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Discussion Starter · #1 ·
Ever since I reset my cmos and loaded optimized defaults along with all my overclocking options I have been getting crappy performance ripping DVDs to my hard drives. In DVD shrink 3.2 I used to get about 6000 - 7000 Kb/s and could go from analysis-decode-burn in about 20-25 minutes depending on the size of the movie/features and what not. Now I get no more than 3500 kb/s and it takes about an hour to go through the whole process on a full lenght movie such as Weddin Crashers.

I noticed in my device manager that my secondary IDE channel is operating on PIO mode even though I have UDMA if available selected. Would there be something in BIOS that I would have to change to enable it to go to UDMA mode? Or am I just going down the wrong path?


Any suggestions would be most appreciated!
 

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Hope this helps.

Check http://support.microsoft.com/default...b;en-us;817472

quote from http://www.michna.com/kb/WxDMA.htm

Quote:


Windows contains a trap in which quite a few computers seem to get caught sooner or later. The trap was described in a Web article whose link no longer works (and also in another one mentioned below):

The crucial paragraphs are:

PIO mode is enabled by default in the following situations:
...
For repeated DMA errors. Windows XP will turn off DMA mode for a device after encountering certain errors during data transfer operations. If more that six DMA transfer timeouts occur, Windows will turn off DMA and use only PIO mode on that device.

In this case, the user cannot turn on DMA for this device. The only option for the user who wants to enable DMA mode is to uninstall and reinstall the device.

Windows XP downgrades the Ultra DMA transfer mode after receiving more than six CRC errors. Whenever possible, the operating system will step down one UDMA mode at a time (from UDMA mode 4 to UDMA mode 3, and so on).

quote from http://dvdxcopy.afterdawn.com/thread_view.cfm/276642

Quote:


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)..

 

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Discussion Starter · #3 ·
THAT makes PERFECT sense! I was getting a whole bunch of CRC errors when I was trying to burn Napolena Dynamite, but the disc was all kinds of F'd up. In which I read that inadequate media will lead to crc errors!

I'm going to continue troubleshooting with your suggestion. Thank you!

EDIT: WOOT i uninstalled and then reinstalled the Secondary IDE channel and im back to blazing fast transfer rates! Up to 8500 - 9000 kb/s
 
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