Windows 7 | Acpi Msft0101 DriverThis is a specific and advanced request. The ACPI MSFT0101 device corresponds to the chip, typically found on systems with Intel's Platform Trust Technology (PTT) or AMD's fTPM. Device (TPM) [TPM2_Inst.NT] CopyFiles=tpm2.DriverFiles Acpi Msft0101 Driver Windows 7 Windows 7 does not natively support TPM 2.0. Microsoft officially restricted TPM 2.0 to Windows 8/8.1 and 10/11. Therefore, the "driver" you seek is not a standard Microsoft-signed driver for Windows 7, but rather a community-developed or backported solution. [Version] Signature="$WINDOWS NT$" Class=SecurityAccelerator ClassGuid=d94ee5d8-d189-4994-83d2-f68d7d41b0e6 Provider=%Msft% DriverVer=06/21/2016,10.0.10586.212 [Manufacturer] %Msft%=Standard,NTamd64 This is a specific and advanced request Below is a deep, research-level paper on the subject, structured for academic or advanced technical understanding. 1. Abstract & Historical Context The ACPI Hardware ID MSFT0101 identifies a TPM 2.0 device compliant with the Microsoft TPM 2.0 specification. Windows 7’s native TPM driver stack ( tpm.sys , tpmbase.sys ) only supports TPM 1.2 (using MSFT0101 would be unrecognized). As of January 2020, Microsoft ended support for Windows 7, and no official TPM 2.0 driver was released. This paper explores the architectural barriers, reverse-engineering efforts, and the practical workaround of porting Windows 8.1’s TPM 2.0 driver to Windows 7. 2. ACPI & Hardware Identification When a UEFI-based motherboard has TPM 2.0 enabled (Intel PTT or AMD fTPM), the system firmware reports a device in the DSDT (Differentiated System Description Table) with: [Standard.NTamd64] %TPM2.DeviceDesc%=TPM2_Inst, ACPI\MSFT0101 Microsoft officially restricted TPM 2 Name (_HID, "MSFT0101") // Hardware ID Name (_CID, "MSFT0101") // Compatible ID Name (_UID, One) Method (_STA, 0, NotSerialized) Return (0x0F) // Memory and IRQ resources [SourceDisksFiles] tpm.sys=1 tpmbase.sys=1 [TPM2_Inst.NT.Services] AddService = tpm, 0x00000002, tpm_Service_Inst AddService = TPMBase, 0x00000002, tpmbase_Service_Inst Add: |