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Thread: ultra dma mode




  1. #1
    Joe-912's Avatar
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    Default ultra dma mode

    Hi does anyone know if an ssd should be running in ultra dma mode 6, my 2 western digital HDDs run in ultra dma 6 but my ssd seems to be running in ultra dma 5, I'm getting the info from HDtune and Aida64, It reports ultra dma mode 6 available but using ultra dma 5, Bios reports ultra dma mode 6.
    any ideas please
    Thanks foks
    joe912
    Asus Maximus 7 Hero > Corsair Obsidian 750d Airflow > Intel 4790K > Noctua NH-D15 > 16GB G-skill Sniper 2133 > Samsung SM951 256GB > Sandisk X400 512GB > Western digital black Sata 6 500GB > Western digital black 640GB > Windows 10 Pro 64 > Asus 27" MX279H Monitor > Gibabyte GTX 980Ti extreme

  2. #2
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    Default Re: ultra dma mode

    Hopefully you're actually not using your SSD or HDDs in UDMA 5 or UDMA 6 configuration, which would mean 80 pin IDE ribbon cables and SATA to IDE adapters for your drives and board, and running at 100 or 133MB/s maximum.

    I'm joking and not, the UDMA standards are for PATA (ATA) drives, although all modern drives, including SSDs, contain information defining the UDMA level they support. SATA protocol does not use UDMA type data transfers, but the ATA command set legacy causes the need for UDMA support that is still used in SATA.

    I doubt that your EVO has its metadata set to UDMA 5, new SSDs are at UDMA 8 (SATA 3.0) or 9 (SATA 3.1), but support all levels below that are still used.

    This is rather confusing, and the bottom line is the UDMA levels for the drives you see in those programs and BIOS does not matter regarding their performance.

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    Default Re: ultra dma mode

    Ok thanks for that, just thought it rather odd the meta data reporting that, what drew me to this in the first place was the fact that my Imaging backup speed has gone west, What used to take 9mins now takes 50mins It has used up too much of my brain...
    I will get to the bottom of it but at the cost of a few more brain cells, Just one question please is it ok to flash back to old firmware on my Z77 extreme 6 MB. i'm on latest 2.8, Iwas thinking to go back to 2.6?
    Thanks for your time
    joe-912
    Asus Maximus 7 Hero > Corsair Obsidian 750d Airflow > Intel 4790K > Noctua NH-D15 > 16GB G-skill Sniper 2133 > Samsung SM951 256GB > Sandisk X400 512GB > Western digital black Sata 6 500GB > Western digital black 640GB > Windows 10 Pro 64 > Asus 27" MX279H Monitor > Gibabyte GTX 980Ti extreme

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    Default Re: ultra dma mode

    How full are your back up drives, I assume one of the HDDs? If it is past half full, it will be slowing down on its write speed as it's using the inner tracks of the platters, which are slower than the outer tracks.

    You should be able to flash to 2.60 from 2.80, but I would only use the Instant Flash method. Then again, it looks like version 2.70 includes this: 4. Update ME version.

    That small statement should be referring to the Intel ME firmware, which worries me. 2.60 does nothing with the IME firmware, so it may work fine with the different IME firmware. I mention this due to the issues the Intel six series chipset boards (P67, Z68) can have when their BIOS update to support Ivy Bridge processors updates the IME firmware. I'm not seeing the (barely there) warnings the six series chipset boards have, but IMO that guarantees nothing.

    Why do you want to change to 2.60?

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    Default Re: ultra dma mode

    Quote Originally Posted by parsec View Post
    How full are your back up drives, I assume one of the HDDs? If it is past half full, it will be slowing down on its write speed as it's using the inner tracks of the platters, which are slower than the outer tracks.

    You should be able to flash to 2.60 from 2.80, but I would only use the Instant Flash method. Then again, it looks like version 2.70 includes this: 4. Update ME version.

    That small statement should be referring to the Intel ME firmware, which worries me. 2.60 does nothing with the IME firmware, so it may work fine with the different IME firmware. I mention this due to the issues the Intel six series chipset boards (P67, Z68) can have when their BIOS update to support Ivy Bridge processors updates the IME firmware. I'm not seeing the (barely there) warnings the six series chipset boards have, but IMO that guarantees nothing.

