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BIOSTAR Announces Dual BIOS Feature on Racing Series Motherboards

Maximum system protection and convenience for enthusiasts

BIOSTAR is proud to announce that all BIOSTAR RACING Series motherboards are designed with utmost protection in mind with the new BIOSTAR DUAL BIOS feature. There’s numerous advantage to having multiple BIOS in a motherboard and BIOSTAR has carefully crafted the DUAL BIOS feature to meet the needs of enthusiasts and power users as well as everyday users.


With two physical BIOS chips, BIOSTAR motherboards allow two independent BIOS ROMs to be booted from. This provides a safety feature as well as a convenient tool for overclockers who might encounter system stability issues during system tweaking as well as troubleshooting possible issues caused by corrupted ROMs or a hardware failure. BIOS viruses that may attack the ROM are also mitigated as one can fall back to the secondary BIOS for system recovery. Users may run different versions of BIOS ROMs independently for maximum compatibility.

How to Use Dual BIOS?
To use Dual BIOS, select the desired ROM (ROM1/ROM2) via the onboard switch and power on the system. Be sure to note the active BIOS when you want to flash an update or reflash the existing version.

  1. The Dual BIOS allows you to choose one of the BIOS ROMs (ROM1/ROM2) for booting up.
  2. If you want to flash BIOS ROM, please make sure the Dual BIOS switch is set to the BIOS ROM which you want to update.
  3. The failed BIOS can be updated by using BIOSTAR BIOS Flasher or BIOSTAR BIOS Update Utility.

Note: Do not use the Dual BIOS switch during a BIOS update since it will result to the corruption of BIOS ROMs.

Manual BIOS Switch
BIOSTAR RACING motherboards feature a manual BIOS switch to toggling between ROMs. The decision to go with a manual switch is to limit the possibility of corrupting the secondary BIOS with an automatic design. Other motherboards who utilize a dual-BIOS design utilize an automatic switching method which could potentially cause further issue when a corrupted BIOS or virus is automatically copied over to the backup BIOS. BIOSTAR’s manual switch design for its Dual BIOS implementation limits this issue by allowing each ROM to operate independently of each other.

BIOSTAR Manual BIOS Switch

The Dual BIOS technology can be found in BIOSTAR Racing series motherboards including the BIOSTAR RACING Z170GT7, RACING B150GT5 and RACING H170GT3.

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