2023

1. BIOS v5.40 
   1.Improve Device Access Control for USB port

Version BIOS v5.30/ECKCB v2.50 - 02/13/2023

1. BIOS v5.30 & EC/KBC v2.50
   1.Improve the stability
   2.Update EC from v2.40 to v2.50
   RTS5452H EC region:
   1).Improve USCI control function
   2).Improve PDC control function
   3).Improve battery control function.
   4).Update PDCFW to v0.1.1D
   CCG6DF EC region:
   1).Improve USCI control function
   2).Improve PDC control function.
   3).Improve battery control function.

Version BIOS v5.20/ECKCB v2.40 - 09/029/2022

1. BIOS v5.20 & EC/KBC v2.40
   1. Improve power LED control
   2.Change EC from v2.32 to v2.40;
   （1）Supported the OS function for FAN noise improvement.
   （2）Improve UCSI control function.
   （3）Improve PDC control function.

Version BIOS v5.00/ECKCB v2.30 - 07/05/2022

1. BIOS v5.00 & EC/KBC v2.30
   1.Support vPro CPU on LE80;
   2.Intel Security Update (INTEL-SA-00562);
   3.Fix USB2.0 camera may flicker issue;
   4.Update Intel ACM driver to 1.14.39;
   5.Update EC from v2.20 to v2.30:
   RTKPDC EC region：
   1). Improve PDC control function.
   -Fixed PC can't charging after PDC force reset with Type-C adapter issue.
   2). Improve battery shutdown control function.
   3). PDC FW change from v0.1.12 to v0.1.1B.

Version BIOS v4.10/ECKCB v2.20 - 05/26/2022

1. BIOS v4.10 & EC/KBC v2.20
   1.Change EC from v2.00 to v2.10;
   (1) Update Realtek PDC FW to v0.1.12;
   (2)Add WA to fix cannot power on issue;
   (3)Improve RTK PDC control.;
   (4)Improve charge IC VDPM parameter.;
   2.Improve Maintenance T&D function;
   3.Improve battery charge mode function;
   4.Update EC from v2.10 to v2.20
   1).Improve stability to prevent system may hang up in rare case.

Version BIOS v3.70/ECKCB v2.00 - 04/01/2022

1. BIOS v3.70 & EC/KBC v2.00
   1.Support RTK PDC;
   2.update EC from 1.90 to 2.00:
   1)Support RTK PDC;
   2)Update PDC FW to 0.3.1B for CCG6 PDC;

Version BIOS v3.60/ECKCB v1.90 - 03/17/2022

1. BIOS v3.60
   1.Support ME Firmware update by Windows Update for TigerLake-Refresh model;
   2.Support TBT4 Dock;

Version BIOS v3.40/ECKCB v1.90 - 12/7/2021

1. BIOS v3.40
   1.Show Serial number and LAN MAC Address in BIOS Setup Main menu
   2.Improve LAN boot function
   3.Improve the system stability 

Version BIOS v3.30/ECKCB v1.90 - 11/8/2021

1. BIOS v3.30 & EC/KBC v1.90
   1.Change EC from v1.80 to v1.90
   (1)Improve battery control

Version BIOS v3.20/ECKCB v1.80 - 10/14/2021

1. BIOS v3.20 & EC/KBC v1.80
   1.Only version change.
   2.Update EC from v1.71 to v1.80
   1)Only version change.
   3. Improve battery ECO charge function.

Version BIOS v1.90/ECKCB v1.50 - 4/30/2021

1. BIOS v1.90
   1.Update the codebase
   2.Improve TPM Owner Clear.
   3.Improve boot performance while cold boot with dynabook USB-C Dock connected.
   4.Improve HDD/SSD password feature.
   5.Improve power control of WLAN.
   6.Forbidden downgrade to v1.80 or older.
   7.Extend WMI function.

Version BIOS v1.80/ECKCB v1.50 - 3/19/2021

1. BIOS v1.80
   1.Support Secure Erase function.
   2.Support Innolux, BOE and Sharp panel.
   3.Improve WMI.
   4.Update Microcode from 0x72 to 0x78.