
                                 BIOS Changes History
      

General Information:

        F4J9xxUSA is Flash CD ROM image.
        F4JTxxUSA is Flash in DOS zip package.
        F4JYxxUSA is Flash in Windows utility.
        NOTE: All changes carry forward.  That is, if a change is added in 01,it is also in 02, 03 etc.
This file will be updated from the beginning with first Production BIOS release

CHANGES for F4KT61A
   -Update CPU microcode.

CHANGES for F4KT60A
   -Enhancement to address CVE-2017-5715 (http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=2017-5715).

CHANGES for F4KT59A
   -[Important] Update includes security fixes.

CHANGES for F4KT58A
   -Fixed WMI related issue.

CHANGES for F4KT57A
   -[Important] Update includes security fixes.

CHANGES for F4KT56A
   -[Important] Update includes security fixes.
   
CHANGES for F4KT55A
   -[Important] Update includes security fixes.

CHANGES for F4KT54A
   -Maintenance Release.

CHANGES for F4KT52A
   -Mitigate risk of security vulnerability related to DRAM Row Hammering.

CHANGES for F4KT51A
   -Maintenance Release.

CHANGES for F4KT50A
   -Fixed some manufactory tool related issues.

CHANGES for F4KT49A
   -Maintenance Release.

CHANGES for F4KT47A
   -Fix EIP88550 issue
   -Patch for WOL behavior follow LENOVO DT standard SPEC v4.10
   -Update Allow Flashing BIOS to a Previous Version help message to match Lenovo Tiny H61 BIOS Layout 2.5.
   -Patch for Password check for PAP/POP.
   -Patch for Improve HDP buffer check when input HDP.
   -Fix HPM can be enabled or disabled via WMI

CHANGES for F4KT46A
  -Add EDU 7.7 support.       
  -Patch for no USB KB POST error with YAMAHA device.
  -Adjust the Boot sequence NetWork show string as "IPV4/IPV6" in UEFI mode.
  -Update Allow Flashing BIOS to a Previous Version help message to match Setup Layout spec 2.4.

CHANGES for F4KT45A
  -Change "Pre-Allocated Memory Size" default value to 32MB for win8.1 WHCK and fixed some Win8.1 WHQL issues
  -Patch issue:CMOS map not kept when flash from WIn7 BIOS if MFGDone set"

CHANGES for F4KT44A
  -Support New Finger Print keyboard
  -Do some security enhancement for security boot status and BIOS backflashing.

CHANGES for F4KT43A
	-fix the issue that if WOL is diable, "S3/S4" shutdown.
	-Add patch for :"It will BSOD when S3 resume from SSHD with user password".

CHANGES for F4KT42A
	-Fix the issue that update F4KT37A to F4KT41A bios will no screen and can't keep boot sequence.

CHANGES for F4KT41A
	-Fix the issue that update F4KT24A to F4KT40A bios will no screen.

CHANGES for F4KT40A
	-Fix the issue that under IDE mode, system boot fail after PXE boot timeout
  -Update supported MTM length to 25 bytes

CHANGES for F4KT39A
	-Update Intel reference code 1.8.0