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TYAN (YR190B8228)
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TYAN makes no warranties to the usability of a BIOS on our website and are made available to the public on an "as-is" basis. Upgrading a BIOS without knowing the implications may cause serious adverse affects. Please do not upgrade a BIOS unless directed to do so by a qualified support technician. TYAN is not able to replace mis-used or damaged BIOS chips in the event of a BIOS flash failure. Please contact your dealer for replacements or warranty service.

Date Filename Version
2013/01/25 YR190-B8228-X2_v108 V1.08


- Update AGESA to for SEOUL processor support.
- Fixed reboot Hang after installing hyper-v in windows server 2008 DataCenter.
- Fixed HT Link speed configuration has no function in OS.
- Hide "ACPI APIC Support" from bios setup menu.
- Hide "AMI OEMB table" from bios setup menu.
- Hide "Headless mode" from bios setup menu.
- Hide "bank interleaving" from bios setup menu.
- Hide "CS Sparing Enable" from bios setup menu.
- Hide "Bank Swizzle Mode" from bios setup menu.
- Hide "Legacy USB1.1 HC support" from bios setup menu.

2012/02/03 YR190-B8228-X2_v106 v1.06

Problem Fix Description:

- Fix Hard Disk Native IDE Mode issue.

2011/12/12 YR190-B8228-X2_v105 v1.05

Problem Fix Description:

- Remove the ID info and add core info in bios setup.
- Fix Front panel USB port not working in server 2008.
- Update AGESA to
- Update SB700 CIM-x module part to version 6.6.0.
- Update RD890 CIM-x module part to version

2011/06/14 YR190-B8228-X2_v104 v1.04

Problem Fix Description:

- Fixed an issue where the temperature for CPU1 wasn’t detected until after the latest BMC firmware is updated and the system power cycled

2011/04/19 YR190-B8228-X2_v102 v1.02

Problem Fix Description:

- Added BIOS Flash Recovery Method

2010/12/13 YR190-B8228-X2_v101 v1.01

Problem Fix Description:

- Fixed a DRAM timing configuration issue
- Fixed some COM2 bios setup settings
- Updated Aspeed AST2059 VGA Option ROM to v.0.90.07
- Fixed a USB Num Lock LED doesn’t illuminate in DOS mode when Bootup Num Lock bios setup option is set to Enabled

2010/08/24 YR190-B8228-X2_v100 v1.00

New features and Fixes :
* This is the first release BIOS.