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The ACPI Component Architecture (ACPICA), mainly written by Intel's engineers, provides an open-source platform-independent reference implementation of the operating system–related ACPI code. [10] The ACPICA code is used by Linux, Haiku , ArcaOS [ 11 ] and FreeBSD , [ 8 ] which supplement it with their operating-system specific code.
The USB4 driver in Windows 11 implements native OS support of USB4, where the connection manager is part of a driver that only works with matching controllers. Older controllers had the connection manager implemented inside their firmware and thus required far less support from the OS.
There is the ability to opt out of APM control on a device-by-device basis, which can be used if a driver wants to communicate directly with a hardware device. Communication occurs both ways; power management events are sent from the BIOS to the APM driver, and the APM driver sends information and requests to the BIOS via function calls.
In Windows, if Secure Boot is enabled, all kernel drivers must be digitally signed; non-WHQL drivers may be refused to load. In February 2013, another Red Hat developer attempted to submit a patch to the Linux kernel that would allow it to parse Microsoft's authenticode signing using a master X.509 key embedded in PE files signed by Microsoft.
The ThinkPad Tablet 2 from front and back. The ThinkPad Tablet 2 is a tablet computer announced in 2012 and released by Lenovo in 2013.. The Tablet 2 is the successor to the original Android-based ThinkPad Tablet, and was one of the launch tablet devices for the touch-oriented Microsoft Windows 8 operating system.
In Windows 8, Windows 8.1 and Windows Server 2012, the controller driver has changed from msahci to storahci, [10] and the procedures to upgrade to the AHCI controller is similar to that of Windows 7. [11] On Windows 8, 8.1 and Windows Server 2012, changing from IDE mode to AHCI mode without first updating the registry will make the boot drive ...
The SLIC is inserted into the ACPI data table and contains no active code. [39] [40] Computer manufacturers that distribute OEM versions of Microsoft Windows and Microsoft application software can use the SLIC to authenticate licensing to the OEM Windows Installation disk and system recovery disc containing Windows software
In 2019 Intel released a new standard based on an all-12V design: ATX12VO. The power supply only provides 12 V voltage output; [ 13 ] 5 V, 3.3 V powers, as needed by USB , hard disk drive and other devices, are transformed on the motherboard ; and the ATX motherboard connector is reduced from 24-pin to 10-pin.