what can be the reasons that windows XP let the sata hdd work in pio mode instead of dma?

Posted by Karim on Super User See other posts from Super User or by Karim
Published on 2010-03-24T16:32:26Z Indexed on 2010/03/24 16:33 UTC
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windows-xp

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hard-drive

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slow

i have a windows xp system with 2 sata hard drives. WD Raptor 300 & WD Caviar 500. the Mobo is P31 and have udma enabled in the bios. now i have the raptor working as DMA mode while the caviar works as PIO mode. so what can be the possible reasons for that? thansk

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