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Old 01-04-2007, 02:03 AM
Edward
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CD strange behavior

Does Windows cache the contents of the CD drive? Here is the scenario that
prompts this question:
I was trying to compare two CDs to verify that they were identical using MD5
sums.
I am using Microsofts' fciv tool from the command line and running it
against the CD Drive. When I run this on the first CD it takes about 15
seconds to calculate the MD5 sum of the files.
I change CD and execute fciv using the same command line and the results are
returned almost immediately.

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Old 01-04-2007, 02:03 AM
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Old 01-04-2007, 02:04 AM
Bob I
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Re: CD strange behavior

Yes.

Edward wrote:

> Does Windows cache the contents of the CD drive? Here is the scenario that
> prompts this question:
> I was trying to compare two CDs to verify that they were identical using MD5
> sums.
> I am using Microsofts' fciv tool from the command line and running it
> against the CD Drive. When I run this on the first CD it takes about 15
> seconds to calculate the MD5 sum of the files.
> I change CD and execute fciv using the same command line and the results are
> returned almost immediately.
>


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