![]() ![]() Acpi.sys is transparent to the other drivers in the device tree. Acpi.sys acts as the interface between the operating system and the ACPI BIOS. On hardware platforms that have an ACPI BIOS, the HAL causes Acpi.sys to be loaded during system startup at the base of the device tree. The responsibilities of Acpi.sys include support for power management and Plug and Play (PnP) device enumeration. It makes the 'Unknown device' go away and doesn't interfere with Windows.The Windows ACPI driver, Acpi.sys, is an inbox component of the Windows operating system. I've put together an INF that will install the TPM driver on Windows 8 without actually copying any files or trying to add a system service. So even though the TPM 1.1 driver installed without issue in Windows Vista and Windows 7, the OS would NOT have even used the device! I think I have a solution - a dummy driver. ![]() Here is my issue My computer has decided to have a lot of crashes/freezes. Missing Unidentified Driver - posted in Windows Vista and Windows 7: Hi There, Its been a while since i paid you guys a visit, which is a good thing.right?Means all is well. ![]() Thank you for this information! Upon further reading, apparently Vista and newer only work with TPM 1.2 (plus, a universal 1.2 driver has been included since Vista by Microsoft).ĪCPI NSC1100 device driver for Windows 7, XP, 10, 8, and 8.1. TPM drivers can be installed on Win7, but Windows can't actually use the chip because it is too old. Twistero wrote:The TPM chip in my X41t was TPM ver.1.1, while Windows 7 only works with ver. Perhaps a thread title of 'ThinkPad T43 and a newer TPM driver' would have been better? I've never really used the TPM before, I just don't like having the 'Unknown device' listed. The only issue I've seen so far is the lack of working TPM driver. Lenovo has listed Windows 8 as one of the supported operating systems for the ThinkPad T43, so even then they don't think it's so bad. ![]() The ThinkPad T43 runs Windows 7 amazingly well, but when it comes to Windows 8 (which has the same system requirements as Windows 7), the T43 is suddenly 'elderly'? I'm assuming you've never used Windows 8 on a T43, then it runs GREAT. An updated driver could benefit Windows XP, Vista, and 7. That has nothing to do with Windows 8, really. Lenovo has not released an updated TPM binary newer than from 2005. But IMHO you should forget about loading it on such an elderly machine. Stuff like this belongs in the Windows 8 Forum. RealBlackStuff wrote:This is not a T43 problem. So I've been testing Windows 8 (release version) on the ThinkPad T43. ![]()
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