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The included TLER-ON.BAT will set the Read & Write TLER time to seven seconds. It is possible to use the WDTLER.EXE utility directly with the -r# -w# parameters for a custom timeout. Western Digital claims that using the WDTLER.EXE utility on newer drives can damage the firmware and make the disk unusable. The utility is no longer available ...
I/O scheduling usually has to work with hard disk drives that have long access times for requests placed far away from the current position of the disk head (this operation is called a seek).
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 .
In others, the reset signal is delayed so that the watchdog will become enabled at some later time following the reset. This delay allows time for the computer to boot before the watchdog is enabled. Without this delay, the watchdog would timeout and invoke a subsequent reset before the computer can run its application software — the software ...
0x11 02 key Off-On Reset simulates the drain and turn on the ignition with the key. 0x11 03 Soft Reset allows the initialization of certain program units and their storage structures. Again, there are reserved values that can be defined for vehicle manufacturers and vehicle suppliers specific use.
I/O request packets (IRPs) are kernel mode structures that are used by Windows Driver Model (WDM) and Windows NT device drivers to communicate with each other and with the operating system. They are data structures that describe I/O requests, and can be equally well thought of as "I/O request descriptors" or similar.
This technique is common in high-speed device drivers, such as network or disk, where the time lost in returning to the pre-interrupt task is greater than the time until the next required servicing. (Common I/O hardware in use these days relies heavily upon DMA and large data buffers to make up for a relatively poorly-performing interrupt system.
The CPU-bound process will get and hold the CPU. During this time, all the other processes will finish their I/O and will move into the ready queue, waiting for the CPU. While the processes wait in the ready queue, the I/O devices are idle. Eventually, the CPU-bound process finishes its CPU burst and moves to an I/O device.