Pio to dma windows vista

Jefferies , Feb 14, Log in or Sign up. I recently bought a new DVD burner to replace my old Sony one that died - I installed it in my laptop yesterday.

The old drive was not functioning for a few days. And I'm using Windows Vista. I've already uninstalled the drive, the IDE controller in a number of combinations, nothing changes. Does anyone have any idea why I cannot change it to DMA? I've read a number of Microsoft articles on why Windows changes the mode to PIO but unfortunately there are no fixes for Vista. Thanks for any help. Charles P. Have you tried changing the new DVD burner to the master or is already it set as the master? Great that you were able to fix your slow optical drives with the guide.

I experienced a similar which made me write that guide, happy that it helps others as well. It has taken 4 hours for my burn so far… i looked at the device manager and it IS in dma mode… now what? Save my name, email, and website in this browser for the next time I comment.

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Create your own SDelete shortcut for secure file deletion. Previous Post: « What is skypePM. Comments Seoman said on March 15, at pm. Liamm said on July 1, at pm. Seth said on August 19, at pm. Johnathan said on November 17, at am. If the driver continues to receive time-out or CRC errors, the driver eventually reduces the transfer mode to the slowest mode PIO mode..

DMA mode allows the processor to transfer large pieces of data with very little software overhead - therefore requiring low CPU utilization. In this mode, high speed burning can be performed in background with other programs running. Double-click Administrative Tools, and then click Computer Management. Speed is defined in in terms of X, like 48X. In case of PIO, the data cache is increased to maintain the speed in case of any delays caused by the CPU performance.

Furthermore, devices from Vista era support DMA by default. It is recommended to ask for the device manufacturer support for help. What is the difference between the two modes? If you are not sure whether your system supports UDMA or not, please contact your device retailers or technical support department.