HOW TO: recognize SSD model

Discussion in 'Acer Aspire One' started by i-man33, Sep 3, 2008.

  1. i-man33

    i-man33

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    Hello everybody,
    i have read on this site, that aspire one have two type of SSD, one more faster than the other
    http://www.blogeee.net/codex/index.php?title=Acer_Aspire_One
    My question is pretty simple: is it true, and how can i know the model in the one, if possible without open the one?

    thanks in advance for your answers.
     
    i-man33, Sep 3, 2008
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  2. i-man33

    daniel33

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    Yes, there are two types of SSDs that are built into the a110.

    If you are using linux, you can find out which one you have by entering cat /proc/scsi/scsi into any terminal:
    Code:
    [email protected]:~$ cat /proc/scsi/scsi
    Attached devices:
    Host: scsi1 Channel: 00 Id: 00 Lun: 00
      Vendor: ATA      Model: P-SSD1800        Rev: Ver2
      Type:   Direct-Access                    ANSI  SCSI revision: 05
    
    Under model it either states P-SSD1800 (Samsung SSD, the fast one) or SSDPAM0008G1EA (Intel SSD, the slow one).
     
    daniel33, Sep 3, 2008
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  3. i-man33

    hiker_jon

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    Too bad, I have the slow one (bought from Amazon.com a month ago). Does anyone know of a good benchmark so users can post times for the two SSD's?

    Jon
     
    hiker_jon, Sep 4, 2008
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  4. i-man33

    i-man33

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    Thanks for your answer.
    We can perhaps make a list of one which have Samsung SSD and the other.
    Could all the one's owner write their serial number and the SSD model.
    Thanks in advance for all your help
     
    i-man33, Sep 4, 2008
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  5. i-man33

    poro

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    Hallo
    her is the reed and write times
    the farst is
    Samsung SSD (P-SSD 1800): 30-35 MB/sec Read / 13 MB/sec Write
    and whit the slow its
    Intel SSD (SSDPAM0008G1EA): 23 MB/sec Read / 5 MB/sec Write

    now i then start to think, is it that whit the samsung ssd. if i put Xp on my ONE will it then be better then what other haw write about it?
     
    poro, Sep 4, 2008
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  6. i-man33

    daniel33

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    You can get the raw read speed with hdparm -t /dev/hda (run as root).
     
    daniel33, Sep 4, 2008
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  7. i-man33

    rhu

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    My linux AAO has an Intel SSD, but the model is different - SSDPAM0008G1 - (note the EA bit n the end is not present), and using hdparm -t /dev/sda yields a read speed of between 36-38 MB/sec...

    How can I test the write speed?
     
    rhu, Sep 9, 2008
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  8. i-man33

    hardran3

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    Location:
    Swift Current, SK, Canada
    Same here, SSDPAM0008G1 is the SSD Model, read speeds around 38 MB/s. Maybe I am not so sad about my Intel SSD now :)
     
    hardran3, Sep 10, 2008
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  9. i-man33

    sanderdeb

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    You can also check it directly from the BIOS. This comes in handy if you are buying the unit just directly from a shop. Just reboot and press F2 and check your HDD Model. Mine shows P-SSD1800. :D
     
    sanderdeb, Oct 28, 2008
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  10. i-man33

    psilo357

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    I also have the SSD without 'EA' at the end, however, whenever i try to run the hdparm command, it tells me command not found, any idea what package it is in?? I may have uninstalled it during the lightening of the system I did by removing lots of packages that i found unnecessary.

    thanks
     
    psilo357, Dec 30, 2008
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  11. i-man33

    badmuddahumpa

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    It's its own package.

    sudo yum install hdparm

    I also have the SSDPAMM0008G1 model. According to the datasheet

    http://download.intel.com/design/flash/ ... 319955.pdf

    Performance
    — Sustained Sequential Read Bandwidth:
    38 MB/s
    — Sustained Sequential Write Bandwidth:
    10 MB/s
     
    badmuddahumpa, Dec 30, 2008
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  12. i-man33

    UnforgiveN

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    My hdparm results:
    /dev/sda:
    Timing buffered disk reads: 112 MB in 3.03 seconds = 37.00 MB/sec

    But I can't seem to find how to test the write speed... Any suggestions?
     
    UnforgiveN, Jan 1, 2009
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  13. i-man33

    Tamis

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    [[email protected] user]# hdparm -t /dev/hda
    /dev/hda: No such file or directory


    Any ideas why ??
     
    Tamis, Jan 27, 2009
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  14. i-man33

    Humph3

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    I think there was a typo on the original post. Try changing hda to sda.
     
    Humph3, Mar 1, 2009
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  15. i-man33

    lifeflayer

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    I thought the SSD used PATA instead of SATA connectors. Shouldn't HDA be correct?
     
    lifeflayer, May 19, 2009
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