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	Wafer-CV-N26001(Wafer-CV-D25501) (B217) AMI Aptio BIOS
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Mainboard : Wafer-CV-D27001(Wafer-CV-N26001)(B217)
Chipset:    CedarView-D(M)+NM10(TigerPoint)+F81866
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DIO:	Int15				(F81866)
	Input	ax=6F08h
		bl:bit 0-3			
	output	ax=6F09h
		bl:bit 0-3
WDT:	Int 15h				(F81866)
	ax = 6F02h
	bl = value
	bl = 0	(Stop counter)
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CPU Microcode :    
     M0830660003.PDB     M083066110C.PDB     M023066110C.PDB	 
     M0120661104.PDB     M0430660003.PDB     M043066110C.PDB
     M013066110C.PDB
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Note: 
1.When ERP function enabled,S4,S5 support wake from power button only.
2.B217 Com3 not support wake function.
3.Support only single display in legacy environment like DOS.
4.B217 Support DDR3L Function.
5.CPU smart fan function refer to system temperature.
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Version       : B217AR18.ROM
Date          : 2015/09/02
CheckSum      : 17D6h
Sign-on Message : N/A 
BIOS Spec. Ver.	: V1.0
BIOS owner    : Allen Lin

Action        : 1.Fixed sometimes system hang up after a reset event(via Reset Button or WatchDog). 
		  (This issue only occurred on N2600, but D2550 not)
		2.Do not launche EFI Shell if disable all Boot Devices in setup.
		3.Fixed after clear CMOS, BIOS password also has cleared.

Known issue   : 
N/A
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Version       : B217AR17.ROM
Date          : 2013/11/26
CheckSum      : 80B6h
Sign-on Message : N/A 
BIOS Spec. Ver.	: V1.0
BIOS owner    : Allen Lin

Action        : 1.Patch after clear CMOS, some BIOS setup item can't restore to default.
		2.Fix Panel type options incorrect.
		3.Add IEI Release Rule
		  (a.)Add EIST function to CPU Group.
  		  (b.)Modify Azalia Controller string.
		  (c.)Modify Backlight Control Mode string.
		  (d.)Modify SMBIOS type1 ,type2 "Manufacturer" string to [iEi] 

Known issue   : 
N/A
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Version       : B217AR16.ROM
Date          : 2013/04/26
CheckSum      : 22D9h
Sign-on Message : N/A 
BIOS Spec. Ver.	: V1.0
Action        : 1.Add HWM Voltage function.
		2.Add support BIOS version in SMBIOS type 0.

Known issue   : 
N/A
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Version       : B217AR15.ROM
Date          : 2013/02/25
CheckSum      : 1CC6h
Sign-on Message : N/A 
BIOS Spec. Ver.	: V1.0
Root cause	: Bug fixed.
Action        : 1.Patch after flash BIOS, first time see BIOS LOGO and enter BIOS setup to load BIOS default.
		  Next boot system will cause memory size incorrectness.
		2.Modify Panel resolution options.
		640x480   18-bit
		800x600   18-bit  (Default)
		1024x768  18-bit
		1280x1024 24-bit
		1366x768  18-bit
		1024x600  18-bit
		1280x800  18-bit
		1024x768  24-bit
		1366x768  24-bit

Known issue   : 
N/A
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Version       : B217AR14.ROM
Date          : 2012/09/03
CheckSum      : F106h
Sign-on Message : N/A 
BIOS Spec. Ver.	: V1.0
Root cause	: Bug fixed.
Action        : 1.Fix LVDS2 run wrong Resolution in BIOS setup & Windos7 boot LOGO when panel resolution not 800x600.
		2.Fix BIOS setup string
		  (a.)[Backlight Control] => [LVDS1 Backlight Control]
		  (b.)Add [LVDS1 Panel Type] bit number.
		3.Modify [Auto Power Button status] string to support ICP Rule.

