Search results
Results from the WOW.Com Content Network
On APIC with MSI systems, typically there are 224 interrupts available. [5] The easiest way of viewing this information on Windows is to use Device Manager or System Information (msinfo32.exe). On Linux, IRQ mappings can be viewed by executing cat /proc/interrupts or using the procinfo utility.
On processor architectures on which Windows runs, hardware generates signals that are sent to an interrupt controller. The interrupt controller sends an interrupt request (or IRQ) to the CPU with a certain priority level, and the CPU sets a mask that causes any other interrupts with a lower priority to be put into a pending state, until the CPU ...
The IDT consists of 256 interrupt vectors and the use of the IDT is triggered by three types of events: processor exceptions, hardware interrupts, and software interrupts, which together are referred to as interrupts: Processor exceptions generated by the CPU have fixed mapping to the first up to 32 interrupt vectors. [1]
A hardware interrupt is a condition related to the state of the hardware that may be signaled by an external hardware device, e.g., an interrupt request (IRQ) line on a PC, or detected by devices embedded in processor logic (e.g., the CPU timer in IBM System/370), to communicate that the device needs attention from the operating system (OS) [7] or, if there is no OS, from the bare metal ...
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 ...
A Deferred Procedure Call (DPC) is a Microsoft Windows operating system mechanism which allows high-priority tasks (e.g. an interrupt handler) to defer required but lower-priority tasks for later execution. This permits device drivers and other low-level event consumers to perform the high-priority part of their processing quickly, and schedule ...
Windows 7: Live tiles: Windows File Protection: Sub-system in the operating system, aims to prevent apps from replacing critical Windows system files. Security Windows Me as System File Protection Windows XP: Windows Resource Protection: Windows Journal: Notetaking application that allows for the creation of handwritten notes Accessories
Microsoft has attempted to reduce system instability due to poorly written device drivers by creating a new framework for driver development, called Windows Driver Frameworks (WDF). This includes User-Mode Driver Framework (UMDF) that encourages development of certain types of drivers—primarily those that implement a message-based protocol ...