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    T400S Window 7 Install question

    Discussion in 'Lenovo' started by dwjlee, Nov 9, 2009.

  1. dwjlee

    dwjlee Notebook Consultant

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    After doing a clean install, my local disk properties has the following info.
    Used Space: 14.2GB
    Free Space: 104GB
    Total Space: 119GB

    I have the 128GB SSD.
    Why is my total space 119GB? What happened to 9GB? I got rid of the recovery partition. Appreciate your help!
     
    dwjlee, Nov 9, 2009
    #1
  2. cassiohui

    cassiohui Notebook Evangelist

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    128*1000^3/1024^3=119
     
    cassiohui, Nov 9, 2009
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  3. dwjlee

    dwjlee Notebook Consultant

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    Sorry...
    Can you explain to me what "128*1000^3/1024^3=119" means?
    So, 119GB total is normal.
     
    dwjlee, Nov 9, 2009
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  4. jimbob83

    jimbob83 Notebook Evangelist

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    Drive manufacturers usually quote the capacity of a drive using 1GB = 1,000,000,000 bytes but to your computer a gigabyte is actually 2^30 or 1024^3 bytes = 1,073,741,824 bytes.
     
    jimbob83, Nov 9, 2009
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  5. antskip

    antskip Notebook Deity

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    OCZ advertizes its SSD's in the form 120GB(128); 60GB(64)
    OCZ explains on its web site:
    "Consumers may see a discrepancy between reported capacity and actual capacity; the storage industry standard is to display capacity in decimal. However, the operating system usually calculates capacity in binary format, causing traditional HDD and SSD to show a lower capacity in Windows. In the case of SSDs, some of the capacity is reserved for formatting and redundancy for wear leveling. These reserved areas on an SSD may occupy up to 5% of the drive’s storage capacity...the naming convention reflects this and the 60 is equivalent to the 64GB and 120 is equivalent to 128GB".
    http://www.ocztechnology.com/products/solid_state_drives/ocz_vertex_ex_series_sata_ii_2_5-ssd
     
    antskip, Nov 9, 2009
    #5