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TYAN (GT20B3870)
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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
2007/07/31 GT20_B3870_v107 v1.07
TYAN Transport GT20 (B3870) BIOS V1.07
New features and Fixes :
* Update HT1000 SATA Option ROM to v3.0.0015.8
* Added 1TB SATA HD support
* Fixed two RHEL 5.0 64-bit error messages:
  1) MP-BIOS bug: 8254 timer not connected to I/O-APIC
  2) EHCI: BIOS handoff failed
* Fixed an issue where the fan speed was unstable when the auto fan control was enabled in the bios
* Fixed an issue where Solaris 10 would fail to install
* Added M3291 Support for boot to PXE

2007/02/07 gt20_b3870_105 v1.05
TYAN Transport GT20 (B3870)  BIOS V1.05
New features and Fixes :
* Updated LAN IRQ for the Serverworks B1 stepping chipset

2006/09/29 gt20_b3870_104 v1.04

TYAN Transport GT20 (B3870)  BIOS V1.04
New features and Fixes :
* Fixed IPMI Support Enabled/Disabled no function
* Updated AMD PowerNOW! support
* Fixed an issue where only a single SATA HDD will show up during POST when multiple SATA
   HDD's are present
* Added endless boot support
* Update Raid Option ROM to vRC-210-2006044.3
* Added speaker error beep if no DIMMs are present
* Fixed an issue where memtest would fail when using a USB floppy
* Fixed an issue where Fan speed is locked if the fan fails
* Fixed type error of prefixing device type to HDD under BIOS setup
* Set PWM Minimal Duty Cycle default [ 0% Duty Cycle ]
* Fixed system boot from PXE repeatedly once PXE flag is set by IPMI
* Added support for M3291SMDC card

2006/07/05 gt20_b3870_102 v1.02

TYAN Transport GT20 (B3870)  BIOS V1.02
New features and Fixes :
* Fixed a FAN3 & FAN4 can not HOT plug&play
* Added AMD errata #131
* Upgraded the SATA Option ROM to v3.0.0015.3
* Added SATA HDD SSC (Spread Spectrum ) support
* Fixed an issue where a Seagate WD HDD (SAT2) couldn't be recognized
* Fixed an issue where after Windows would crash some HDD's couldn't be detected
* Fix a RedHat4  64-bit issue where it would hang at  "Decompress Linux...done"  "Booting
   the kernel" after  reboot of install program.
* Fixed an issue where the Linux system clock is twice as fast as the motherboards RTC

2006/02/14 gt20_b3870_100 v1.00
TYAN Transport GT20 (B3870) BIOS V1.00
New features and Fixes :
* This is the first release BIOS