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		IMBA-Q471-R10 (SAS4)AMI APTIO BIOS
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Mainboard	: IMBA-Q471-R10 (SAS4)
Chipset		 : CometLake-S(U-DIMM) + Q470+ F81966 + ENE KB9068 + LAN I225x3 + ALC888S-VD(ESPI to LPC)
=============================================================================
WDT:	

DIO:   supoort
           DIN ：GPIO04/11/12/13/10/07
         DOUT：GPIO00/01/02/03/05/06

=============================================================================
CPU Microcode : 
1. Microcode Revision:56


=============================================================================
Note:
1. No support DOS.
2.If Insert graphics card, need set Primary Display to PEG（For 11th CPU）.
3.Not support case open funciton.
=============================================================================
Version		: SAS4AR14  (Base on SAS4AR13)	 (EC:SAS4NR14)    
Date		: 2026/07/24
CheckSum	:  BB85h
AMI Code Version    : 5.17_1AXKW_RC9.1.24.40_018
BIOS owner              :Yu Xu
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : No
Action		: 
1.Modified all PCIe port devices state from D3 to D0.
2.Import CA2023 Keys follow BIOS rule.
3.Show [Secure Boot] option & Setting secure boot mode as CUSTOM. 
4.Fixed OKR2 Timer loop problem.
5.Hide L4 cache option follow BIOS rule.
6.Support screenshot by F12 under setup function.
7.Update Background image of setup follow BIOS rule.
8.Modified some strings follow BIOS rule.
9.Fixed F3 can not load default value. 
10.Show Case open option follow BIOS rule. 
11.Disable AER options follow BIOS rule.
12.Updated Microcode for latest follow BIOS rule.
13.Hide some strings follow rule.
=============================================================================
Version		: SAS4AR13  (Base on SAS4AR12)	 (EC:SAS4NR13)    
Date		: 2023/12/26
CheckSum	:  FBC5h
AMI Code Version    : 5.17_1AXKW_RC9.1.24.40_018
BIOS owner              :Yu Xu
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : No
Action		: 
1.Support OKR2 function follow BIOS rule.
2.Fixed ISMM WDT no function.
3.Fixed ISMM WDT reload Timer function fail issue 
4.Fixed will hang When have Password and Enabled Console together after scan password.
5. Hide case open option follow BIOS rule.
6.Show PTT Configuration for rules.
7. Modify some options string follow BIOS rule.
8. Path Can't Modify Auto Recover Some default in BIOS 
9.Hide some options follow BIOS rule.
10.Import BIOS rule solutions.
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Version		: SAS4AR12  (Base on SAS4AR11)	 (EC:SAS4NR12)    
Date		: 2022/12/02
CheckSum	:  76BCh
AMI Code Version    : 5.17_1AXKW_RC9.1.24.40_018
BIOS owner              :Yu Xu
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : YES
Action		: 
1.Fixed the Display Audio function failed ;
2.Support ME override function;
3.Update Microcode version for INTEL issues;
4.Fixed disabled all boot options still can boot into OS;
5.Modify default display resolution follow BIOS rules;
6.Fixed 11th CPU can not show power limit options;
7.Fixed display issues follow BIOS rules;
8.Add VGA Enabled&Disabled Function;
9Hide some options follow BIOS rules.
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Version		: SAS4AR11  (Base on SAS4AR10)	 (EC:SAS4NR10)    
Date		: 2022/06/10
CheckSum	:  3C1Fh
AMI Code Version    : 5.17_1AXKW_RC9.1.24.40_018
BIOS owner              :Yu Xu
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : No
Action		: 
1.fixed meclose report error when take ME close action;
2.Fixed restart when shut off under shell/setup when PCIE slot3 plug device;
3.Fixed PL1 & PL2 show error when write value;
4.Modify Primary Display from AUTO to PEG for 10th CPU display problem;
5.Fixed LAN1 disappear under Device Manager under OS after ban/pick device;
6.Import SOP about will blue screen when plug pci card ;
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Version		: SAS4AR10  (Base on SAS4AR06)	 (EC:SAS4NR10)    
Date		: 2022/04/07
CheckSum	:  C473h
AMI Code Version    : 5.17_1AXKW_RC9.1.24.40_018
BIOS owner              :Yu Xu
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : No
Action		: 
1.Fixed insert USB3.0 card into PCIE slot loss function;
2.Fixed J_CMOS will clear time ;
3.Import SOP of BIOS general settings;
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Version		: SAS4AR06  (Base on SAS4AR05)	 (EC:SAS4NR03)    
Date		: 2022/03/01
CheckSum	:  BE5Bh
AMI Code Version    : 5.17_1AXKW_RC9.1.24.40_018
BIOS owner              :Yu Xu
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : Yes
Action		: 
1.Fixed hang issue when debug mode;
2.Modify  options defaults follow BIOS spec;
3.Fixed Cometlake platform video port hot plug function fail;
4.Fixed the frequency be overclocked when load not added;
5.Import support  install server solution follow BIOS rules;
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Version		: SAS4AR05  (Base on SAS4AR04)	 (EC:SAS4NR02)    
Date		: 2022/02/08
CheckSum	:  8AF9h
AMI Code Version    : 5.17_1AXKW_RC9.1.24.40_018
BIOS owner              :Yu Xu
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : Yes
Action		: 
1.Withdraw single power for BIOS rule;
2.Modify FAN information for mainboard design;
3.Modify String follow BIOS rule;
4.Fixed  USB long beep when plug device;
5.Disable IAMT for mainboard design;
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Version		: SAS4AR04  (Base on SAS4AR03)	 (EC:SAS4NR02)    
Date		: 2021/01/17
CheckSum	:  864Fh
AMI Code Version    : 5.17_1AXKW_RC9.1.24.40_018
BIOS owner              :Yu Xu
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : Yes
Action		: 
1.Modify USB 2.0 eye signal for HW design;
2.Import Intel solution for Intel issues;
3.Fixed reboot issue when shutdown from OS;
4.Support Win11 for RKL platform;
5.Fixed USB 3.0 transmission speed low;
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Version		: SAS4AR03  (Base on SAS4AR02)	 (EC:SAS4NR02)    
Date		: 2021/01/05
CheckSum	:  DB98h
AMI Code Version    : 5.17_1AXKW_RC9.1.24.40_018
BIOS owner              :Yu Xu
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : No
Action		: 
1.Fixed UEFI LAN PXE function fail;
2.Fixed VGA display function matter;
3.Fixed S3 resume function fail;
4.Hide/Show options follow BIOS rules;
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Version		: SAS4AR02  (Base on SAS4AR01)	 (EC:SAS4NR01)    
Date		: 2021/12/15
CheckSum	:  9A44h
AMI Code Version    : 5.17_1AXKW_RC9.1.24.40_018
BIOS owner              :Yu Xu
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : YES
Action		: 
1.Fixed M_2 auto switch function fail;
2.Hide some items follow BIOS spec;
3.Import new UI interface;
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Version		: SAS4AR01  (Base on SAO8AR06)	 (EC:SAS4NR01)    
Date		: 2021/12/08
CheckSum	:  16E2h
AMI Code Version    : 5.17_1AXKW_RC9.1.24.40_018
BIOS owner              :Yu Xu
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : YES
Action		: 
1.First Release
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Version		: SAO8AR06  (Base on SAO8AR05)	 (EC:SAO8NR00)    
Date		: 2021/7/28
CheckSum	:  E753h
AMI Code Version    : 5.17_1AXKW_RC9.1.24.40_018
BIOS owner              :Yongchuan
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : No
Action		: 
1.Update the lastest CRB code for 11th CPU
2.Update BIOS for HW update v1.01
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Version		: SAO8AR05  (Base on SAO8AR04)	 (EC:SAO8ER03)    
Date		: 2021/4/28
CheckSum	:  D460h
AMI Code Version    : 1AWDV039 
BIOS owner              :Miaomiao
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : No
Action		: 
1.Fixed Year will run to 2100 after 12/31/2099 23:59:59.
2.Avoid RTC date/time is cleared to the default value when push RTC clear button.
3.Enable Fpf / TxtSupported;
4.Disable IAMT  funciton;
5.Fix EIST disabled function failed under WIN10 x64 issue
6.show  some  item follow bios rule;
7.set logo resoution 1920X1080;
8.support raid  function;
9.Fixed press enter key can into setup without password after set password;
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Version		: SAO8AR04  (Base on SAO8AR03)	 (EC:SAO8ET02)    
Date		: 2021/2/24
CheckSum	: 62D7h
AMI Code Version    : 1AWDV039 
BIOS owner              :Miaomiao
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : No
Action		: 
1.set USB port 3/4/5/6  speed gen1 for HW;;
2.fix sound 7 beep when absent memory;
3.Fixed show logo when no boot device to boot;

