** B68 Bios history **

Name convention is 
 seco_ApolloLake_B68_bios_<AMI_BIOS_TAG>_<BIOS_VERSION>_<RELEASE_DATE>_<RESTRICTION>.bin

Where:
  AMI_BIOS_TAG  Is AMI BIOS Tag used for the project
  BIOS_VERSION  Is SECO BIOS version with this format Major.Minor.Patch
  RELEASE_DATE  Is BIOS Release Date
  RESTRICTION   Is related to bios configuration, pcie aggregation, etc

2023/06/23 - 1.19.00
  - Add generic "Seco Embedded Feature" module
  - Add AutoConsoleRedir management support (default unchanged)
  - Enhance VirtualCom managament + add native INT351X support
  - Add SPIDEV Linux devices support
  - Correct wrong I2C PullUp values
  - Correct I2C bus speed timings
  - Add Seco I2CTampering support for anti-tampering module
  - Correct issue where F1 stepping boards do not boot below -25°C
  - Enhance RHProxy management (disabled by default)
  - Enhance external EDID management
  - Enhance handling of critical temperatures
  - Enhance HW passive handling
  - Add NCT610XD SIO support
  - Correct issue when none of the devices in the Fixed Boot Order list are available
  - Remove POST codes from lower corner of splash screen
  - Fix on SMBIOS serial number read
  - Disabling LVDS now correctly turn off the PTN controller
  - Improvement in serial debug support
  - Add TCO support

2022/07/25 - 1.18.00
  - Update microcode from 30 to 33
  - RC Fw update from 021 to 035
  - Increase granularity of thermal zone measurement interval
  - Optimized SIO SMSC311x management
  - Mailbox (EC) access routine optimizaition

09/02/2022 - B68 1.17
  - Fix not working serial redirection 
  - Adjust tokens for eMMC and SD-card support
  - Updated Microcode from 30 to 32
  - Add feature for external edid LVDS information on setup
  - Fix CS4207 verb table for microphone
  - Finalize generic verb tables for Apollo lake
  - Add options for PWM brightness min value and frequency for LVDS
  - Fix inconsistent string on SMBIOS
  - Add verb table for CS4207 surround 5.1
  - DDI0 configuration override: now allows to phisically disable the interface
  - Corrected error in DelayedPowerOn BIOS option

2020/12/01 - B68 1.13
  - Added support to delay power on from G3 through dedicated BIOS option
  - FW 0E
    * Support to configurable delay on Boot from G3

2020/10/07 - B68 1.12
  - Optimization in PXE Boot management
  - Full support for LVDS management
  - Setup option to configure PCIe De-Emphasis now visible again  
  - Updated AMI NVRAM module
  - Expanded UARTSerialBus Buffer size 
  - Updated Microcode
  - FW 0D
    * Removed interrupt on SUS_S4 Pin
    * Added debouncing on all power management interrupt pins
    * Corrected bug in CPU notification (Was never resetted to an idle state)
    * Corrections in IRDA notification management
    * Corrected error in Fan RPM measurement (return value was doubled)

2020/01/24 - B68 1.10
  - Updated Microcode
  - Added support to 16Gb RAM single rank
  - Enabled Legacy Serial Redirection
  - Solved issue with fTPM enabling/disabling
  - Critical Temperature threshold corrected
  - Amplifier disabled by default

2019/09/09 - B68 1.08
  - Updated Microcode
  - Updated TXE FW
  - Support to step F1 CPU
  - Added support to "M.2 peripheral" module
  - Added support to "Stereo Amplifier" module
  - Added Infrared support
  - Added support for AMISCE
  - Patch for wrong century bit management
  - Added setup option to reduce reset duration (Affect boot time)
  - PXE Legacy boot
  - Corrected bug in STM init (could prevent PTN module to be loaded in case of embedded controller error)
  - Stm8l Fw_0B
    * Enabled Infrared Support
    * Corrected bug in cpu_wake management (Power button notification didn't work correctly)


2019/04/24 - B68 1.07
  - Patch for wrong century bit management
  - Stm8l Fw_09
    * Corrected bug in PMIC management on boot


2019/01/07 - B68 1.06
  - Added new boot options (SD and eMMC)
  - Support for changing SATA Speed
  - Virtual Com are now managed from setup (For solving Linux HSUART issues with latest kernel)
  - Restore old UEFI BIOS for LAN (Correct slow boot issue and verify error!)
  - Corrected bug in Bootcounter (From G3 counter was increased by 2 units)
  - Corrected bug in ACPI thermal zone for temperatures below 0°
  - Updated TXE
  - Added RTC Wake
  - Corrected bug "USB not working in SuperSpeed Mode"
  - Disallow blank user password
  - User password now allows to access menu in "read only mode" (User boot password always disabled)
  - Correction in 4-wire fan management
  - Bios setup menu optimization
  - Added support to step E0 CPU
  - Updated SDIO drivers
  - Corrected behavior for external 4wire fan management (a wrong pwm frequency was used)
  - Stm8l Fw_08
    * Corrected bug in IAP code that could cause issues during the firmware verify phase 
    * IAP Optimizations: Corrected bug in IAP_Start() for allowing retry when an update end with failure
    * Control on boot from G3 to halt EC until CorePwrOk is high
    * Added second Power button pulse after PMIC poweron or a rail enable, after a power button pressure (board wouldn't start otherwise if chipset is in "always off mode" with CMOS battery inserted)
    * Smbus Register aligned to other flavor
    * Timer period increase to 2ms


2018/05/29 - B68 1.04
  - First Official Release

