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DMA IS TURNED OFF - Sonic Computers & Internet

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Http://en.wikipedia.org/wiki/Direct_memory_access

This should help you.

anonymoose

Posted on Oct 11, 2008

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Posted on Jan 02, 2017

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Where is the DMA located in the computer?


The swettings for DMA can be often found in the BIOS

getting into the bios itself varies by computer model but the common method is to press DEL (delete) repeatedly during switch on until it is shown.

Some computers may use other keys eg. F2 etc and quite often it may tell you on the bottom or top of the screen as you power on

the setting itself can often be found under the hard drive settings and may even refer to UDMA.

Some Bios have a single DMA / UDMA setting that you may have to look for in there.

This setting can greatly increase the hard drive and CD ROm access times for your benefit.

Mar 16, 2011 | Acer Aspire™ T180 PC Desktop

Tip

Turn Direct Memory Access (DMA) on or off You must be logged on as an...


Turn Direct Memory Access (DMA) on or off

You must be logged on as an administrator to perform these steps.
is usually turned on by default for devices such as CD or DVD drives that support DMA. However, you might need to turn on DMA manually if the device was improperly installed or if a system error occurred.
  1. Click to open Device Manager. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
  2. Double-click IDE ATA/ATAPI controllers.
  3. Under IDE ATA/ATAPI controllers, for each item that has the word Channel as part of its label, right-click the item, and then click Properties.
  4. Click the Advanced Settings tab. Under Device Properties, select or clear the Enable DMA check box, and then click OK.

on Dec 14, 2010 | Computers & Internet

Tip

If your older PC has lost some zip -- An easy thing to check & fix.


After a while, usually several years, your hard disks wear. As this happens the disks will have errors. Windows keeps track of these errors and if they grow too numerous Widows will take actions designed to reduce the possibility of a catastrophic event. One thing it will do is change the method it uses to access the hard disk. It will change from DMA mode to PIO mode and slow you way down. This tip will restore DMA mode so you can get a little more use out of your aging system. You won't need any disks or special software, but you will have to reboot twice.

In Windows get to Device Manager.

One way to get there is click Start, right click My Computer, select Properties, click Hardware tab, click Device Manager button.

In Device Manager, press the + next to IDE ATA/ATAPI controllers.

It should look something like this:

6e6f735.jpg

Double click Primary IDE Channel. Click the Advanced Settings tab. If there is no Advanced Settings tab then this tip will not help you, but check the other possibilities (Secondary IDE Channel, other controllers) the same way.

eeca68d.jpg

Check to see if the Current Transfer Mode says PIO. PIO stands for Programmed Input Output. It is the slowest mode of disk access. If the Current Transfer Mode is something with DMA (Direct Memory Access), then this tip will not help you as this is the preferred mode.

Check to see if the DMA if available is selected in the Transfer Mode box. If not, select it.

At this point you have determined that you are using PIO mode for one or some of the IDE Controllers and that you have selected DMA in the Transfer Mode. The next thing is to make Windows load the correct DMA driver.

Click the Driver tab.

ea72bd7.jpg

Click the Uninstall button. Click the OK button. Do this for all IDE Controllers that show PIO mode.

Windows will ask if you want to reboot. Let it happen. Windows will reboot, load the DMA drivers, and tell you it has to reboot again. Let it happen.

Now the DMA drivers should have been installed and some of the snap should return to your PC.

Eventually, Windows will revert back to PIO mode. Your disk is wearing out. Get a new one!

on Sep 21, 2010 | Computers & Internet

2 Answers

Looking for hard disk 320GB for my asus matherboard p5gd2-x which HDD sopport this matherboard help!!!!!


pretty much any brand will work. looking at the specs tho get a sata type drive as it appears you have 4 on that motherboard

Storage Controller Type(s) DMA/ATA-100 (Ultra) x 1, Serial ATA x 4
Storage Controller Type(s) DMA/ATA-100 (Ultra) x 1, Serial ATA x 4
Storage Controller Type(s) DMA/ATA-100 (Ultra) x 1, Serial ATA x 4

Dec 02, 2009 | Computers & Internet

1 Answer

I can load software on my disc drive but cannot play DVD even though you're supposed to be able to on my PC (Sony VAIO). What's the problem?


the dma has to be turned on on that drive and you have to have dvd software and check to see if the drive is listed right under systems

Aug 01, 2008 | Sony Computers & Internet

1 Answer

Compaq D510 sff Dma problem


Those might have been your specs but if you have updated windows some of your drivers autamatically change. Try rolling back the drivers or updating them again. The drivers change frequently when windows hot fixes are dowenn loaded your setting that you had and are trying to set it at are the ones when the system was new.

Dec 17, 2007 | Compaq Business d530 (PB185US) PC Desktop

2 Answers

Want to know applications of DMA in real time


Good Morning
IT it a little "brige" to some sound aplications or routing signal to Printers or Sound Cards, but not for Network. Not good sometimes for Sound Cards, but you can play sometimes with settings and see what happend, you always can go back the DMA at previuos state, or simple, disable.
Carl

Nov 17, 2007 | Linare Desktop, AMD Sempron 2200,40 GB HDD...

1 Answer

Audio and video track are not in sync


I guess that your CDROM Device doesn't have DMA (Direct Memory Access) enabled.

From the Microsoft Knowledge Base Article:

To enable DMA mode using the Device Manager

1.

Open Device Manager.

2.

Double-click IDE ATA/ATAPI Controllers to display the list of controllers and channels.

3.

Right-click the icon for the channel to which the device is connected, select Properties, and then click the Advanced Settings tab.

4.

In the Current Transfer Mode drop-down box, select DMA if Available if the current setting is "PIO Only."
If the drop-down box already shows "DMA if Available" but the current transfer mode is PIO, then the user must toggle the settings. That is:

Change the selection from "DMA if available" to PIO only, and click OK.

Then repeat the steps above to change the selection to DMA if Available.

Oct 14, 2007 | Computers & Internet

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