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Thunder K8SRE (S2891)
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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
2007/08/24 S2891_v203 v2.03

TYAN Thunder K8SRE (S2891) BIOS V2.03
New features and Fixes :
* Added AMD Errata 169
* Updated support for Ex stepping CPU's
* Added PCIe and embedded VGA option so that if there is a PCI-E VGA card present you can
   still choose to boot from embedded VGA.
* Updated 'version and serial number' DMI strings
* Fixed a compability issue with nVidia Geforce 7950 Gx2 PCIE VGA cards during POST
* Updated AMD PowerNOW! support
* Fixed a compatilbity issue with QSI DVD-ROM drives not showing up during POST
* Upgrade to latest NVMM & NVRAID
* Fixed a memory detection issue


2006/03/17 s2891_202 v2.02
TYAN Thunder K8SRE (S2891) V2.02
New features and Fixes :
* Updated nVidia SATA RAID firmware to v5.53.07
* Memory clock adjustment is possible now to fix the cmos checksum issue
* Memory clock auto-downgrade has been optimizied to fit all the 2G modules
* Setting timing to 2T and disable bank interleave when 4 Rank dimm present
* Fixed an issue where the LAN's would not show up during a cold boot
* WHQL PCI complaincy test pass by update the ACPI MCFG table
* 40/80 pin detection added, now 40 pin cable will be limited at UDMA mode 2
* Add rf IPMI Boot option support (*Boot to PXE support and Boot to BIOS support)
* Updated 8254 IO interrupt override setting in MPtable
* BIOS will perform ADT intialization whether BMC is present or not
* Fixed the BCM LAN yellow mark issue by upgrating IOAPIC bar address to match new cpu feats
* Add unreported IO into motherboard resource when BMC present for WHQL testing
* Using Tcae as the auto fan control input
* Added nVidia nForce RAID 5 support

2005/09/28 s2891_201 v2.01
TYAN Thunder K8SRE (S2891) V2.01
New features and Fixes :
* Changed Chassis Intrussion default to [Enabled]
* Added IOMMU options to the BIOS
* Updated Opteron Dual Core Support for 280 speed CPU's
* Fixed issue with Aopen DVD ROM's not detecting properly
* Fixed a SATA/PATA detection issue by updating the nVidia firmware to v5.053.03
* Added AMD errata 131 fixes
* Added support for M2081 riser cards

2005/06/07 s2891_101 v1.01
TYAN Thunder K8SRE (S2891) V1.01
New features and Fixes :
* Added PowerNow! option in setup
* Added Tyan System Monitor Support
* Set boot menu pop up hot key as F9
* Updated NVRAID Option ROM
* Updated nVidia PXE Option ROM
* Added "IOMMU" setup option
* Updated dual core CPU support
* Added Hardware monitoring features in setup
* Corrected Last-State power function
* Fixed some PCI-X device Option ROM's that do not scan or initialize correctly

2005/04/14 s2891_100 v1.00
TYAN Thunder K8SRE (S2891) V1.00
New features and Fixes :
* This is the first release BIOS