Biostar B250GTN User Manual
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BIOS User Guide
Z270GTN / B250GTN
BIOS Update ������������������������������������������������������������������������������������� 2
UEFI BIOS Setup �������������������������������������������������������������������������������� 6
1� Main Menu ����������������������������������������������������������������������������������� 7
2� Advanced Menu ���������������������������������������������������������������������������� 8
3� Chipset Menu �������������������������������������������������������������������������������18
4� Boot Menu �����������������������������������������������������������������������������������22
5� Security Menu ������������������������������������������������������������������������������25
6� O�N�E Menu����������������������������������������������������������������������������������28
7� Exit Menu�������������������������������������������������������������������������������������37

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Summary of Contents for Biostar B250GTN

  • Page 1: Table Of Contents

    BIOS User Guide Z270GTN / B250GTN BIOS Update ������������������������������������������������������������������������������������� 2 UEFI BIOS Setup �������������������������������������������������������������������������������� 6 1� Main Menu ����������������������������������������������������������������������������������� 7 2� Advanced Menu ���������������������������������������������������������������������������� 8 3� Chipset Menu �������������������������������������������������������������������������������18 4� Boot Menu �����������������������������������������������������������������������������������22 5� Security Menu ������������������������������������������������������������������������������25 6� O�N�E Menu����������������������������������������������������������������������������������28...
  • 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 Z270GTN / B250GTN 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 Z270GTN / B250GTN 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: 1� Main Menu

    Z270GTN / B250GTN 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 8: 2� Advanced Menu

    2� Advanced Menu The Advanced Menu allows you to configure the settings of CPU, Super I/O, and other system devices. Note   » Beware of that setting inappropriate values in items of this menu may cause system to malfunction. ACPI Settings Enable ACPI Auto Configuration This item enables or disables BIOS ACPI auto configuration function.
  • Page 9 Z270GTN / B250GTN Enable Hibernation This item enables or disables system ability to hibernate (0S/S4 sleep state). This option may not be effective with some 0Ss. Options: Enabled (Default) / Disabled ACPI Sleep State This item selects the highest ACPI sleep state the system will enter when the SUSPEND button is pressed.
  • Page 10 SMART FAN Control CPU Smart FAN1 & System Smart FAN1 This item allows you to control the CPU/System Smart Fan function. Options: Disabled (Default) / Auto Note   » The following items appear only when you set the Smart Fan function to [Auto]. CPU Fan Calibrate Press [ENTER] to calibrate CPU Fan speed.
  • Page 11 Z270GTN / B250GTN IT8613 Super IO Configuration H/W Monitor 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 2. Advanced Menu | 11...
  • Page 12 Network Stack Configuration Network Stack This item enables or disables UEFI Network stack Options: Disabled (Default) / Enabled Note   » The following items appear only when you set the Network Stack function to [Enabled] IPv4 PXE Support This item enables or disables IPv4 PXE Boot Support. If disabled IPv4 PXE boot option will not be created.
  • Page 13 Z270GTN / B250GTN NVMe Configuration The item shows NVMe controller and driver information. Offboard PCIe SATA Controller 2. Advanced Menu | 13...
  • Page 14 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. DISABLE option will keep USB devices available only for EFI applications. Options: Enabled (Default) / Disabled / Auto XHCI Hand-off This is a workaround for OSes without XHCI hand-off support.
  • Page 15 Z270GTN / B250GTN 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 16 Adjacent Cache Line Prefetch This item to turn on / off prefetching of adjacent cache lines. Options: Enabled (Default) / Disabled Intel (VMX) Virtualization Technology The item allows you to enable or disable Intel (VMX) Virtualization Technology, when enabled, a VMM can utilize the additional hardware capabilities provided by Vanderpool Technology.
  • Page 17 Z270GTN / B250GTN SMART Self Test This item runs SMART Self Test on all HDDs during POST. Options: Disabled (Default) / Enabled SATA Hot Plug This item Designates SATA port as Hot Pluggable. Options: Disabled (Default) / Enabled 2. Advanced Menu | 17...
  • Page 18: 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 19 Z270GTN / B250GTN Onboard LAN1 Option ROM This item enables/disables Onboard LAN1 Option ROM. Options: Disabled (Default) / Enabled PCH-IO Configuration PCI Express Configuration HD Audio Control Detection of the HD-Audio device. Disabled = HDA will be unconditionally disabled. Enabled = HDA will be unconditionally enabled. Auto = HDA will be enabled if present, disabled otherwise.
  • Page 20 EuP Control When EuP is enabled, the system will meet EuP requirement. Options: Disabled (Default) / Enabled in S4-S5 System Agent (SA) Configuration Internal Graphics This item keeps IGFX enabled based on the setup options. Options: Auto (Default) / Enabled / Disabled Primary Display This item selects which of IGFX/PEG/PCI Graphics device should be Primary Display or select SG for Switchable Gfx.
  • Page 21 Z270GTN / B250GTN PAVP Enable This item enables or disables PAVP. Options: Enabled (Default) / Disabled Max TOLUD Maximum Value of TOLUD. Dynamic assignment would adjust TOLUD automatically based on largest MMIO length of installed graphic controller. Options: Dynamic (Default) / 1 GB / 1.25 GB / 1.5 GB / 1.75 GB / 2 GB / 2.25 GB / 2.5 GB / 2.75 GB / 3 GB / 3.25 GB / 3.5GB...
  • Page 22: 4� Boot Menu

