################################################################################
                            COM-KBUC6
################################################################################
Microcode:
        MC0806E9_000000F6.pdb
        MC0806EA_000000F6.pdb
        M10806E9_000000F6.pdb
        m_94_806ec_00000100.pdb
        M14506E2_0000002C.mcb
        MC0406E3_000000F0.pdb
        M2A906E9_000000F8.pdb
        M36506E3_000000F0.pdb
        m_b7_50654_02007206.pdb
        m_bf_50657_05003901.pdb

--------------------------------------------------------------------------------
Known issue: 
--------------------------------------------------------------------------------
Note:
        BIOS Update Procedure:
                1. Boot to EFI shell and execute GO.nsh to update BIOS.
                2. System will restart automatically after BIOS updated. 
                3. Boot to BIOS setup menu and enable the item "ME FW Image Re-Flash" 
                   in "Firmware Update Configuration" from Advanced page.
                4. Boot to EFI shell and execute ME.nsh.
                5. Unplug power cord after the update is finished.
                6. Plug power cord and turn on the system to finish the update procedure.
################################################################################
================================================================================
BIOS Name:      CKBUAM27                (Based on : CKBUAM26)
Build Date:     09/02/2025
Checksum:       BD48h
Matched EC:     CSKUAE22 above.     
STS:            33643
Sign-on Message:
        COM-KBUC6 R2.7 (CKBUAM27)(09/02/2025)
Changes:
        1. SPEC change, support PCIe 0~3 , "X2 X1 X1" , "X2 X2" set in setup.  
        2. Microcode update
        3. Update MicroSoft CA 2023 KEK / db keys.
        4. Cumulative udpate.

================================================================================
BIOS Name:      CKBUAM26                (Based on : CKBUAM25)
Build Date:     02/09/2023
Checksum:       B72Eh
Sts:            19155
Sign-on Message:
        COM-KBUC6 R2.6 (CKBUAM26)(02/09/2023)
Changes:
        1. Update SIO module and SIO feature improvement

================================================================================
BIOS Name:      CKBUAM25                (Based on : CKBUAM24)
Build Date:     10/25/2022
Checksum:       DE47h
STS:            18674
Sign-on Message:
        COM-KBUC6 R2.5 (CKBUAM25)(10/25/2022)
Changes:
        1. Fix UEFI PXE fail issue

================================================================================
BIOS Name:      CKBUAM24
Build Date:     08/31/2022
Checksum:       39E9h
Sign-on Message:
        COM-KBUC6 R2.4 (CKBUAM24)(08/31/2022)
Changes:
        1. Fix SATA Port sometimes fails to be caught in 'UEFI Hard Disk Drive BBS Priorities' issue
================================================================================
BIOS Name:      CKBUAM23                (based on CKBUAM22)
Checksum:       5A0Ch
sts no:     16008
Sign-on Message:
                        COM-KBUC6 R2.3 (CKBUAM23)(12/16/2021)
Matched EC:  CSKUAE22 above.    
Changes:
1. Fix Sign on message incorrect issue
2. Fix Temperature symbol showing abnormal issue
===========================================================================
BIOS Name:      CKBUAM22                (based on CKBUAM21)
Checksum:       8577h  
Sign-on Message:
                        COM-KBUC6 R2.2 (CKBUAM22)(07/23/2020)
Matched EC:  CSKUAE22 above.
Changes:
1. Set the default of "eDP/LVDS???SSC" from "Enable" to "Disable"
===========================================================================     
BIOS Name:      CKBUAM21                (based on CKBUAM20)
Checksum:       149Dh  
Sign-on Message:
                        COM-KBUC6 R2.1 (CKBUAM21)(07/16/2020)
Matched EC:  CSKUAE22 above.
Changes:
1. Support 'eDP/LVDS???Enable' option
2. Support 'eDP/LVDS SCC' option
===========================================================================     
BIOS Name:      CKBUAM20                (based on CKBUAM19)
Checksum:       1CC1h  
Sign-on Message:
                    COM-KBUC6 R2.0 (CKBUAM20)(11/06/2019)
Matched EC:  CSKUAE22 above.
Changes:
1. Support AAEON BIOS Robot Feature.
2. Compatibility enhancement of PCIe.
===========================================================================     
BIOS Name:      CKBUAM19                (based on CKBUAM18)
Checksum:       6071h  
Sign-on Message:
                    COM-KBUC6 R1.9 (CKBUAM19)(06/25/2019)
Matched EC:  CSKUAE22 above.
Changes:
1. Support Fixed Boot Order feature.
2. Support AAEON EC-SMB-HC feature.
===========================================================================     
BIOS Name:      CKBUAM18                (based on CKBUAM17)
Matched EC version: CSKUAE21 or later.
Checksum:       16MB: 20C0h  
Sign-on Message:
                COM-KBUC6 R1.8 (CKBUAM18)(01/08/2019)

