Question about Compaq Presario Notebook

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DMA hello sir, Que:-1 I want to use DMA Transfer mode instead of PIO Mode in my system. The problem is that my system is not taking Primary IDE Channel in which current trasfer mode is in Ultra DMA Mode 5. While system is taking Secondary IDE Channel in which current transfer mode is in PIO Mode. Few months ago it was working in Primary IDE channel and Transfer Mode was Ultra DMA Mode 5, But I Don't Know how and when it Switches to Secondary IDE Channel with PIO Mode. Now Please tell me how can i bring my system back in Primary IDE channel with Ultra DMA Mode 5. Operating System:- Microsoft window xp Proeessional. Service Pack - 2.0 BIOS Version : F.15 Device Type:- IDE ATA/ ATAPI Controllers. Company name of laptop:- Compaq Product Name:- Presario C300 Product number:- RE022PA#ACJ

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You can download a software fix for it:
http://winhlp.com/node/10
It's called resetdma.vbs ,download it and then install it.
The site also has some tips if the software doesn't help you.

Posted on May 14, 2009

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Posted on Jan 02, 2017

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Video playback stutters is choppy when the video plays it stops and stutters on a frame. it will play for a few seconds then stutter.


I had a problem similar to this and eventually traced it to the wrong mode setting on the DVD drive's transfer mode.
To check the setting, open Device Manager and then double click on the IDE controllers item. Double click on IDE channel (if there's more than one you'll need to check each one) and then select the Advanced Settings tab. On this tab should be up to two devices and each should show under "Current Transfer Mode" soemthing including the word "DMA".
If any device shows "PIO", then this is probably the problem.
If you Google "PIO versus DMA", one of the top results has a really good article on why this happens and how to force Windows to revert to DMA.

Sep 23, 2009 | Acer Aspire 3000 Notebook

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.

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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

1 Answer

How do you change dma for xp to default


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.

Sep 23, 2009 | Microsoft Windows XP Home Edition

1 Answer

When i put my 8 gb sd memory card into the computer drive it will not pop up. and when i click on the drive it says "could not function because of an i/o error"


  1. Click the Start button
  2. Right click My Computer
  3. Select Manage from the resulting menu
  4. In the Computer Management window, select Device Manager
  5. In the right pane, click to expand IDE ATA/ATAPI controllers
  6. Identify your CD/DVD drive in the expanded menu and right click the appropriate drive
  7. Select Properties
  8. In the Properties windowsmag-glass_10x10.gif, click the Advanced Settings tab
  9. In the Transfer Mode box that represents your CD/DVD drive (typically Device 1); open the dropdown menu and select PIO Only
  10. Click ok and exit all windows
If this does not resolve your issue, then you will need to go back using the above procedure and change the Device 1 in step #9 back to "DMA if available". Then, change Device 0 to "PIO Only" in the Transfer Mode box.
For reference, the Device 0 is the Primary IDE Channel and the Device 1 is the secondary IDE Channel.
After you change your settings, make sure you restart your system so that the computer recognizes the changes you have made. After you reboot, check the settings to make sure they are in effect. If they are, your device should now work properly.

Jun 29, 2009 | SanDisk 8GB microSDHC Memory Card with...

2 Answers

Still needed solution of problem


Go to Control Panel - click on System - Click on Hardware - Click on Device Manager - click on IDE ATA/ATAPI Controller.
Then right click on Primary IDE Chanel - then click on Properties - Then Advance Settings - For the Device 0 in Transfer Mode select DMA if available. Then Click OK.
You can also select DMA for Device 1 too

Feb 09, 2009 | Compaq Presario Notebook

1 Answer

Need Solution of a problem


try this. go to BIOS, from your main page choice sata1 and press enter then press DMA MODE and chanege to UDMA5 press enter F10 save and exit

Feb 07, 2009 | Compaq Presario Notebook

1 Answer

Drive is not accessible. I/O Device Error


Method 1: Change the transfer mode for your CD drive in IDE Channel Properties
1. Click Start, right-click My Computer, and then click Manage.
2. Under Computer Management (Local), click Device Manager.
3. On the right side, expand IDE ATA/ATAPI controllers.
4. Right-click the channel where your CD drive is connected, and then click Properties. Typically, this channel is Secondary IDE Channel.
5. On the Advanced Settings tab, in the Transfer Mode box for the device that represents your CD drive, click PIO Only. Typically, this device is Device 0. Then, click OK.

If the issue is not resolved after you change the transfer mode for the secondary IDE channel device 0, your CD drive may not be located there. Use the same procedure to change the transfer mode back to DMA if available. Then, repeat these steps to change the transfer mode for IDE devices in the following order until the issue is resolved:
• Primary IDE channel, device 1
• Secondary IDE channel, device 1
Note Primary IDE channel, device 0 is connected to your boot disk. This is the hard disk that typically contains your operating system.