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Version		: SAO8AR03   (Base on SAO8AR02)	 (EC:SAO8ER01)    
Date		: 2021/1/25
CheckSum	: D1ABh
AMI Code Version    : 1AWDV039 
BIOS owner              :Miaomiao
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : No
Action		: 
1.Fixed ASHHotkey function test failed;
2.Support UEFI PXE function;
3.Fix USB KB/MS can't wake S3 issue;
4.Hide Video item according to BIOS spec;
5.fix PCI Slot2 /Slot3 plugged PCI card cause win10 OS BSOD  when  PCI Slot1 no device .
6.Modify some item string;
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Version		: SAO8AR02    (Base on SAO8AR01)	 (EC:SAO8ER01)    
Date		: 2020/11/13
CheckSum	: AF08h
AMI Code Version    : 1AWDV039 
BIOS owner              : Emily Jiang
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : No
Action		: 
1.Support SATA LED function
2.Fix PS2 MS have no function
3.Fix PS2 KB/MS can't wake S3 issue
4.Support COM5 RS232/422/485 function
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Version		: SAO8AR01	(EC:SAO8ER01)     NO.2020070001
Date		: 2020/11/06
CheckSum	: 06B8h
AMI Code Version    : 1AWDV039 
BIOS owner              : Emily Jiang
Update BIOS            : EFI
Update ME/TXE        : EFI
ME/TXE change        : Yes
Action		: 
1.First Release
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