    Why do you want to change to 2.60?
    The backup drive is almost empty now as I exported the Images off reformatted the drive so it's got ony 15GB used on 500GB sata 3 WD Black, the reason I wanted to flash back to 2.60 because that's the only other thing I done after the first fast backup, but I am a bit worried about the Intel ME firmware bit, the ssd is 6 months old and apart from backing it up it's lightening quick in all other aspects, one weird thing is when I start the Acronis backup, C: drive in explorer reduces in size by 20GB for some unknown reason, I tried another backup program from AOMEI and that size reduction does not happen, I've reinstalled Acronis with no change....
    I'm out of options, I have thought of formatting the ssd?
    Thnaks for the info
    joe-912
    Asus Maximus 7 Hero > Corsair Obsidian 750d Airflow > Intel 4790K > Noctua NH-D15 > 16GB G-skill Sniper 2133 > Samsung SM951 256GB > Sandisk X400 512GB > Western digital black Sata 6 500GB > Western digital black 640GB > Windows 10 Pro 64 > Asus 27" MX279H Monitor > Gibabyte GTX 980Ti extreme

  6. #6
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    Default Re: ultra dma mode

    I doubt the BIOS version is causing the slowdown of your backups. But when you flash any BIOS, all the settings are set to default values.

    What are you using as the SATA mode in the BIOS? Also, your board has two SATA controllers, the main Intel and the secondary ASMedia. Do you use both, and what drives are connected to which SATA ports?

    From there we could determine what SATA driver(s) you are using.

    I doubt your SSD is the problem, at least without confirming its configuration and health. Do you use the Samsung Magician software? That will provide all kinds of information about the SSD's health and performance. Have you run a benchmark on the SSD to confirm its performance?

    IF you format a SSD, ONLY do a quick format, a full HDD type format, writing data to the entire drive, is the worst thing you can do to a SSD.

    IMO, you have many options left to explore.

    The Acronis sofware might use 20GB of space on the C drive as its temporary working area.

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    Default Re: ultra dma mode

    Hi thanks for helping
    My Drives are connected
    Sata 3_0 Samsung ssd 840 evo 250GB
    Sata 3_1 none connected
    Sata 2_2 DVD drive
    Sata 2_3 DVD ram drive
    Sata 2_4 none connected
    Sata 2_5 none connected
    Sata A3_A1 WD500 3AZEX
    Sata A3 A2 WD6401AALS

    Bios screen
    Intel sata mode selection AHCI
    Asmedia Sata3 Mode AHCI
    Advanced\Storage configuration\Sata 3_0
    Ultra DMA :6
    Sata device type Solid state drive
    ultra dma mode-smartdata-png

    Benchmarks I will upload next post
    Thanks very much
    joe-912
    Asus Maximus 7 Hero > Corsair Obsidian 750d Airflow > Intel 4790K > Noctua NH-D15 > 16GB G-skill Sniper 2133 > Samsung SM951 256GB > Sandisk X400 512GB > Western digital black Sata 6 500GB > Western digital black 640GB > Windows 10 Pro 64 > Asus 27" MX279H Monitor > Gibabyte GTX 980Ti extreme

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    Default Re: ultra dma mode

    ultra dma mode-benchmarkssd-png
    Asus Maximus 7 Hero > Corsair Obsidian 750d Airflow > Intel 4790K > Noctua NH-D15 > 16GB G-skill Sniper 2133 > Samsung SM951 256GB > Sandisk X400 512GB > Western digital black Sata 6 500GB > Western digital black 640GB > Windows 10 Pro 64 > Asus 27" MX279H Monitor > Gibabyte GTX 980Ti extreme

  9. #9
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    Default Re: ultra dma mode

    Your EVO looks fine IMO. When doing backups the EVO is just reading data that is sent to the backup drive.

    You should be able to run the same benchmark on your HDDs, it will take much longer and will give you an idea how well they perform.

    The extra SATA chips like the ASMedia can be less than reliable, try putting one of the HDDs on the Intel SATA II ports. You won't be losing any speed instead of using an ASMedia SATA III port with a HDD.

    When doing a backup, you could start the Windows Resource Monitor (Control Panel, Admin Tools, Resource Monitor) and see what each disk is doing.

  10. #10
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    Default Re: ultra dma mode

    Here's the WD500 results, I will try switching it to Sata 2 Intel port and post back later, Thanks for the help!
    ultra dma mode-wd500sata3-png
    Asus Maximus 7 Hero > Corsair Obsidian 750d Airflow > Intel 4790K > Noctua NH-D15 > 16GB G-skill Sniper 2133 > Samsung SM951 256GB > Sandisk X400 512GB > Western digital black Sata 6 500GB > Western digital black 640GB > Windows 10 Pro 64 > Asus 27" MX279H Monitor > Gibabyte GTX 980Ti extreme

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