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                           Intel Alder Lake P 
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Mainboard : B691_UPC-F12M1-ADLP-MB
Chipset   : AlderLake-P(LPDDR4X) + EC ITE5571(ESPI0)+ LAN1-i225V + LAN2-i225V
EC Chip   : ITE EC IT5571
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Note:
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Version          : Z791ER11  (Based on Z791ER10)  BIOS: Z791AR14   M2024070179 
Date             : 2025/3/19
CheckSum         : 86F1h
Code version     : ITE V14.6
EC owner         : xiaoqiao
Update EC        : EFI
HW Version       : V102

Action           : 1.Fixed issue power on delay when at low degree
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Version          : Z791ER10  (Based on B691ER10)  BIOS: Z791AR10    M2023080358
Date             : 2023/09/11
CheckSum         : A8ADh
Code version     : ITE V14.6
EC owner         : xiaoqiao
Update EC        : EFI
HW Version       : V101

Action           : 1.Modify name to Z791ER10
                   2.Support IEIOKR2
                   3.Support EUP function in G3 state
                   4.Modify lvds brightness range from 1~100 to 5~100
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Version          : B691ER10  (Based on B691ER04)  BIOS: B691AR10    NO. 2023040003
Date             : 2023/08/21
CheckSum         : F48Dh
Code version     : ITE V14.6
EC owner         : xiaoqiao
Update EC        : EFI
HW Version       : V101

Action           : 1. Support USB 5V/5vdual power function
                   2. Patch  Data may not write BRAM(EEPROM) by ECAPI
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Version          : B691ER04    Based on B691ER03    NO. 2023040003
Date             : 2023/07/6
CheckSum         : 7862h
Code version     : ITE V14.6
EC owner         : xiaoqiao
Update EC        : EFI
HW Version       : V101

Action           : 1.Patch ME OVERRIDE function
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Version          : B691ER03    Based on B691ER02    NO. 2023040003
Date             : 2023/07/6
CheckSum         : 94D1h
Code version     : ITE V14.6
EC owner         : xiaoqiao
Update EC        : EFI
HW Version       : V101

Action           : 1.Modify F81435 COM PORT type EC API follow EC spec
                   2.Fixed issue s3 wake just like reboot behavior

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Version          : B691ER02    Based on B691ER01    NO. 2023040003
Date             : 2023/05/31
CheckSum         : A401h
Code version     : ITE V14.6
EC owner         : xiaoqiao
Update EC        : EFI
HW Version       : V101

Action           : 1.Patch issue some boards can not power on
                   2.Support BIOS auto load default by OS App

Known issue      : N/A
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Version          : B691ER01    Based on B691ET04    NO. 2023040003
Date             : 2023/05/23
CheckSum         : 9E0Ch
Code version     : ITE V14.6
EC owner         : xiaoqiao
Update EC        : EFI
HW Version       : V101

Action           : 1.Fixed issue V101 can not power on

Known issue      : N/A
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Version          : B691ET03
Date             : 2023/03/21
CheckSum         : h
Code version     : ITE V14.6
EC owner         : Sam Wu
Update EC        : EFI

Action           : 1.Add Heater function.

Known issue      : N/A
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Version          : B691ET02
Date             : 2023/03/21
CheckSum         : h
Code version     : ITE V14.6
EC owner         : Sam Wu
Update EC        : EFI

Action           : 1.Set GPIO pins.
                   2.Support ACC mode.
                   3.Add DIO function.

Known issue      : N/A
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Version          : B691ET01
Date             : 2023/02/03
CheckSum         : h
Code version     : ITE V14.6
EC owner         : Sam Wu
Update EC        : EFI

Action           : 

Known issue      : N/A
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