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Satellite Systems - What to Buy - What to install
TM-5402 HD M3 Mk3 Super+ CI - What's inside the box?
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<blockquote data-quote="archive10" data-source="post: 1000019"><p>Many (if not most) Set-Top Boxes these days are designed with heat dissipation schemes in mind, meaning that the size and form of the cabinet is carefully balanced against the heat generated by internal components. My company spent several weeks debating sizes and shapes with the vendors to achieve the smallest possible box without a fan. If we went for a smaller box, we'd have to put fans inside to control airflow, and the placement, size, and speed of fan was furthermore determined by slots in the enclosure etc.</p><p></p><p>My point is that even though a HDD "should not make much heat", it generally makes a lot of heat compared to the rest of the STB, so just sticking one inside an arbitrary box that was not designed for having one in it may raise the the temperature significantly in the box.</p><p>Some designs are made for mounting additional dishes inside, e.g. the Humax iCord Evolution and 4tune+ is dimensioned so that you can add a HDD in a drawer.</p><p>(They also have suitable fans for operation.)</p><p></p><p>Not having one, I do not know if the TM5402mk3 are suitably over-dimensioned on the ventilation side, or if adding a HDD could be done.</p><p>But just keep in mind that your mileage as a whole will vary!</p></blockquote><p></p>
[QUOTE="archive10, post: 1000019"] Many (if not most) Set-Top Boxes these days are designed with heat dissipation schemes in mind, meaning that the size and form of the cabinet is carefully balanced against the heat generated by internal components. My company spent several weeks debating sizes and shapes with the vendors to achieve the smallest possible box without a fan. If we went for a smaller box, we'd have to put fans inside to control airflow, and the placement, size, and speed of fan was furthermore determined by slots in the enclosure etc. My point is that even though a HDD "should not make much heat", it generally makes a lot of heat compared to the rest of the STB, so just sticking one inside an arbitrary box that was not designed for having one in it may raise the the temperature significantly in the box. Some designs are made for mounting additional dishes inside, e.g. the Humax iCord Evolution and 4tune+ is dimensioned so that you can add a HDD in a drawer. (They also have suitable fans for operation.) Not having one, I do not know if the TM5402mk3 are suitably over-dimensioned on the ventilation side, or if adding a HDD could be done. But just keep in mind that your mileage as a whole will vary! [/QUOTE]
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Satellite TV receivers & systems support forums
Satellite Systems - What to Buy - What to install
TM-5402 HD M3 Mk3 Super+ CI - What's inside the box?
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