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TYAN (GT26B4987)
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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
2008/11/17 GT26-B4987_v300 v3.00

Problem fix Description:

- Updated AMD AGESA code to v3.3.0.0
- Added support for AMD Shanghai CPU's

2008/08/29 v.2.03

Problem Fix Description:


- Update AGESA code to v3.1.9.0

- Fixed an issue where during POST, the system would report an “unknown BIOS error”

- Fixed an issue the ECC mode wasn’t properly being enabled

- Updated the bios to support SATA RAID creation above 2TB in size

- Set "SATA Spread Spectrum" default to Disable as default in bios SETUP

- Modified the SATA2 drive strength default setting

2008/04/18 v2.02

Problem Fix Description:

* Update AMD AGESA code to v3.1.8.0
* Fixed an issue where you got an error message “Error Attaching Device data” under CentOS 5.1
   (32/64-bit), SuSE10.3 (32/64-bit) and VineLinux4.2
* Fixed an issue where SATA 1TB sized HD’s would not show the proper size during POST
* Set bios default system date to bios build date if CMOS power loss or invalid date/time
* Fixed an issue where memory bandwidth performance was lower than expected
* Added bios option to support post KB error [Enable/Disable] in bios setup


2008/01/07 GT26_B4987_v201 v2.01
New features and Fixes :
* Update AGESA code to v3.1.4.0
* Fixed an issue where AMD Quad Core CPU’s did not run at the proper speeds
* Fixed an issue where the LAN would loose frames during operation
* Fixed an issue so the Warning LED is cleared in a S1 state
* Fixed an issue where only 3GB memory is available under XEN in SuSE 10.2 32-bit system when 8GB of memory is installed
* Turn on TYAN LCD function
* Fixed an issue where the Fan tachometer shows "N/A" if tachometer is 5294<RPM>
* Fixed an issue where an Intel Pro 1000-PT(PCI-E dual port) LAN card can’t be detected

2007/09/07 GT26_B4987_v200 v2.00
TYAN Transport GT26 (B4987) BIOS V2.00
New features and Fixes :
* Updated AGESA Code to v3.1.1.0
* Added AMD Quad Core CPU Support
* Fixed an issue where the memory size does not display properly

2007/07/10 gt26_b4987_v102 v1.02
TYAN Transport GT26 (B4987) BIOS V1.02
New features and Fixes :
* Adjusted the PCI Option ROM loading priority
* Add SAS Option ROM Enable and Disable option in Bios Setup
* Fixed an issue where you couldn't load drivers from a USB floppy
* Adjusted CPU Temperature in Hardware Monitor for greater accuracy
* Adjusted the Warning LED to work better with and without the BMC card being present

2007/04/26 gt26_b4987_101 v1.01
TYAN Transport GT26 (B4987) BIOS V1.01
New features and Fixes :
* Added Warning LED support
* Fixed a Hyper Transport sync flood error issue
* Added nVidia SB SATA trap support
* Added 30 seconds tolerance for Watchdog timer

2007/03/23 gt26_b4987_100 v1.00
TYAN Transport GT26 (B4987) BIOS V1.00
New features and Fixes :
* This is the first release BIOS