Pci express controller driver

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Technical Support. Taiwan Headquarters. China Contact. USA Contact. Sales Contacts. International Distributors. Public Relations. General Inquiries. In general, the responsibilities for device drivers are as follows:.

Bus drivers : Bus drivers are responsible for enumerating, configuring, and controlling devices. Device driver : The specific driver for the device is responsible for saving and restoring device context, and requesting power state changes as the policy owner for the device.

When the device driver receives a POWER IRP requesting a lower device power state change, the device driver is responsible for saving any proprietary device context needed to later turn on the device. In some cases, there may be nothing to save. Doing so would cause the system to not work reliably. The device driver's responsibility is to perform only proprietary actions. If you have any questions or suggestions, feel free to leave comments below. It would be very nice of you if you are willing to click the thumb button below.

I'm a technical writer for Driver Easy. Before finding my love for writing tech posts, I had passion for technology goes back much further.

I love tinkering with computers, smartphones, and other tech toys. I write articles to help people solve their problems, whether it's a hardware issue or system error.

I'm inspired when my articles are of help, and that's what I have been aiming for. All I do every day is to write articles that are easy to read, and I do hope you find instructions in my posts easy to follow. To install Driver Easy Click. Sophie Luo Last Updated: 2 weeks ago. What is PCI device driver? If these device drivers fail to work properly, your PC suffers.

How do I fix it? Update PCI device driver via Device Manager The yellow exclamation mark next to certain device problem can usually be fixed with an appropriate and matched device driver.