Biostar B660GTN User Manual
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BIOS User Guide
B660GTN
BIOS Update ������������������������������������������������������������������������������������� 2
UEFI BIOS Setup �������������������������������������������������������������������������������� 6
EZ Mode ������������������������������������������������������������������������������������������� 7
A�I FAN Control ��������������������������������������������������������������������������������� 8
VIVID LED Control ����������������������������������������������������������������������������� 9
1� Main Menu ����������������������������������������������������������������������������������10
2� Advanced Menu ���������������������������������������������������������������������������11
3� Chipset Menu �������������������������������������������������������������������������������22
4� Boot Menu �����������������������������������������������������������������������������������25
5� Security Menu ������������������������������������������������������������������������������28
6� Tweaker Menu �����������������������������������������������������������������������������31
7� Save & Exit Menu �������������������������������������������������������������������������39

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  • Page 1: Table Of Contents

    BIOS User Guide B660GTN BIOS Update ������������������������������������������������������������������������������������� 2 UEFI BIOS Setup �������������������������������������������������������������������������������� 6 EZ Mode ������������������������������������������������������������������������������������������� 7 A�I FAN Control ��������������������������������������������������������������������������������� 8 VIVID LED Control ����������������������������������������������������������������������������� 9 1� Main Menu ����������������������������������������������������������������������������������10 2� Advanced Menu ���������������������������������������������������������������������������11 3� Chipset Menu �������������������������������������������������������������������������������22 4� Boot Menu �����������������������������������������������������������������������������������25 5�...
  • Page 2: Bios Update

    The BIOS can be updated using either of the following utilities: •  BIOSTAR BIOS-FLASHER: Using this utility, the BIOS can be updated from a file on a hard disk, a USB drive (a flash drive or a USB hard drive), or a CD-ROM.
  • Page 3 B660GTN 7. A dialog pops out after BIOS flash is completed, asking you to restart the system. Press the <Y> key to restart system. 8. While the system boots up and the full screen logo shows up, press <DEL> key to enter BIOS setup.
  • Page 4 Then, the BIOS Update is completed. BIOS Update Utility (through a BIOS file) 1. Installing BIOS Update Utility from the DVD Driver. 2. Download the proper BIOS from http://www.biostar.com.tw/ 3. Launch BIOS Update Utility and click the “Update BIOS” button on the main screen.
  • Page 5 B660GTN 6. After the BIOS Update process is finished, click on “OK” to reboot the system. 7. While the system boots up and the full screen logo shows up, press <DEL> key to enter BIOS setup. After entering the BIOS setup, please go to the <Save & Exit>, using the <Restore Defaults>...
  • Page 6: Uefi Bios Setup

    UEFI BIOS Setup Introduction The purpose of this manual is to describe the settings in the AMI UEFI BIOS Setup program on this motherboard. The Setup program allows users to modify the basic system configuration and save these settings to NVRAM. UEFI BIOS determines what a computer can do without accessing programs from a disk.
  • Page 7: Ez Mode

    B660GTN EZ Mode In EZ mode, it allows you to quickly operate the basic system setting. Press <F7> to display the EZ Mode menu. 1� System Time: Display thd system clock. 2� Boot Priority Bar: you can move the device icons to change the boot priority.
  • Page 8: A�I Fan Control

    A�I FAN Control Press <F5> to display the A.I FAN Control menu. 1� CPU FAN/ CPU OPT/ System1: Click button to set the status value of CPU and system fan. 2� PWM/ Temperature Panel: According to the fan PWM value corresponding to CPU and system temperature to adjust the fan speed.
  • Page 9: Vivid Led Control

    B660GTN VIVID LED Control Press <F6> to display the VIVID LED DJ Control menu. 1. LED SPARKLE: Allows to you choose sparkle of the LEDs. •  Permanent: LEDs are constantly lit. •  Breath: LEDs gradually flash on and off. •  Shine: LEDs flash at a specific frequency.
  • Page 10: 1� Main Menu

    1� Main Menu Once you enter AMI UEFI BIOS Setup Utility, the Main Menu will appear on the screen providing an overview of the basic system information. BIOS Information It shows system information including UEFI BIOS version, Project Code, Model Name, Build Date and etc.
  • Page 11: 2� Advanced Menu

