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Thread: How does TiVo know ?

  1. #1
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    How does TiVo know ?

    I keep reading that if you open the TiVo case you invalidate the warranty. However suppose I do an internal drive upgrade in an HD, saving the original internal drive unmodified. Then later I swap the original drive back in.

    How would TiVo know anything had been done?
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  2. #2
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    read through your tivo's logs and you'll see your hard drive's model number among other details

  3. #3
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    Quote Originally Posted by jt1134 View Post
    read through your tivo's logs and you'll see your hard drive's model number among other details
    I'm not to the point where I can read the logs, yet. (My TiVo is still "original" at the moment.) If I swap the original drive back in, will the logs still show that another drive was in there at one time? I assume TiVo is able to read these logs(?).
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  4. #4
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    every time your box calls in (ie: every day) logs and other info is uploaded to tivo

  5. #5
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    thanks jt1134

    Guess I''ll just have to be sure I don't have a warranty claim before doing even the simplest mod.
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  6. #6
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    I've never heard of a warranty claim being rejected for past mods, but theoretically, it could happen. This is why the usual advice is to make sure the box works normally before starting on mods.

    Unless you leave obvious physical evidence, the folks who process boxes for warranty returns don't waste the effort in looking up log information.
    Steve

  7. #7
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    Quote Originally Posted by stevel View Post
    I've never heard of a warranty claim being rejected for past mods, but theoretically, it could happen. This is why the usual advice is to make sure the box works normally before starting on mods.

    Unless you leave obvious physical evidence, the folks who process boxes for warranty returns don't waste the effort in looking up log information.
    Thanks. I assume a PROM hack would be "obvious physical evidence", right?
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  8. #8
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    Quote Originally Posted by dlfl View Post
    Thanks. I assume a PROM hack would be "obvious physical evidence", right?
    yep. aside from physical evidence, the tivo often invokes 'getprom' which checks the prom's hash value against the value stored in the prom itself and logs the result. the logging can of course be dealt with a number of ways, but the "obvious physical evidence" is well, obvious.

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