Project string: __CKBUA__
Change:         
1. Support DP/HDMI/DVI with DDI1/DDI2 channel with UEFI mode.
2. Fix disabling 'Battery Management' function then 'Battery component' still present in device manager.
3. Remove Fixed boot order function.
===========================================================================     
BIOS Name:      CKBUAM17.bin            (based on CKBUAM16)
Checksum:       44F6h 
Sign-on Message:
                COM-KBUC6 R1.7 (CKBUAM17)(01/02/2019)

Matched EC version: CSKUAE20 or later.
Changes:
        1.Enable HAP mode.
        2.Enable 'Wake on lan' function as defualt.
        3.Add LVDS resolution as following.
         .640*480, 800*480, 1024*600, 1280*1024, 1440*900, 1920*1200.

BIOS Update Procedure:
                1. Boot to EFI shell and execute GO.nsh to update BIOS.
                2. System will restart automatically after BIOS updated. 
                3. Boot to BIOS setup menu and enable the item "ME FW Image Re-Flash" 
                   in "Firmware Update Configuration" from Advanced page.
                4. Boot to EFI shell and execute ME.nsh.
                5. Unplug power cord after the update is finished.
                6. Plug power cord and turn on the system to finish the update procedure.
===========================================================================     
BIOS Name:      CKBUAM16.bin            (based on CKBUAM15)
Matched EC version: CSKUAE20 later.
Checksum:       3777h  
Sign-on Message:
                COM-KBUC6 R1.6 (CKBUAM16)(12/04/2018)

Changes:
                1.Support AAEON BioX.
                2.Support Fixed boot order function.
                3.Support Secure boot function and default as disabled.
                4.Modify PCIe root port 0~3 default from 'Disable' to 'Enable'.
===========================================================================     
BIOS Name:      CKBUAM15.bin            (based on CKBUAM14)
Matched EC version: CSKUAE20 later.
Checksum:       C415h  
Sign-on Message:
                COM-KBUC6 R1.5 (CKBUAM15)(11/01/2018)

Changes:
                1.Modify PCIe and SATA controller gen speed default as 'AUTO'.
                2.Show LVDS related item as following.
                 .Resolution : 800*600, 1024*768, 1280*800, 1366*768, 1600*1200, 1920*1080
                 .Color Depth : 18Bit, 24Bit, 36Bit, 48Bit
===========================================================================     
BIOS Name:      CKBUAM14.bin            (based on CKBUAM13)
Matched EC version: CSKUAE20 after.
Checksum:       BD41h  
Sign-on Message:
                COM-KBUC6 R1.4 (CKBUAM14)(09/14/2018)

Changes:
                1.Fix DP monitor flicker issue.
===========================================================================     
BIOS Name:      CKBUAM13.bin            (based on CKBUAM12)
Matched EC version: CSKUAE20 after.
Checksum:       B0F4h  
Sign-on Message:
                COM-KBUC6 R1.3 (CKBUAM13)(09/12/2018)