Known issue   : 
1.If enable Auto recovery PXE function, it must set PXE LAN boot to first boot device.
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Version       : B217AR13.ROM
Date          : 2012/08/28
CheckSum      : A85Fh
Sign-on Message : N/A 
BIOS Spec. Ver.	: V1.0
Root cause	: Bug fixed.
Action        : 1.Add setup item.
		  (a.)[Azalia Controller]
		  (b.)[SATA controller]
		2.Fix Power saving function can't work after second S4.
		3.Fix PS/2 device can't work after S3 resume.
		4.Fix Some B217 Mainboard will blue screen on Win7 after install VGA driver.
		5.Fix can't boot to EFI Shell or UEFI ODD.
		6.Add CPU Temperture in BIOS setup H/W monitor.
		7.Follow new ICP BIOS release rule.
		  (a.)Remove H/W Monitor Voltage function.
		  (b.)Set [Fixed Graphics Memory Size] default as [256MB].

Known issue   : 
1.LVDS2 run wrong Resolution in BIOS setup & Windos7 boot LOGO when panel resolution not 800x600.
(Chip Vendor response: It's CH7511B chip with CedarView platform issue.)
2.If enable Auto recovery PXE function, it must set PXE LAN boot to first boot device.
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Version       : B217AR12.ROM
Date          : 2012/07/19
CheckSum      : 4805h
Sign-on Message : N/A 
BIOS Spec. Ver.	: V1.0
Root cause	: Bug fixed.
Action        : 1.Fix Console can't control by client Key board.
		2.Adjust serial port console redirection show error issue(ANSI & VT100 mode).
		3.Fix console can't display in DOS mode.
		4.Fix after install OS VGA driver, CRT can't display.

Known issue   : 
1.Can't install Win7 64bit with 3TB HD in UEFI Device Mode.
2.LVDS2 run wrong Resolution in BIOS setup & Windos7 boot LOGO when panel resolution not 800x600.
(Chip Vendor response: It's CH7511B chip with CedarView platform issue.)
3.If enable Auto recovery PXE function, it must set PXE LAN boot to first boot device.
4.When enable UEFI Boot function, the system can not enter shell mode.
5.Power saving function fail,wake on Ring/LAN can normal resume on S5 mode.
6.PCcheck STRESS test is fail.
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Version       : B217AR11.ROM
Date          : 2012/05/10
CheckSum      : 7053h
Sign-on Message : N/A 
BIOS Spec. Ver.	: V1.0
Action        : 1.Fix USB device can't wake system.
		2.Fix sometime system boot will loss boot device.
		3.Enable CPU X64 function.
		4.Enable IDE security Master password function.
		5.Fix DIO function (If DIO function successful, it must return AX to 005Fh.)
		6.Disable CPU Temperature sensor function, because B217 not supported.
                  (CPU smart fan function reference system temperature.)
		7.Add clockgen function => SpreadSpectrum function

Known issue   : 
1.Can't install Win7 64bit with 3TB HD in UEFI Device Mode.
2.LVDS2 run wrong Resolution in BIOS setup & Windos7 boot LOGO when panel resolution not 800x600.
(Chip Vendor response: It's CH7511B chip with CedarView platform issue.)
3.Console function fail(Only COM1 work normally).
4.If enable Auto recovery PXE function, it must set PXE LAN boot to first boot device.
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Version       : B217AR10.ROM
Date          : 2012/03/14
CheckSum      : DE13h
Sign-on Message : N/A 
BIOS Spec. Ver.	: V1.0
Action        : 1.First release.

Known issue   : 
1.After Bettery & AC Power removed, and next plug in they.Sometimes Power button can't power on system.(Must Plug in AC Power again.)
2.Can't install Win7 64bit with 3TB HD with UEFI Device Mode.
3.Sometimes boot to USB HDD (DOS mode), can't detect HDD disk Volume.
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