    B660GTN 2� Advanced Menu The Advanced Menu allows you to configure the settings of CPU, Super I/O, Power Management, and other system devices. Note   » Beware of that setting inappropriate values in items of this menu may cause system to malfunction.
  • Page 12 WWAN Configuration WWAN Device This item enables or disables M.2 WWAN Device. Options: Disabled (Default) / Enabled Note   » The following items appear only when you set the WWAN Device function to [4G-7360/7560 / 5G-M80]. WWAN Reset Workaround This item enabling this workardound will result in BIOS asserting FULL_CARD_POWER_OFF# WWAN signals before the WWAN Device Power-On Sequence is executed.
  • Page 13 B660GTN CPU Configuration This item shows CPU Information Overclocking Lock This item enables or disables Overclocking Lock (BIT 20) in FLEX_RATIO(194) MSR. Options: Disabled (Default) / Enabled Hardware Prefetcher This item allows you to turn on / off the MLC streamer prefetcher.
  • Page 14 Trusted Computing Security Device Support This item enables or disables BIOS support for security device. O.S will not show Security Device. TCG EFI protocol and INT1A interface will not be available. Options: Enabled (Default) / Disabled SHA256 PCR Bank This item enables or disables SHA256 PCR Bank. Options: Enabled (Default) / Disabled Pending operation This item schedule an operation for the security device.
  • Page 15 B660GTN ACPI Settings Enable ACPI Auto Configuration This item enables or disables BIOS ACPI auto configuration function. Options: Disabled (Default) / Enabled Enable Hibernation This item enables or disables system ability to Hibernate (0S/S4 sleep state). This option may not be effective with some 0Ss.
  • Page 16 Wake system with Fixed Time This item enables or disables the system to wake on by alarm event. When this item is enabled, the system will wake on the hr::min::sec specified. Options: Disabled (Default) / Enabled Wake up date You can choose which date the system will boot up. Wake up hour / Wake up minute / Wake up second You can choose the system boot up time, input hour, minute and second to specify.
  • Page 17 B660GTN Serial Port Configuration Serial Port This item enables or disables serial Port. Options: Enabled (Default) / Disabled Change Settings This item allows you to select an optimal settings for Super IO Device. Options: Auto (Default) / IO=3F8h; IRQ=4 / IO=3F8h; IRQ=3,4,5,6,7,9,10,11,12 / IO=2F8h;...
  • Page 18 Shutdown Temperature This item allows you to set up the CPU shutdown Temperature. Options: Disabled (Default) / 70°C/158°F / 75°C/167°F / 80°C/176°F / 85°C/185°F / 90°C/194°F USB Configuration Legacy USB Support The item allows you to enable Legacy USB support. AUTO option disables legacy support if no USB devices are connected.
  • Page 19 B660GTN Device power-up delay Maximum time the device will take before it properly reports itself to the Host Controller. “Auto” uses default value: for a Root port it is 100ms, for a Hub port the delay is taken from Hub descriptor.
  • Page 20 IPv4 HTTP Support This item enables or disables IPv4 HTTP Boot Support. If disabled IPV4 HTTP boot support will not be available. Options: Disabled (Default) / Enabled IPv6 PXE Support This item enables or disables IPv6 PXE Boot Support. If disabled IPv6 PXE boot support will not be available.
  • Page 21 B660GTN Offboard PCIe SATA Controller 2. Advanced Menu | 21...
  • Page 22: 3� Chipset Menu

    3� Chipset Menu This section describes configuring the PCI bus system. PCI, or Personal Computer Interconnect, is a system which allows I/O devices to operate at speeds nearing the speed of the CPU itself uses when communicating with its own special components. Note  ...
  • Page 23 B660GTN Primary Display This item selects which of IGFX/ PEG/ PCI Graphics device should be Primary Display or select SG for Switchable Gfx. Options: Auto (Default) / IGFX / PEG / PCI GTT Size This item select the GTT Size.
  • Page 24 PCH-IO Configuration Onboard Device Onboard LAN1 This item enables or disables Onbaord LAN1. Options: Enabled (Default) / Disabled 24 | 3. Chipset Menu...
  • Page 25: 4� Boot Menu