Changes:
                1.Fix DP no display under BIOS setup/shell/DOS if only insert DP monitor.
===========================================================================     
BIOS Name:      CKBUAM12.bin            (based on CKBUAM11)
Matched EC version: CSKUAE20 after.
Checksum:       85D0h  
Sign-on Message:
                COM-KBUC6 R1.2 (CKBUAM12)(09/03/2018)

Changes:
                1.Support TPM1.2/TPM2.0 function.
                2.Remove "PEG" option in "Primary Dispaly" item.
                3.Remove LVDS enabled/disabled item.
                4.Disable 'LPC clock run'.
                5.Show 'Intel(R) Speed Shitf Technology' item in BIOS setup menu.
                6.Fix Smart fan function abnormal issue.
===========================================================================     
BIOS Name:      CKBUAM11.bin            (based on CKBUAM10)
Checksum:       437Dh  
Sign-on Message:
                COM-KBUC6 R1.1 (CKBUAM11)(06/07/2018)

Changes:
                1.Upgrade PCIe x1/x4 switch function.
===========================================================================     
BIOS Name:      CKBUAM10.bin            (based on CKBUAM05)
Checksum:       7DC0h  
Sign-on Message:
                COM-KBUC6 R1.0 (CKBUAM10)(05/24/2018)

Changes:
                1.BIOS first released.
                 .Update microcode from version "Microcode_197" to "Microcode_218".
                 .Fix SMBIOS data will loss after clear CMOS.
===========================================================================     
BIOS Name:      CKBUAM05.bin            (based on CKBUAM04)
Checksum:       008Eh  
Sign-on Message:
                COM-KBUC6 R0.5 (CKBUAM05)(04/19/2018)

Changes:
                1.Fix "Restore on AC Power Loss" funxtion fail.
                2.Remove "PTT Configuration" item for no support on this porject.
                3.Show "Serial ATA Port 2" item for project support.
                4.Fix USB port no ejection icon issue.
                5.Show "SATA Controller Speed" item in BIOS setup menu and default as "GEN2".
                 .setup menu:Advanced -> SATA Configuration -> SATA Controller Speed
===========================================================================
BIOS Name:  CKBUAM04.bin                (based on NCKUAM11)
Note:           The BIOS is modified base on NCKUAM11 because of the code base update.
Checksum:   8E0Ch   
Sign-on Message:
        COM-KBUC6 R0.4 (CKBUAM04)(03/28/2018)

Changes:
                1.Code base update from NCKUAM11.
===========================================================================
BIOS Name:  CKBUAM03.bin                (based on CKBUAM02)
Checksum:   139Ah   
Sign-on Message:
        COM-KBU R0.3 (CKBUAM03)(07/26/2017)

Changes:
                1. Update Microcode to version 196
                2. Fix LVDS no display issue
                3. Fix PCIe port no working issue.
                4. Support HDMI on DDI1 and DDI2
===========================================================================
BIOS Name:  CKBUAM02.bin                (based on CKBUAM01)
Checksum:   FFBBh   
Sign-on Message:
        COM-KBU R0.2 (CKBUAM02)(05/19/2017)

Changes:
                Second bring up BIOS      
===========================================================================
BIOS Name:  CKBUAM01.bin                (based on NCKUAM01)
Checksum:   C306h   
Sign-on Message:
        COM-KBU R0.1 (CKBUAM01)(04/20/2017)

===========================================================================
BIOS Name:      NCKUAM02.bin            (based on NCKUAM01)
Checksum:       5553h 
Sign-on Message:
                NANOCOM-KBU R0.2 (NCKUAM02)(05/12/2017)

Changes:
        1.Support UEFI PXE boot.
        2.Support DIO function.
        3.Support PCIe configuration x1 & x4 selection function.
===========================================================================
BIOS Name:      NCKUAM01.bin
Checksum:       8B10h 
Sign-on Message:
                NANOCOM-KBU R0.1 (NCKUAM01)(04/26/2017)

Changes:
        1.Bring up BIOS
===========================================================================
