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Help me get DVD player in DMA mode

R

RandyHarris

Member
I've no idea why but my Toshiba SD-M1402 DVD player is only in PIO mode.

I'm running WinXP with two harddrives on the primary channel, both in Ultra DMA flavors, on the secondary ide channel I have my SD-M1402 DVD and a LiteOn 24X burner. The LiteOn is operating in DMA mode, but the SD-M1402 is only in PIO. The device is set to DMA if available.

The Drive IS DMA able, I don't understand why its only running in PIO mode.

Please help me get this on DMA as its slow as all get out ripping DVD's on it while its in PIO mode.

THANKS!

Randy
 
Go into the bios at bootup and make sure thechannels are set to dma or auto configuration...Sometimes just cause you set something in windows doesn't mean the board will recognize it that way...
 
How does device manager list the ide controller ...as auto detect..

make sure winxp has it listed as dma if available

also from a performance standpoint you will see no difference..since the cdrom can not transfer data even as fast as pio mode 4...

but with that said UDMA still is better..faster right?? ..and there is the pyschology factor thing too
 
UDMA is definitely faster. You really notice it when ripping DVD's. I used to get over 4X and now I'm at only 1X.

I can't figure this one out, the BIOS only has a default setting of AUTO available, and its on AUTO. The Device manager has the drive set to DMA if Available, but the darned DVD drive is defaulting to PIO.
 
i got this problem too, and my dvd playback is all laggy.
i dunno if the dvd laggniess is the video card or PIO mode though.
 
Not real familiar with your mobo and not sure what chipset it uses, but I can select my PIO/UDMA modes through the Via Bus Master PCI IDE utility proggy that came with my mobo (8KHA+). My DVD Rom (Toshiba SD-M1502) defaults to multiword UDMA mode 2 as does my Lite-On 24102B. If you are using a Via chipset, then I'd take a look into this utility. It sits in my systray, tells me all my IDE info and lets me select which mode I want to run at. Also boosted my Sisoft scores considerably and has some neat cache-enabling options.

Chiz
 
Thanks chizow,

you know, I'm actually installing a new SiS735 mobo/XP1600+ next week - maybe that'll solve my DMA-dvd issues.

Randy
 
I upgraded today to (a very affordable ECS SiS735 motherboard) a new motherboard and AMD XP 1600+ cpu. Installing the new motherboard solved the problem of my DVD only reading in PIO mode. Before when it ripped a DVD it ripped at about 1.2X and made my entire computer crawl when it ran (similar to writting a 1.4meg file to a floppy). Now its running in UDMA on the new Mobo, ripps at a low of around 6X and up over 10X (depending where on the DVD its reading) and doesn't slow down anything else.

Heaven.

Randy
 
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