    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. Options: On (Default) / Off Full Screen Logo Display This item allows you to enable/disable Full Screen Logo Show function.
  • Page 23 Z270GTN / B250GTN Fast Boot This item allows you to enable/disable 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]...
  • Page 24 Network This option controls the execution of UEFI and Legacy PXE OpROM Options: Legacy (Default) / UEFI / Do not launch Storage This option controls the execution of UEFI and Legacy Storage OpROM Options: Legacy (Default) / UEFI /Do not launch Video This option controls the execution of UEFI and Legacy Video OpROM Options: Legacy (Default) / UEFI / Do not launch...
  • Page 25: 5� Security Menu

    Z270GTN / B250GTN 5� Security Menu Administrator Password This item sets Administrator Password. User Password This item sets User Password. Secure Boot Menu 5. Security Menu | 25...
  • Page 26 Attempt Secure Boot Secure Boot activated when Platform Key(PK) is enrolled, System mode is User/Deployed, and CSM function is disabled. Options: Disabled (Default) / Enabled Secure Boot Mode Secure Boot mode selector : Standard/Custom. In Custom mode Secure Boot Variables can be configured without authentication.
  • Page 27 Z270GTN / B250GTN Authorized Signatures Save Key to File – Allows you save key to DB file. Set new Key – Allows you set new DB file. Append Key – Allows you append Var to DB. Erase Key – Allows you erase DB file.
  • Page 28: 6� O�N�E Menu

    6� O�N�E 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 29 Z270GTN / B250GTN Ring Max OC Ratio This sets the maximum overclocking ratio for the Ring Domain. Options: 27 (Default) Ring Min OC Ratio This sets the minimum overclocking ratio for the Ring Domain. Options: 8 (Default) Memory Profile Select DIMM timing profile. The blow values start with the currently running values and don’t auto populate.
  • Page 30 tRCD/tRP This item allows you to select RAS to CAS delay time and Row Prechrge delay time, 0: AUTO, max: 63 Options: Auto (Default) tRAS This item allows you to select RAS Active Time, 0: AUTO, max: 64 Options: Auto (Default) tCWL This item allows you to select Min CAS Write Latency Delay Time, 0: AUTO, max: 20 Options: Auto (Default)
  • Page 31 Z270GTN / B250GTN Advance Memory Timing Dimm ODT Training* Dimm On-Die Termination Training Options: Disabled (Default) / Enabled Read ODT Training* Read On-Die Termination Training Options: Disabled (Default) / Enabled Turn Around Timing Training Turn Around Timing Training Options: Disabled (Default) / Enabled Voltage Configuration 6.
  • Page 32 CPU Load-Line Calibration This item adjust CPU LLC function. Options: Enabled (Default) / Disabled CPU Vcore Over Voltage This item sets CPU Vcore Over Voltage. Options: Auto (Default) / Override / Adaptive Note   » The following items appear only when you set the CPU Vcore Over Voltage to [Override] CPU Vcore Adjust Voltage Options: 1.300V (Default), Range: 1.000V-1.8000V Note...
  • Page 33 Z270GTN / B250GTN CPU Power Management Intel(R) SpeedStep(tm) This item allows more than two frequency ranges to be supported. Options: Enabled (Default) / Disabled C states This item enables or disables CPU power management. Allows CPU to go to C states when it’s not 100% utilized.
  • Page 34 CState Pre-Wake Disable - Sets bit 30 of POWER_CTL MSR(0x1FC) to 1 to disable the Cstate Pre-Wake. Options: Enabled (Default) / Disabled Package C State Limit This item sets Package C State Limit. Options: Auto (Default) / C0/C1 / C2 / C3 / C6 / C7 / C7S / C8 / C9 / C10 / CPU Default CFG Lock This item sets MSR 0xE2[15], CFG lock bit.
  • Page 35 Z270GTN / B250GTN DIMM Profile These items display memory information. Vivid LED Control On/Off This item Vivid LED Control Switch. Options: Enabled (Default) / Disabled Color Wheel This item Vivid LED Color Wheel. Options: Disabled (Default) / Enabled 6. O.N.E Menu | 35...
  • Page 36 Sparkle Mode This item Vivid LED Sparkle Mode. Options: Permanent (Default) / Shine / Breathe This item allows you to adjust the value for RED color model. Options: 0 (Default) GREEN This item allows you to adjust the value for GREEN color model. Options: 0 (Default) BLUE This item allows you to adjust the value for BLUE color model.
  • Page 37: 7� Exit Menu

    Z270GTN / B250GTN 7� 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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