Maximum system protection and convenience for enthusiasts

April 15th, 2016, Taipei, Taiwan – 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.

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DUAL PROTECTION with Two BIOS Chips

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.

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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.

ATTENTION: 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.

Only in BIOSTAR RACING Series

The Dual BIOS technology can be found in BIOSTAR Racing series motherboards including the BIOSTAR RACING Z170GT7, RACING B150GT5 and RACING H170GT3. See the following list for specifications:

BIOSTAR RACING Z170GT7

Model RACING Z170GT7
CPU LGA 1151Processor
Power 9phase
Chipset Z170
Solid cap 100% Solid
Memory 4xDIMM, support DDR4-3200
Expansion Slot 4 x PCI-E x16 3.0

3 x PCI-E x1 3.0

1 x M.2 32Gb/s(42/60/80mm)

Audio 7.1ch Blu-ray Audio w/ Double Hi-Fi
LAN Intel i219V
Storage 3 x SATA Express 16Gb/s
Video DVI-D, 2 x HDMI, VGA
USB 3.1 / 3.0 / 2.0 1USB 3.1 (TYPE C )

7USB3.0 (2+5)

4USB 2.0 (4+0)

Feature Vivid LED DJ/ Smart Ear/

BIO-Remote2 / BIOS Online Update

BIOSTAR RACING B150GT5

Model RACINGB150GT5
CPU LGA 1151Processor
Power 7phase
Chipset B150
Solid cap 100% Solid
Memory 4xDIMM, support DDR4-2133
Expansion Slot 2 x PCI-E x16 3.0

1 x PCI-E x1 3.0

3 x PCI

Audio 7.1ch Blu-ray Audio w/ Double Hi-Fi
LAN Intel i219V
Storage 4 x SATA 6Gb/s

1 x SATA Express 16Gb/s

Video DVI-D , HDMI, VGA
USB 3.0 / 2.0 6USB3.0 (2+4)

6USB 2.0 (4+2)

Feature Vivid LED DJ/ Smart Ear/BIO-Remote2 / BIOS Online Update

BIOSTAR RACING H170GT3

Model RACING H170GT3
CPU LGA 1151Processor
Power 7phase
Chipset H170
Solid cap 100% Solid
Memory 4xDIMM, support DDR4-2133
Expansion Slot 2 x PCI-E x16 3.0

2 x PCI-E x1 3.0

1 x M.2 32Gb/s (42/60/80mm)

Audio 7.1ch Audio w/ Hi-Fi
LAN Intel i219V
Storage 2x SATA 6Gb/s

1 x SATA Express 16Gb/s

Video DVI-D , 2*HDMI
USB 3.0 / 2.0 8USB3.0 (4+4)

4USB 2.0 (2+2)

Feature Vivid LED DJ/ Smart Ear /

BIO-Remote2 / BIOS Online Update

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