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Old 08-31-2012, 11:37 PM   #1
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Has anyone tried to port K4 or K5 firmware to K3?

I'm most interested in KF8 support.
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Old 08-31-2012, 11:41 PM   #2
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Quote:
Originally Posted by apastuszak View Post
I'm most interested in KF8 support.
To answer you question, no, no one has tried to port K4 or K5 fireware to the K3. To tell you the truth, I don't even think it's possible. They just have different hardware. If I'm wrong someone correct me, but I don't think this is possible.
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Old 09-01-2012, 01:43 AM   #3
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@apastuszak - If anyone has, I have not read the announcement here.
@Titano - I suspect you are correct for the entire firmware image, hardware is too different.

Like other brands of computer processors, ARM has gone through various versions.
The K4 and K5 use the version 7 ARM processor (which can execute version 6 ARM instructions).
The K3 uses the version 6 ARM processor. It can not handle the additions made by version 7 changes.

There are internal components that can be used, if they where built (or re-build) for the earlier version ARM processor and do not depend on hardware only available on the K4&k5 (like the graphics co-processor).
But that would be an exceptional case and not what the topic question asked.
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Old 09-01-2012, 07:17 AM   #4
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There is of course the discussion http://www.mobileread.com/forums/sho...d.php?t=174234 that you were party to.

In essence, as was said there, conversion may be the way forward.

I may do something stupid like attempt building a few 4 and 5 bits for a 3 one day but don't hold your breath.

Hope that helps somewhat.

Think "Calibre"... http://www.mobileread.com/forums/arc.../t-175820.html

cheers...
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