OR

Make sure that all cables are connected correctly
If you have another cable, try to use it. For USB devices, try to use another USB port. If it is internal dirve is there then Reseat it that means remove it and reinstal that
Then Set the BIOS as Default for that restart the system and before windows screen it gives the instructions how to boot in setup once you are in setup, on the bottom it says press F9 or F10 to set as default; different BIOS have different options so do the as the on screen instructons says.

OR

Try to access the media or device on another computer; try it on your friend or family computer
if it is not working contact your H/W Vendor

Aug 14, 2008 | Toshiba SD R2312 CD-RW/DVD-ROM (Combo)...

1 Answer

Sony VAIO laptop; DVD-R not reading disks


Check the status of the device in Device Manager to make sure that the device driver is working correctly. (If you need help doing that please ask.)

If no joy then:
Change the transfer mode for your CD drive in IDE Channel Properties loadTOCNode(2, 'resolution'); loadTOCNode(2, 'resolution'); 1. Click Start, right-click My Computer, and then click Manage. 2. Under Computer Management (Local), click Device Manager. 3. On the right side, expand IDE ATA/ATAPI controllers. 4. Right-click the channel where your CD drive is connected, and then click Properties. Typically, this channel is Secondary IDE Channel. 5. On the Advanced Settings tab, in the Transfer Mode box for the device that represents your CD drive, click PIO Only. Typically, this device is Device 0. Then, click OK. If the issue is not resolved after you change the transfer mode for the secondary IDE channel device 0, your CD drive may not be located there. Use the same procedure to change the transfer mode back to DMA if available. Then, repeat these steps to change the transfer mode for IDE devices in the following order until the issue is resolved: • Primary IDE channel, device 1 • Secondary IDE channel, device 1Note Primary IDE channel, device 0 is connected to your boot disk. This is the hard disk that typically contains your operating system.

Jul 05, 2008 | Computers & Internet

1 Answer

My dvd-ram has light but dosen't work and i recieve the message I/0 errore device


Try the following:
1. Click on Start
2. Right click My Computer
3. Select Manage from the resulting menu
4. In the Computer Management window, select Device Manager
5. In the right pane, click to expand IDE ATA/ATAPI controllers
6. Identify your CD/DVD drive in the expanded menu and right click the appropriate drive
7. Select Properties
8. In the Properties windows, click the Advanced Settings tab
9. In the Transfer Mode box that represents your CD/DVD drive (typically Device 1), open the drop down menu and select PIO Only
10. Click OK and exit all windows.

If this does not resolve your issue, then you will need to go back using the above procedure and change the Device 1 in step #9 back to "DMA if available". Then, change Device 0 to "PIO Only" in the Transfer Mode box.

Device 0: Primary IDE Channel
Device 1: Secondary IDE Channel

After you change your settings, make sure you restart your system so that the computer recognizes the changes you have made. After you reboot, check the settings to make sure they are in effect. If they are, your device should now work properly.

Apr 17, 2008 | Computers & Internet

2 Answers

Problem with LITE-ON DVDRW SHW-160P6S ATA Device


There is a whole bunch of helpful stuff at http://www.tomshardware.com/forum/196090-32-lite-dvdrw-160p6s-burning-problems
Seems that the drive may overheat, and will need replacement if in warranty. Some advice given: get another type drive. Also, check the device manager and make sure it's running in DMA mode and not PIO mode. If you have an nForceX mobo and using the SW IDE driver, reinstall with the normal IDE driver and try again. In device manager, check under IDE ATA/ATAPI controllers. Right-click and select properties on the IDE Channel your DVD recorder is attached to. Transfer mode should be set to "DMA if available". Current transfer mode should be "Ultra DMA Mode 4". If it says Mode 2: Your drive may be experiencing problems which are causing windows to drop its speed. There is a support article with a fix. To surmize:

After the Windows IDE/ATAPI Port driver (Atapi.sys) receives a cumulative total of six time-out or cyclical redundancy check (CRC) errors, the driver reduces the communications speed (the transfer mode) from the highest Direct Memory Access (DMA) mode to lower DMA modes in steps. If the driver continues to receive time-out or CRC errors, the driver eventually reduces the transfer mode to the slowest mode (PIO mode).

If you have dropped from DMA mode 4 to DMA mode 2, and you have a spare ribbon cable, you may want to try swapping it out. Also, if there is another device on the same channel as the DVD drive, try disconnecting it.

Mar 12, 2008 | Computers & Internet

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