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Thunder K8W (S2885)
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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 S2885_v208 v2.08
TYAN Thunder K8W (S2885) BIOS V2.08
New features and Fixes :
* Updated AMD CPU support
* Updated AMD PowerNOW! support
* Updated the Silicon Image SiL3114 Chipset firrmware to v5.0.73
* Added support for 750GB sized SATA HD's
* Added support for detecting SATA RAID Arrays above 2TB in size

2006/09/27 s2885_207 v2.07

TYAN  Thunder K8W (S2885) V2.07
New features and Fixes :
* Add SST 49LF040B bios chip support
* Update Silicon Image Sil3114 option ROM to v5.0.64
* Apply AMD Errata #122 to single dual-core CPU as well as MP configuration
* Correct the memory information display in BIOS, when S/W or H/W memory hole enabled
   with installing 4GB or above memory
* Updated CPU Micro code support
* Updated AMD PowerNOW! support


2006/03/30 s2885_206 v2.06

TYAN  Thunder K8W (S2885) V2.06
New features and Fixes :
* Updated AMD Opteron CPU support
* Open Interrupt for press <Esc> to skip BIOS POST CFG Box display
* Updated AMD PowerNOW! support
* Preserve RTC data when flash BIOS with switch /c
* Add 4GB display problem when HWM hole is enabled
* Added AMD8111 Errata #62
* Fixed ATI  4x ColorGraphicXenteraGT cards CFG problem
* Corrected PCI slots information in DMI
* Limited PCI resource assignment to support more PCI cards  being used simultaneously
* Adjusted CPU Temps display for greater accuracy


2005/06/10 s2885_205 v2.05

TYAN Thunder K8W (S2885) V2.05
New features and Fixes :
* Add Support for Dual Core
* Add AMD PowerNow! Support
* Enable ACPI 2.0 by default
* Update CPU module
* Update NB module
* Update Silicon Image Option ROM to 5049.bin
* Fix the issue with wakeup from S1
* Fix Memory performance issues at cold boot
* Fix performance issues with 3DLAB Wildcat video card test utility

NOTE: IF YOU ARE CURRENTLY RUNNING A SATA RAID CONFIGURATION WITH BIOS VERSION v2.04; YOU WILL NEED TO REINSTALL YOUR O/S AFTER UPDATING TO BIOS v2.05


2005/02/14 s2885_204 v2.04

TYAN  Thunder K8W (S2885) V2.04
New features and Fixes :
* Add Dx stepping CPU support
* Add Ex stepping CPU support
* Correct Voltage display info in HW monitor page.
* Add beep code for no memory error
* Open Floppy drive B setup option.
* Update Silicon Image Oprom to v5.048 to resolve some
* DOS & Linux compatibility issues
* Latest CPU/Chipset Errata updates

Note: This BIOS follows AMD recommendations for DDR bus speed as a function of loading. As a result if you are running CG or older stepping CPU AND more than 6 loads DDR 400 memory the BIOS will automatically set the bus speed to DDR 333 speeds. For more information see the AMD BIOS and Kernel Developer's Guide (PID# 26094) - here


2004/05/19 s2885_202 v2.02
TYAN Thunder K8W (S2885) V2.02
New features and Fixes :
* Updated AMI Core (v8.00.10)
* Added Opteron CPU CG Stepping support
* Added Memory PCI Address Re-Map support
* Updated SiL3114 Option ROM to v5.0.35
* Added MTRR map options
* Added Chassis Intrusion support
* Added MemCLK limit option

2004/02/02 s2885_102 v1.02
TYAN Thunder K8W (S2885) V1.02
New features and Fixes :
* Add DDR400 display support
* Add AMD Errata 86 fix
* Correct CPU Temperature display in BIOS
* Open HT frequency options
* Update CPU module to fix CPU APIC Version error
* Replace IORR w/ MTRR for AGP Aperture memory
* Update Silicon Image Option ROM to v5.0.31

2003/10/02 s2885_101 v1.01
TYAN Thunder K8W (S2885) V1.01
New features and Fixes :
* This is the first release BIOS