Shulou(Shulou.com)06/01 Report--

This article focuses on "how to directly enable or disable memory access DMA", interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "how to enable or disable DMA access to memory directly".

Direct memory access (DMA):

Technology that supports the direct transmission of information between certain devices, such as hard drives and CD or DVD drives, and computer memory (without the use of a computer processor). DMA improves device performance and frees computer processors to perform other tasks.

So how to enable or disable direct memory access (DMA):

1. Note: you must be logged in as an administrator to perform these steps. For devices that support DMA, such as hard drives and CD or DVD drives, direct memory access (DMA) is usually enabled by default. However, if the device is not installed correctly or a system error occurs, you may need to manually enable DMA.

two。 Enable Explorer.

3. In the left pane, click the plus sign next to IDE ATA/ATAPI Controller to expand it.

4. For each icon that contains a Channel word in the label, right-click the icon, and then click Properties.

5. Click the Advanced Settings tab, and then under device Properties, select or clear the enable DMA check box.

6. "OK". Got it!

At this point, I believe you have a deeper understanding of "how to directly access memory to enable or disable DMA". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.