Skip to Main Content
PC Hardware in a Nutshell, 3rd Edition
book

PC Hardware in a Nutshell, 3rd Edition

by Robert Bruce Thompson, Barbara Fritchman Thompson
July 2003
Beginner to intermediate content levelBeginner to intermediate
874 pages
38h 13m
English
O'Reilly Media, Inc.
Content preview from PC Hardware in a Nutshell, 3rd Edition

Enabling DMA mode transfers with Windows 2000 or Windows XP

To enable DMA under Windows 2000 or Windows XP, take the following steps:

  1. Right-click the My Computer icon on the desktop and choose Properties to display System Properties.

  2. Click the Hardware tab and then the Device Manager button to display the Device Manager.

  3. Locate and expand the IDE ATA/ATAPI controllers item. On a standard system with both ATA controllers enabled, there should be three items listed, sorted alphabetically. One item describes the ATA controller itself (e.g., Intel(r) 82801BA Bus Master IDE Controller or VIA Bus Master PCI IDE Controller) and may be disregarded. The other two items should be Primary IDE Channel and Secondary IDE Channel.

  4. Right-click the channel to which the device you want to enable DMA for is connected, choose Properties, and then click the Advanced Settings tab to display the dialog shown in Figure 14-4.

    Windows XP showing this hard drive is using UDMA-5 (ATA-100) Transfer Mode

    Figure 14-4. Windows XP showing this hard drive is using UDMA-5 (ATA-100) Transfer Mode

  5. This dialog displays the Device Type and Current Transfer Mode for Device 0 (Master) and Device 1 (Slave) on the selected ATA channel. The Current Transfer Mode field shows the transfer mode currently in use, and may be changed as follows:

    DMA Mode x or Ultra DMA Mode x

    Windows is using the indicated MDA or UDMA mode, which is the fastest mode supported by the interface, cable, and device. For example, ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Computer Busses

Computer Busses

William Buchanan
Hacker Techniques, Tools, and Incident Handling

Hacker Techniques, Tools, and Incident Handling

Sean-Philip Oriyano, Michael Gregg

Publisher Resources

ISBN: 059600513XErrata Page