OSCDIMG

Question 1:

"OSCDIMG can create image ISO BOOTABLE for OS to WIN7, WIN8, WIN8.1..., because they have the etfsboot.com boot loader.
But if I want to create an ISO image BOOTABLE from ANY physical CD BOOTABLE (for example a game cd), so I can't use OSCDIMG because this CD game don't use etfsboot.com boot loader. BUT, for any other physical CD or DVD are NOT bootable, I can use OSCDIMG to create. It's NOT other way except OSCDIMG to create image ISO BOOTABLE from the physical CD or DVD in WINDOWS, without the help of third-party software. »

My conclusion above is correct? (YES or NO, please)

Question 2:
I do the following experiment:
I use MICROSOFT OSCDIMG to create an iso image of WIN7 on a physical DVD and I calculate its value of SHA1 with the FCIV Microsoft tool, and I compare it with the values of MSDN ISO SHA1 (speaking on behalf of the same architecture of WIN7). SHA1 values are DIFFERENT.
Therefore, I use a third party software named ULTRAISO, I create an iso image of WIN7 from the physical DVD even and I calculate SHA1 value with the FCIV Microsoft tool and I compare with the values of MSDN ISO SHA1 (speaking on behalf of the same architecture of WIN7). Now, SHA1 values are identical (except the capital with small letters).

WHY MICROSOFT OSCDIMG gives a totally different SHA1 value, while the third-party software (UltraIso) values identical SHA1?

Hello

Thanks for posting your query on the Microsoft Community.

According to the description, I understand that you have a query.

I suggest you post your query on the TechNet forums , because we have experts working on this type of questions and for you help the better.

Check out the link:

https://social.technet.Microsoft.com/forums/Windows/en-us/home?category=w7itpro

Hope this information helps. Please let us know if you need any other help with Windows in the future. We will be happy to help you.

Tags: Windows

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