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Vinay Pamnani 2024-01-16 18:25:57 -05:00
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windows/security/hardware-security/how-hardware-based-root-of-trust-helps-protect-windows.md
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@ -2,7 +2,7 @@
title: How System Guard helps protect Windows
description: Learn how System Guard reorganizes the existing Windows system integrity features under one roof.
ms.localizationpriority: medium
ms.date: 10/25/2023
ms.date: 01/16/2024
ms.topic: conceptual
---
@ -78,7 +78,7 @@ This feature is available for the following processors:
|Name|Description|
|--------|-----------|
|64-bit CPU|A 64-bit computer with minimum four cores (logical processors) is required for hypervisor and virtualization-based security (VBS). For more information about Hyper-V, see [Hyper-V on Windows Server 2016](/windows-server/virtualization/hyper-v/hyper-v-on-windows-server) or [Introduction to Hyper-V on Windows 10](/virtualization/hyper-v-on-windows/about/). For more information about hypervisor, see [Hypervisor Specifications](/virtualization/hyper-v-on-windows/reference/tlfs).|
|64-bit CPU|A 64-bit computer with minimum four cores (logical processors) is required for hypervisor and Virtualization-based security (VBS). For more information about Hyper-V, see [Hyper-V on Windows Server 2016](/windows-server/virtualization/hyper-v/hyper-v-on-windows-server) or [Introduction to Hyper-V on Windows 10](/virtualization/hyper-v-on-windows/about/). For more information about hypervisor, see [Hypervisor Specifications](/virtualization/hyper-v-on-windows/reference/tlfs).|
|Trusted Platform Module (TPM) 2.0|Platforms must support a discrete TPM 2.0. Integrated/firmware TPMs aren't supported, except Intel chips that support Platform Trust Technology (PTT), which is a type of integrated hardware TPM that meets the TPM 2.0 spec.|
|Windows DMA Protection|Platforms must meet the Windows DMA Protection Specification (all external DMA ports must be off by default until the OS explicitly powers them).|
|SMM communication buffers| All SMM communication buffers must be implemented in EfiRuntimeServicesData, EfiRuntimeServicesCode, EfiACPIMemoryNVS, or EfiReservedMemoryType memory types. |
@ -94,7 +94,7 @@ This feature is available for the following processors:
|Name|Description|
|--------|-----------|
|64-bit CPU|A 64-bit computer with minimum four cores (logical processors) is required for hypervisor and virtualization-based security (VBS). For more information about Hyper-V, see [Hyper-V on Windows Server 2016](/windows-server/virtualization/hyper-v/hyper-v-on-windows-server) or [Introduction to Hyper-V on Windows 10](/virtualization/hyper-v-on-windows/about/). For more information about hypervisor, see [Hypervisor Specifications](/virtualization/hyper-v-on-windows/reference/tlfs).|
|64-bit CPU|A 64-bit computer with minimum four cores (logical processors) is required for hypervisor and Virtualization-based security (VBS). For more information about Hyper-V, see [Hyper-V on Windows Server 2016](/windows-server/virtualization/hyper-v/hyper-v-on-windows-server) or [Introduction to Hyper-V on Windows 10](/virtualization/hyper-v-on-windows/about/). For more information about hypervisor, see [Hypervisor Specifications](/virtualization/hyper-v-on-windows/reference/tlfs).|
|Trusted Platform Module (TPM) 2.0|Platforms must support a discrete TPM 2.0 OR Microsoft Pluton TPM.|
|Windows DMA Protection|Platforms must meet the Windows DMA Protection Specification (all external DMA ports must be off by default until the OS explicitly powers them).|
|SMM communication buffers| All SMM communication buffers must be implemented in EfiRuntimeServicesData, EfiRuntimeServicesCode, EfiACPIMemoryNVS, or EfiReservedMemoryType memory types. |