Burner only reads 4.27 gigs worth of space

Discussion in 'DVDR' started by Uberst, Jun 28, 2005.

  1. Uberst

    Uberst Member

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    I have had a dru-700a for just over a year now and up til now it worked perfectly. I recently reformatted my hard drive, but now my burner can only read 4.27 gigs worth of space on a blank dvd instead of what it read before which was 4.65 gigs worth of space. What could be the problem?
     
    Last edited: Jun 28, 2005
  2. Rotary

    Rotary Senior member

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    hi

    the real amount of data to fit a dvdr is 4.37/38 not 4.7 whats on the label in stores
     
  3. Uberst

    Uberst Member

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    Ok so why was I able to use all of the 4.65 gigs before i reformatted?
     
  4. Rotary

    Rotary Senior member

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    hi

    its an illusion ask anyone here what size files you can actually fit onto a dvdr5!

    there is the maths to it but maths isnt me!

    infact now you reformatted is closer to the truth!
     
  5. Uberst

    Uberst Member

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    Well the thing is I know for sure that i used all of the 4.65 gigs.....
     
  6. jim_dandy

    jim_dandy Active member

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    Rotary is right..there is a math formula goes with this..1000 mb doesnt equal a 1gb.
    math wasnt one of my strong suits.
     
  7. Rotary

    Rotary Senior member

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    The reason for the "4,7 GB" stamp is because they use decimal 10-base notation
    - 1 GB = 1,000 KB = 1,000,000 bytes
    instead of the usual binary 2-base notation (like Windows use)
    - 1 GB = 1,024 KB = 1,048,576 bytes
     
  8. gurnard

    gurnard Regular member

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    @rotary. your right about the size.@Uberst.don't no why it read high before , but it's reading right now. to make it easy the manufactuers or whoever decided to count 1 mb as 1000= 4.7gig the real count is 1mb 1024= 4.38 gig on your disc. hope this helps:)...goddam it i'm going to have to learn to type faster. by the time i answer the post every one has already done it :)
     
    Last edited: Jun 28, 2005
  9. Rotary

    Rotary Senior member

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    Capacities of DVD:
    For reference, a CD-ROM holds about 650 megabytes, which is 0.64 gigabytes or 0.68 billion bytes. In the list below, SS/DS means single-sided/double-sided, SL/DL/ML means single-layer/dual-layer/mixed-layer (mixed means single layer on one side, dual layer on the other side), gig means gigabytes (2^30), BB means billions of bytes (10^9). See note about giga vs. billion in section 7.2.

    DVD-5 (12 cm, SS/SL) 4.37 gig (4.70 BB) of data, over 2 hours of video
    DVD-9 (12 cm, SS/DL) 7.95 gig (8.54 BB), about 4 hours
    DVD-10 (12 cm, DS/SL) 8.74 gig (9.40 BB), about 4.5 hours
    DVD-14 (12 cm, DS/ML) 12.32 gig (13.24 BB), about 6.5 hours
    DVD-18 (12 cm, DS/DL) 15.90 gig (17.08 BB), over 8 hours
    DVD-1 (8 cm, SS/SL) 1.36 gig (1.46 BB), about half an hour
    DVD-2 (8 cm, SS/DL) 2.47 gig (2.66 BB), about 1.3 hours
    DVD-3 (8 cm, DS/SL) 2.72 gig (2.92 BB), about 1.4 hours
    DVD-4 (8 cm, DS/DL) 4.95 gig (5.32 BB), about 2.5 hours
    DVD-R 1.0 (12 cm, SS/SL) 3.68 gig (3.95 BB)
    DVD-R 2.0 (12 cm, SS/SL) 4.37 gig (4.70 BB)
    DVD-R 2.0 (12 cm, DS/SL) 8.75 gig (9.40 BB)
    DVD-RW 2.0 (12 cm, SS/SL) 4.37 gig (4.70 BB)
    DVD-RW 2.0 (12 cm, DS/SL) 8.75 gig (9.40 BB)
    DVD+R 2.0 (12 cm, SS/SL) 4.37 gig (4.70 BB)
    DVD+R 2.0 (12 cm, DS/SL) 8.75 gig (9.40 BB)
    DVD+RW 2.0 (12 cm, SS/SL) 4.37 gig (4.70 BB)
    DVD+RW 2.0 (12 cm, DS/SL) 8.75 gig (9.40 BB)
    DVD-RAM 1.0 (12 cm, SS/SL) 2.40 gig (2.58 BB)
    DVD-RAM 1.0 (12 cm, DS/SL) 4.80 gig (5.16 BB)
    DVD-RAM 2.0 (12 cm, SS/SL) 4.37 gig (4.70 BB)*
    DVD-RAM 2.0 (12 cm, DS/SL) 8.75 gig (9.40 BB)*
    DVD-RAM 2.0 (8 cm, SS/SL) 1.36 gig (1.46 BB)*
    DVD-RAM 2.0 (8 cm, DS/SL) 2.47 gig (2.65 BB)*
    CD-ROM (12 cm, SS/SL, 74 minutes) 0.635 gig (0.682 BB)
    CD-ROM (12 cm, SS/SL, 80 minutes) 0.687 gig (0.737 BB)
    CD-ROM (8 cm, SS/SL) 0.180 gig (0.194 BB)
    DDCD-ROM (12 cm, SS/SL) 1.270 gig (1.364 BB)
    DDCD-ROM (8 cm, SS/SL) 0.360 gig (0.387 BB)
     
  10. Uberst

    Uberst Member

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    ok so shouldn't it read 4.38 instead of 4.27?
     
  11. Rotary

    Rotary Senior member

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    hi

    my drives dont see any size on a blank in my computer but this app shows it

    [​IMG]
     
  12. ScubaBud

    ScubaBud Regular member

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    Yes it should read 4.38.

    [​IMG]
     
  13. jim_dandy

    jim_dandy Active member

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    hey scubabud,long time no see...how's it going?
     
  14. Rotary

    Rotary Senior member

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    hi

    hehehe - i think we all got there in the end, but not sure where the original posster got his info, can you elaoborate abit we may be able to clarify it abit more as 4.27 gigs seems odd?
     
  15. ScubaBud

    ScubaBud Regular member

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    Hey Jim & Rotary :)

    Long time no see as well. I pop in here and there but hardly post anymore. Only when I can irritate someone... <G> Just kidding. Hope all is great with you guys as well.
     
  16. jim_dandy

    jim_dandy Active member

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    I can understand that Ted I have to take a break now and then myself.
    have a good one buddy
    Jim
     
  17. Uberst

    Uberst Member

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    ok for some reason it isn't showing 4.27 anymore....now it shows 4.379. This is weird i don't know how i was able to burn on the whole dvd before..
     
  18. ScubaBud

    ScubaBud Regular member

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    Uberst

    Have you tried different disks, some from way back and others more current to see if they all read the same?
     

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