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05-02-2008
| #1 (permalink) |
| Ultimate x64 | Hard drives - DMA and PIO modes I have recently upgraded to an Asus P5K-E motherboard. It support AHCPI SATA. I'm running Vista x64 on a Samsung HD753LJ 750GB drive. Shortly after installing I checked the Device Manager which showed the drive running in PIO Mode 4. I kept trying to set it back to DMA mode but to no avail. However, using HD Tune 2.55 it says my drive is running in UDMA Mode 8. I never knew it went that high. Any idea which software is telling me the truth? |
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05-02-2008
| #2 (permalink) |
| Dual Boot Windows XP Professional SP3 and Windows Vista Ultimate x64 SP1 | Re: Hard drives - DMA and PIO modes  Quote: Originally Posted by glob  I have recently upgraded to an Asus P5K-E motherboard. It support AHCPI SATA. I'm running Vista x64 on a Samsung HD753LJ 750GB drive. Shortly after installing I checked the Device Manager which showed the drive running in PIO Mode 4. I kept trying to set it back to DMA mode but to no avail. However, using HD Tune 2.55 it says my drive is running in UDMA Mode 8. I never knew it went that high. Any idea which software is telling me the truth? |
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05-02-2008
| #3 (permalink) |
| Ultimate x64 | Re: Hard drives - DMA and PIO modes About 80-85MB/sec |
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05-02-2008
| #4 (permalink) |
| Dual Boot Windows XP Professional SP3 and Windows Vista Ultimate x64 SP1 | Re: Hard drives - DMA and PIO modes Quote: Originally Posted by glob About 80-85MB/sec  |
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05-02-2008
| #5 (permalink) |
| Ultimate x64 | Re: Hard drives - DMA and PIO modes Yeah. Bit weird that Vista can't work it out itself though. |
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05-02-2008
| #6 (permalink) |
| Ultimate x64 | Re: Hard drives - DMA and PIO modes Just found this post. This chap has the exact same symtoms as me. Think it might be the Samsung drive or the chipset that is confusing Vista as that is what we both have in common. AnandTech - Samsung F1 750GB - $125 shipped |
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