    B660GTN 4� Boot Menu This menu allows you to setup the system boot options. Setup Prompt Timeout This item sets number of seconds to wait for setup activation key. 65535(0xFFFF) means indefinite waiting. Options: 1 (Default) Bootup NumLock State This item selects the keyboard NumLock state.
  • Page 26 Fast Boot This item allows you to enables or disables boot with initialization of a minimal set of devices required to launch active boot option. Has no effect for BBS boot options. Options: Disabled (Default) / Enabled Note   » The following items appear only when you set the Fast Boot function to [Enabled] SATA Support If Last Boot HDD Only, Only last boot HDD device will be available in Post.
  • Page 27 B660GTN CSM Support This option enables or disables CSM support. Options: Enabled (Default) / Disabled Note   » The following items appear only when you set the CSM Support function to [Enabled] Network This option controls the execution of UEFI and Legacy PXE OpROM.
  • Page 28: 5� Security Menu

    5� Security Menu Administrator Password This item sets Administrator Password. User Password This item sets User Password. Secure Boot Menu 28 | 5. Security Menu...
  • Page 29 B660GTN Secure Boot Secure Boot feature is active if secure boot is Enabled, when Platform Key(PK) is enrolled and the System is in User mode. The mode change requires platform reset. Options: Disabled (Default) / Enabled Secure Boot Mode Secure Boot mode options: Standard or Custom mode. In Custom mode, Secure Boot Policy variables can be configured by a physically present user without full authentication.
  • Page 30 Platform Key (PK) Options: Details / Export / Update / Delete Key Exchange Keys Options: Details / Export / Update / Append / Delete Authorized Signatures Options: Details / Export / Update / Append / Delete Forbidden Signatures Options: Details / Export / Update / Append / Delete Authorized Timestamps Options: Update / Append OsRecovery Signatures...
  • Page 31: 6� Tweaker Menu

    B660GTN 6� Tweaker Menu This submenu allows you to change voltage and clock of various devices. Note   » We suggest you use the default setting. Changing the voltage and clock improperly may damage the device.   » The options and default settings might be different by RAM or CPU models.
  • Page 32 Memory Configuration Realtime Memory Timing This item enables or disables realtime memory timings. When enabled, the system will allow performing realtime memory timing changes after MRC_DONE. Options: Disabled (Default) / Enabled This item allows you to select CAS Latency, 0: AUTO, max: 36 Options: Auto (Default) tRCD/tRP This item allows you to select RAS to CAS delay time and Row Prechrge delay time, 0: AUTO,...
  • Page 33 B660GTN tRRD_L This item allows you to select Min Row Active to Row Active Delay Time, Same Bank Group, 0: AUTO, max: 31 Options: Auto (Default) tRRD_S This item allows you to select Min Row Active to Row Active Delay Time, Different Bank Group,...
  • Page 34 Voltage Configuration BCLK Aware Adaptive Voltage This item enables or disables BCLK Aware Adaptive Voltage. When enabled, pcode will be aware of the BCLK frequency when calculating the CPU V/F curves. This is ideal for BCLK OC to avoid high voltage overrides.
  • Page 35 B660GTN CPU Power Management Intel(R) SpeedStep(tm) This item allows more than two frequency ranges to be supported. Options: Enabled (Default) / Disabled Power Limit 1 Override This item enables or disables Power Limit 1 Override. If this option is disabled,BIOS will program the default values for Power Limit 1 and Power Limit 1 Time Window.
  • Page 36 C states This item enables or disables CPU Power Management. Allows CPU to go to C states when it’s not 100% utilized. Options: Enabled (Default) / Disabled Enhanced C-states This item enables or disables C1E. When enabled, CPU will switch to minimum speed when all cores enter C-State.
  • Page 37 B660GTN GT Power Management RC6(Render Standby) This item enables or disables Render Standby. Options: Enabled (Default) / Disabled Maximum GT frequency This item maximum GT frequency limited by te user. Value beyond the range will be clipped to min/max supported by SKU.
  • Page 38 Memory Insight DDR4 Profile These items display memory information. 38 | 6. Tweaker Menu...
  • Page 39: 7� Save & Exit Menu

    B660GTN 7� Save & Exit Menu This menu allows you to load the optimal default settings, and save or discard the changes to the BIOS items. Discard Changes and Exit Abandon all changes made during the current session and exit setup.

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