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MSI is not supported in earlier versions like Windows XP or Windows Server 2003. [15] Solaris Express 6/05 released in 2005 added support for MSI an MSI-X as part of their new device driver interface (DDI) interrupt framework. [16] FreeBSD 6.3 and 7.0 released in 2008 added support for MSI and MSI-X. [17] OpenBSD 5.0 released in 2011 added ...
Other buttons and switches (e.g., power button, laptop lid switch (received from hall sensor)) [2] Controlling access to the A20 line [ 3 ] Thermal measurement (CPU, GPU, Motherboard) and response including fan control , CPU and GPU throttling , and emergency shutdown in response to rising temperatures
ThinkLight was a keyboard light present on many older ThinkPad families of notebook computers. The series was originally designed by IBM , and then developed and produced by Lenovo since 2005. The ThinkLight has been replaced by a backlight keyboard on later generations of ThinkPads, and Lenovo has discontinued the ThinkLight in 2013.
Advanced Configuration and Power Interface (ACPI) is an open standard that operating systems can use to discover and configure computer hardware components, to perform power management (e.g. putting unused hardware components to sleep), auto configuration (e.g. Plug and Play and hot swapping), and status monitoring.
The switches are then connected to each other by a pair of wires called "travelers" (or "strappers" in the UK), and the lamp is connected to the common terminal of the second switch, as shown. Using the traveler system, there are four possible permutations of switch positions: two with the light on and two with the light off.
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As a result, default mappings are sometimes wrong (i.e., not matching the labels shown on the keyboard) when using a recent USB Apple keyboard on an older version of Mac OS X, which doesn't know about the new function key mapping of this keyboard (e.g., because Mission control and Launchpad didn't exist at that time, the corresponding labels ...
Memory-mapped I/O is preferred in IA-32 and x86-64 based architectures because the instructions that perform port-based I/O are limited to one register: EAX, AX, and AL are the only registers that data can be moved into or out of, and either a byte-sized immediate value in the instruction or a value in register DX determines which port is the source or destination port of the transfer.