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Message Signaled Interrupts (MSI) are a method of signaling interrupts, using special in-band messages to replace traditional out-of-band signals on dedicated interrupt lines. While message signaled interrupts are more complex to implement in a device, they have some significant advantages over pin-based out-of-band interrupt signalling, such ...
It initializes the graphics card at the computer's boot time. It also implements INT 10h interrupt and VESA BIOS Extensions (VBE) [1] [2] for basic text and videomode output before a specific video driver is loaded.
Interrupt service thread (IST) latencies are under 10 microseconds. Memory management – The deterministic memory pool allocated for RTX / RTX64 is taken from the system non-paged pool memory. For example, under Windows 7, the amount of non-paged pool is: for 32-bit, 1 GB to 2 GB of the random-access memory (RAM) depending on the configuration ...
BIOS interrupt calls perform hardware control or I/O functions requested by a program, return system information to the program, or do both. A key element of the purpose of BIOS calls is abstraction - the BIOS calls perform generally defined functions, and the specific details of how those functions are executed on the particular hardware of the system are encapsulated in the BIOS and hidden ...
Timeout Detection and Recovery or TDR is a feature of the Windows operating system (OS) introduced in Windows Vista. It detects response problems from a graphics card (GPU), and if a timeout occurs, the OS will attempt a card reset to recover a functional and responsive desktop environment .
The first memory location the CPU tries to execute is known as the reset vector. In the case of a hard reboot, the northbridge will direct a code fetch request to the BIOS located on the system flash memory. For a warm boot, the BIOS will be located in the proper place in RAM and the northbridge will direct the reset vector call to the RAM. In ...
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(June 2015) (Learn how and when to remove this message) INT 10h , INT 10H or INT 16 is shorthand for BIOS interrupt call 10 hex , the 17th interrupt vector in an x86 -based computer system. The BIOS typically sets up a real mode interrupt handler at this vector that provides video services.