Insydeh20 Setup Utility Rev 35 Advanced Options Verified

Do not touch this unless you have liquid metal and a prayer.

This guide explains the Advanced Options section of the InsydeH2O Setup Utility (Rev 35). It assumes typical InsydeH2O layout and common firmware behaviors in Rev 35; exact item names or availability may vary by vendor/model. Steps are concise and prescriptive.

Important: Changing firmware settings can prevent boot or make hardware unstable. Only change settings you understand; note original values before modifying. insydeh20 setup utility rev 35 advanced options verified

This menu controls how your processor behaves.

  • Intel Virtualization Technology (VT-x)
  • VT-d (Directed I/O)
  • C-States (C1E, C6, C7, C10)
  • Turbo Boost Power Max (Watts)

    • | Option Name | Verified Settings | Use Case | |-------------|------------------|-----------| | DVMT Pre-Allocated | 32M, 64M, 128M, 256M | Fixed VRAM allocation for iGPU. Setting to 256M helps games/OpenCL workloads. | | DVMT Total Gfx Mem | MAX, 256M, 512M | Dynamic memory limit. "MAX" allows up to 50% of system RAM. | | Aperture Size | 128M, 256M, 512M | GPU address space. Leave at 256M unless debugging memory mapping errors. | | Primary Display | IGFX / PEG / PCIE / Auto | Force iGPU or dGPU. Auto works in 99% of cases. | Do not touch this unless you have liquid metal and a prayer

    | Option Name | Verified Settings | Note | |-------------|------------------|------| | SATA Mode Selection | AHCI / Intel RST Premium | RST required for Optane. AHCI for Linux or non-RAID. | | Software Guard Extensions (SGX) | Enabled / Disabled / Software Controlled | Intel SGX. "Software Controlled" allows OS to enable. Known to cause sleep/wake issues on some OEM builds. | | Thunderbolt Security | No Security / User Authorization / Secure Connect | User Authorization is the default for hot-plug safety. No Security enables TB3 DMA attacks. | | Wake on LAN from S5 | Disabled / Boot to LAN / Ignore Wake | Verified option in Rev 35: "Ignore Wake" prevents WoL from fully booting (only wakes to UEFI). |

    Since hitting F2 or Del won’t show the Advanced tab, use the EFI Shell method (no BIOS flashing required): Intel Virtualization Technology (VT-x)

    I will not share specific offsets here because they vary wildly. A value that enables the menu on a Dell might brick an HP. Use a tool like UEFI Tool to extract your setup.bin first.

    This is the core of your search. Below is a verified breakdown of every major sub-menu found in InsydeH20 Setup Utility Rev 35 Advanced Options.