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Thread: EX58-UD3R udma speed/setup




  1. #1
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    Question EX58-UD3R udma speed/setup

    A 3Gb/s Seagate 1TB drive is showing up as running UDMA-5. Shouldn't it be UDMA-7? (or 6)

    System Info
    EX58-UD3R motherboard
    Seagate Barracuda 7200.12 ST31000528AS 1TB 7200 RPM SATA 3.0Gb/s (no jumper on for limit)
    SATA 3Gb/s cables that came with motherboard
    AHCI enabled in BIOS
    Windows 7 - clean install
    6G memory

    Anyone have any ideas on what to check? Drive access seems slower than I would expect it to be with a 3Gb/s drive.

  2. #2
    Lsdmeasap's Avatar
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    Default Re: EX58-UD3R udma speed/setup

    What program are you seeing this in? And what ports (Color and #) do you have the drive installed to?

    And what BIOS settings per the drive?

    Integrated Peripherals

    Intel Controller (Blue Ports)
    SATA RAID/AHCI Mode (Intel ICH10R Southbridge) ............. ?
    SATA Port0-3 Native Mode ................................... Enabled (or Disabled, both will work)

    Gigabyte/J.Micron Controller (White Ports)
    Onboard SATA/IDE Device (GIGABYTE SATA2 Chip) ............. Enabled
    Onboard SATA/IDE Ctrl Mode (GIGABYTE SATA2 Chip) ........... ?

  3. #3
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    Arrow Re: EX58-UD3R udma speed/setup

    Quote Originally Posted by Lsdmeasap View Post
    What program are you seeing this in? And what ports (Color and #) do you have the drive installed to?

    And what BIOS settings per the drive?

    Integrated Peripherals

    Intel Controller (Blue Ports)
    SATA RAID/AHCI Mode (Intel ICH10R Southbridge) ............. ?
    SATA Port0-3 Native Mode ................................... Enabled (or Disabled, both will work)

    Gigabyte/J.Micron Controller (White Ports)
    Onboard SATA/IDE Device (GIGABYTE SATA2 Chip) ............. Enabled
    Onboard SATA/IDE Ctrl Mode (GIGABYTE SATA2 Chip) ........... ?
    Sorry, am very tired from working on this machine, forgot to include important stuff.

    I'm using the Intel ports (blue port 0).
    SATA Southbridge: AHCI
    Port0-3 Native Mode: Enabled
    Onboard SATA: Enabled/AHCI

    HD Tune is reporting a max transfer rate of about 120MB/sec, which is less than half of the theoretical 300MB/sec that SATA 3Gb/sec is supposed to be capable of.

    Here is the HD Tune test page & info page:
    http://www.pchotshots.com/bmettee/HDTune Report Test Results.png
    http://www.pchotshots.com/bmettee/HDTune Report Info.png

    Even though the website doesn't list the ICH10 INF files for Windows 7, I did load them from the DVD. I'm now getting UDMA 7 as being Active, but it's still showing the drive as only being UDMA 6. I also enabled the AHCI driver in the registry.

    Is this a driver problem or a drive problem? (or some combination thereof)

    Thanks

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: EX58-UD3R udma speed/setup

    UMDA Mode 6 is normal for SATAII, I can post you a screenshot of a disk in my system if you would like?

    120MB/s is normal for a single drive as well, you will not get anywhere near 300MB/s without RAID

    Actually, here ya go. This is my 500GB storage drive ST3500320A, it is on the Gigabyte controller in IDE Mode though, and badly fragged up, so likely a little bit slower than being on the Intel one. But this shows you what you are seeing is perfectly normal


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    Default Re: EX58-UD3R udma speed/setup

    Thanks for the info. I guess with a rating of 3Gb/s, I'm kinda surprised that the transfer rate is no better than an SATA 1.5Gb/s drive. I hate repeatedly beating my head against a wall then finding out a problem isn't really a problem at all.

    Now I need to transfer my partners old Win2k setup into a VM so she has access to all the original developer programs.

    Sigh: IT work is never done

  6. #6
    Lsdmeasap's Avatar
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    Default Re: EX58-UD3R udma speed/setup

    That only means it is possible internally to pass data at that speed, like from disk to disk in a large RAID or something you would get about 600MB/s then it would top out.

    When one single disk is used you do not get anywhere near that of course.

    I hear ya, I do work for clients all week long! Virus removal is the worst, especially when they want all things to remain as they are and it is the third time you have worked on their PC!

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