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DMA

Finally, we need to check your DMA. "Ooohh, no you're not ! Only my husband or my Doctor checks my "D", "M" . . whatever . . ." No, no, it's OK, DMA stands for ""Direct Memory Access" transfer mode OR as we say in the computer field, it's a really, fast way to move stuff.

Many PC's today are using UDMA or Ultra Direct Memory Access transfer mode, or as we like to call it, a really super-duper fast way to move stuff as opposed to the PIO mode. The PIO or Programmed I/O mode, is a technique whereby the system CPU and support hardware directly control the transfer of data between the system and the hard disk since shortly after the beginning of PC's up until the mid-1990's. So we want DMA (fast) more than we want PIO (slow).

Let's check your Drive's transfer mode. It should be DMA-4, not PIO. Windows XP downgrades the Ultra DMA transfer mode after receiving six CRC errors and drops it down to the much slower PIO mode.

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 your burner is connected and select Properties. Now click the Advanced Settings tab.
4. In the Current Transfer Mode drop-down box, select DMA if available if the current setting says, "PIO Only."
If the drop-down box already says, "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".


OPTION:

Right-click the burner and select "Uninstall" and then "OK" to all prompts until the PC reboots. Upon rebooting, the PC should "find" your burner and reinstall it, setting it by default to DMA.

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