what is driver irql

Windows NT assigns a priority to each hardware interrupt and a few software events, namely, the interrupt request level (interrupt request level-IRQL ). IRQL provides a synchronization method for activities on a single CPU Based on the following rules: Once a CPU runs on IRQL higher than passive_level, the activity on the CPU can only be preemptible by the ac

Uber what does it mean to have your driver account not activated? Situation 1: If you are in the application then it is possible that your material documents are being audited (or audited); Situation 2: Has taken the list, this may give the system to the number, because your information is not allowed; Sit

to get it started. When a user installs new hardware and is always asked to put in "This hardware driver," many people start to get headaches. You can't find a disk for the driver, you can't find the location of the file, or you don't know what the driver

Prepare to start driver development in the window. First turn an article warm up, preschool. What is DDK and whether the driver must be written in DDK? What is DDK and whether to use DDK to write to favorites?DDK

high quality requirements of the computer will use a stand-alone sound card, independent sound card installed in the motherboard PCI slot. Tutorial Independent sound card appearance What is the sound card driver? The sound card driver is

What is Winpkfilter driver? Winpkfilter driver is called "own door" of "wearing Qiang software" left to the Super "fan Qiang" component, should be "fg710p upgrade to fg711p" when automatically configured, save on the computer and no serious impact, can also be uninstalled,

What is flags in the linux driver? -- Linux general technology-Linux technology and application information. For details, refer to the following section. Linux driver programming has the following section: Unsigned long flags; Save_flags (flags ); Cli (); /* Critical code */ Restore_flags (flags ); The purpos

What is the code execution sequence of the driver and its test program? -- Linux general technology-Linux programming and kernel information. The following is a detailed description. For example, the driver code has a function: Static ssize_t xx_write (struct file * filp, c

What is the problem with installing the .tar.tar driver under fedoracore10? -- Linux general technology-Linux technology and application information. For details, refer to the following section. I encountered a strange problem: unzip, decompress and install, but I found that it cannot be executed. /configure. If the error message

What is the drop-test driver scheme? Details of the rebate for the car purchase offer How do you plan to return your car? How do you calculate the money? Drops for the dual 12 car owners launched the "test driver scheme", in the next year, users to complete a certain number of test drive list will enjoy the rebate su

In Windows 7 systems, when some drivers are installed, or when our hardware does not recognize the need for a reload drive, if the following error message appears: The specified module cannot be found, the XXX.dll file is missing, and so on. This requires us to manually retrieve the system and help drive the installation successfully. Specific methods: What you're looking for may be XX.dll, and we're goin

Document directory Is a block device driver a file system driver (FAL + FMD? Is a block device driver a file system driver (FAL + FMD? FAL, FMD, file system, device, Driver This post

process, the need to install more software, become a lot of n powder (nvidia loyal fans) claimed ATI than Nvidia bad important "evidence", but also because the ATI driver installation failed and then spurned ATI to the NVIDIA. Is it really difficult for ATI drivers to install? You follow the author, let the author Step-by-Step detailed ATI driver installation. B

processors have to look at the drive disk carefully to see if there are any CPU-driven instructions on it. Video-driven installation Multiple versions of the driver are typically included with the drive disk that comes with the video card, but it is always best not to have the latest drivers. Win2000 above operating system friends are best installed through the Microsoft Certified

What about the computer with no sound? How to install the sound card driver? Is there a universal Audio driver installation tutorial? For beginners, "the computer does not sound and how to install the sound card" is a difficult problem, and "Universal Audio

Troubleshooting for motherboard driver Exceptions: 1, the motherboard drive causes the computer to crash the breakdown Friends assembled soon after the computer recently crashes, fault phenomenon is in the operation of some graphics image processing software, whenever the processing finished save the machine will panic, which makes friends feel very annoyed, reinstall the operating system many times after

Method One, use drive life detection to install scanner driver. When your computer needs to connect to a scanner, you can first use the drive life detection scanner to find a matching driver. Drive life with a variety of brand scanner drivers, and also provides universal scanner driver downloads. So regardless of what

1.Q: What is the system clock. What is a clock system. A: Usually referred to as the system clock refers to the clock system, which is the oscillator (signal source), timing wake-up, frequency divider and other components of the circuit. The commonly used signal sources are

The graphics driver is used to drive the video card program, is the hardware corresponding software. Because of the different operating systems, the drivers for the hardware are naturally different. Manufacturers in order to ensure the compatibility of hardware and enhance the function of the hardware will continue to upgrade the

What plug-ins should I install before installing the graphics card driver in linux? -- Linux general technology-Linux technology and application information. For details, refer to the following section. Linux is used for the first time .. The installation of the graphics card driver has not been completed yet .. Ther