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					IMBA-R680E-R10 (B645)
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CPU	   : AlderLake S/RaptorLake S
Chipset: Q6700(V1.00) R680E(V1.01/V1.02)
SIO	   : F81966 (COM Ports x 6 + DIO)
EC	   : KB9068 (HW monitor + 3 Smart FANs)
Memory : DDR5 x 4 Slots
Display: VGA + DPx2 +TYPE C(DP)(V1.00)  (V1.01:)DP++ +HDMI + iDPM 
LAN    : I225 x 2
SATA   : SATA x 6(V1.00) SATA x 4(V1.01/V1.02)
M.2    : M.2 Slot x 3
SIM    : SIM Card x 1(V1.01/V1.02 Removed)
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WDT: EC API 	
DIO: 6 Ins + 6 Outs
=============================================================================
VSCC Table:
			  W25R256JW		0xEF6019
			  W25R256JV		0xEF4019
              W25Q256JV		0xEF7019
              MX25L25645G	0xC22019
			  MX25U25643G	0xC22539
=============================================================================
CPU Microcode : 
M0290670_00000019(Alder Lake-S A-0/A-2 Stepping)
M8290671_0000001A(Alder Lake-S B-0 Stepping)
M0790672_00000037(Alder Lake-S C-0/K-0 Stepping)
M0190674_00000219(Alder Lake-S G-0 Stepping)
M02B0670_0000000E(Raptor Lake-S A-0 Stepping)
m_32_b0671_0000012B(Raptor Lake-S B-0 Stepping)
M03B06F2_00000020(Raptor Lake-S C-0 Stepping)
M0790672_00000037(Raptor Lake-S H-0 Stepping)
=============================================================================
Note:
	1.No support DOS.
	2.Please Enable VMD controller on Chipset setup(System Agent(SA)Configuration) for New Raid function, .
Known issues:
	1.Intel TXT function test failed
	2.System will restart with AMD RADEON PRO W6600 graphic card after shutdown.
	3.Case Open only support warning message(HW Designed not support Beep)
	4.B645AR20 only support AlderLake C0 stepping & RaptorLake A0/A1 Stepping CPUs.
	5.S4 resume to OS maybe show more logo.
	6.Removed CMOS battery maybe can't clear time.
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Version		: B645AR41	Based on B645AR40    	 (EC:B645NR33)      M2026010239                     		
Date		: 2026/04/28
CheckSum	: 3F4Ah
BIOS owner  : Joey
Update BIOS : EFI
Update ME/TXE : EFI
ME/TXE change : YES
Action		: 
1.Fixed Hotkey function fail.
2.Modified some option default value.
3.Fixed OKR2 F3 no function.
4.Fixed empty password can enter setup after already set Admin password. 
5.Fixed Type17 show 8 memory devices massage. 
6.Hide some options follow BIOS rule.   
7.Disable OKR2 Hint string follow BIOS rules.
8.Removed S3 for new platform.
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Version		: B645AR40	Based on BTL-S 51      	 (EC:B645NR32)      M2026010239                     		
Date		: 2026/02/10
CheckSum	: 9BDCh
BIOS owner  : Joey
Update BIOS : EFI
Update ME/TXE : EFI
ME/TXE change : YES
Action		: 
1.First release based on BTL-S CRB51.
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