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E7270 BIOS settings


Hervé

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Last update: 06 February 2023

 

Here are BIOS settings that are known to work on the Latitude E7270 (6th gen Skylake CPU with Intel HD520 graphics) under High Sierra, Mojave, Catalina, Big Sur, Monterey and Ventura beta. These settings were tested and verified with BIOS 1.28.3, 1.29.4, 1.30, 1.31.3, 1.32.4, 1.33.3, 1.34.3, 1.35.3 and 1.36.3.

 

General
. Boot Sequence:

     * Boot List Option = UEFI (-> Boot Sequence list will be set accordingly)

. Adanced Boot Options:

     * Enable Legacy Option ROMs = On or Off

     * Enable Attempt Legacy Boot = On or Off if Enable Legacy Option ROMs is enabled

System Configuration

. Integrated NIC = Enabled

. Parallel Port = Disabled

. Serial Port = COM1
. SATA Operation = AHCI
. Drives:

     * SATA-1/-2 = On

     * M.2 PCie SSD-0 = On

. SMART Reporting:

     * Enable SMART Reporting = On or Off

. USB Configuration:

     * Enable USB Boot Support = On

     * Enable External USB Port = On

. USB PowerShare:

     * Enable USB PowerShare = On

. Audio:

     * Enable Audio = On

     * Enable Microphone = On

     * Enable Internal Speaker = On

. Keyboard Illumination:

     * Any desired value

. Keyboard Backlight Timeout on AC:

     * Any desired value

. Keyboard Backlight Timeout on Battery:

     * Any desired value

. Touchscreen:

     * Touchscreen = On or Off

. Unobtrusive Mode:

     * Enable Unobtrusive Mode = Off

. Miscellaneous Devices: 

     * Enable Camera = On

     * Enable Secure Digital (SD) card = On

     * Secure Digital (SD) Card Read-Only Mode = Off

Video

. LCD Brightness = Whatever settings you prefer

Security

. Admin Password = not set (or whatever)
. System Password = not set (or whatever)
. Strong Password = Off
. Password Configuration = default settings
. Password Bypass = Disabled or Reboot Bypass

. Password Change: Allow Non-admin Password Changes = on

. Non-Admin Setup Changes = Off

. UEFI Capsule Firmware Updates = On

. TPM 1.2 Security = On or Off
. Computrace(R) = Deactivate

. CPU XD Support = On

. OROM Keyboard Access = Enable

. Admin Setup Lockout = Off

. Master Password Lockout = Off

. SMM Security Mitigation = Off

Secure Boot

. Secure Boot Enable = Disabled

. Expert Key Management:

    * Enable Custom Mode = Off

    * Custom Mode Key Management = PK

Intel Software Guard Extensions

. Intel SGX Enable = Disabled

. Enclave Memory Size = N/A

Performance

. Multi Core Support = Enabled

. Intel SpeedStep = Enabled
. C-States control = On
. Intel TurboBoost = Enabled

. HyperThread Control = Enabled

Power Management

. AC Behavior:

    * Wake on AC = Off

. Auto On Time = Disabled
. USB Wake Support:

     * Enable USB Wake Support = Off (Setting this to On usually causes instant wake on sleep when AC plugged in and Bluetooth issues on wake)

. Wireless Radio Control:

     * Control WLAN radio = Off

     * Control WWAN radio = Off
. Wake on LAN/WLAN = Disabled

. Block Sleep = Off

. Peak Shift = Off

. Dock Support on Battery = On or Off

. Advanced Battery Charge Configuration = Off

. Primary Battery Charge Configuration = Adaptative (or any other choice)

POST Behavior

. Adapter Warnings = Enabled
. Keypad (Embedded) = Fn Key Only

. Mouse/Touchpad = Touchpad/PS-2 Mouse
. Numlock Enable = Enabled
. Fn Key Emulation = Enabled

. Fn Lock Options:

     * Fn Lock = On

    * Lock Mode Disable/Standard = On

. MEBx Hotkey = Enabled

. Fast Boot = Minimal

. Extend BIOS POST Time = 0 seconds (or any other choice)

. MAC address Pass-Through = Passthrough MAC Address

Virtualization Support

. Virtualization = Enabled

. VT for Direct I/O = Off (otherwise use bootloader option dart=0)

. Trusted Execution = Off

Wireless

. Wireless Switch:

     * WWAN = On

     * WLAN/WiGig = On

     * GPS (on WWAN Module) = On

     * Bluetooth = On

. Wireless Device Enable:

     * WWAN/GPS = On

     * WLAN/WiGig = On

     * Bluetooth = On

 

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