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DVD drive writing became slow


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4 replies to this topic

#1 JorgeO.555

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Posted 03 October 2010 - 10:09 AM

Hello,

My DVD drive (LG GH20NS10) used to burn a DVD in about 8min (8X media).

Suddenly, it started to take 32min. Same media (TYG02), no hardware changes, no SW change I'm aware of.

Win XP SP3, automatic updates, Intel mobo, C2D 6600.

Thanks for your help!

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#2 hamluis

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Posted 03 October 2010 - 11:44 AM

I would check the DMA settings for the drive.

Louis

#3 MrBruce1959

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Posted 03 October 2010 - 11:55 AM

Hello and welcome to Bleepingcomputer.

What software are you using to burn your DVDs with?

You can go to device manager and see what the settings are for your drive by right clicking the drive in question.

The settings are related to whether your drive is running under UDMA or PIO mode.

It is Okay if both are set to a number above 0 (zero) but the UDMA or DMA should be a higher number then PIO.

For example, DMA can be set to 4 or 5 and PIO set to 0 or 1, but if PIO is set to 4 or 5 and DMA is set to 0 this can cause a slow response from the drive.

You will also notice these settings are also available in your computers BIOS settings for disk drives.

You should make sure the drive has a higher value for DMA (Direct Memory Access) it may also be called UDMA for Ultra Direct Memory Access, then the PIO value. (PIO stands for Programmed Input/Output)

Please read this information on DMA versus PIO mode.

Altough this web site offers a fix, you can make the changes manually in the BIOS setup utility yourself, I have only provided this web page for an explaination about the importance of the UDMA settings.

http://winhlp.com/node/10

Hope this helps.

Bruce.

Edited by MrBruce1959, 03 October 2010 - 12:05 PM.

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#4 JorgeO.555

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Posted 03 October 2010 - 01:12 PM

Thanks, Louis

Thanks, Bruce.

It was the DMA. Bruce's link was most helpful, and DMA was set from PIO to UDMA using the script (the easiest way)

I wasn't aware Windows could reset the driver! Recently I was asked to try to copy an heavily scratched kid's DVD and that must have been the time Windows reset the driver.

BTW, I burn DVDs using Nero 6.

Regards,

Jorge

Edited by JorgeO.555, 03 October 2010 - 01:13 PM.


#5 MrBruce1959

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Posted 03 October 2010 - 01:40 PM

Glad to been a help to you, it took me so long to post mine, I did not even see that Hamluis had also posted to the thread. LOL

Happy computing! :thumbsup:

Bruce.
Welcome to Bleeping Computer! :welcome:
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My Career Involves 37 Years as an Electronics Repair Technician, to Which I am Currently Retired From.

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