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Dual layer discs Missing 0.5 GB

#1 User is offline   bds1958 

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Posted 13 January 2007 - 03:52 AM

Using DVD+R Dual Layer discs which state 8.5GB on the disc.
How come when when I come to burn, Disc Copier reads the disc and states there is only 8GB free space. :)
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#2 User is offline   james_hardin 

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Posted 13 January 2007 - 04:30 AM

The difference between Hex math and Decimal math. Just as your "4.7gb" discs only hold 4.3gb.

Gets even funnier because Double Layer and Dual Layer hold different amounts.
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#3 User is offline   gi7omy 

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Posted 13 January 2007 - 04:32 AM

View Postjames_hardin, on Jan 13 2007, 12:30 PM, said:

The difference between Hex math and Decimal math. Just as your "4.7gb" discs only hold 4.3gb.

Gets even funnier because Double Layer and Dual Layer hold different amounts.



Actually - it's Binary - not Hex (2^10 = 1024) :huh:

There are only 10 types of people in the world - those that understand binary and those who don't :)
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#4 User is offline   james_hardin 

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Posted 13 January 2007 - 08:23 AM

View Postgi7omy, on Jan 13 2007, 07:32 AM, said:

Actually - it's Binary - not Hex (2^10 = 1024) :huh:

There are only 10 types of people in the world - those that understand binary and those who don't :)

Correct you are, thanks for adding your 10 ˘ worth…
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