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TBS6985 » History » Version 1

Adam Sutton, 2013-09-12 22:34

1 1 Adam Sutton
h1. TBS6985
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This is a quad S2 tuner that replaces the [[TBS6984]]. [[Adam]] currently uses one of these that was donated by TBS to provide more tuners so he had some available for development without interfering with his live system.
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Unlike the [[TBS6984]] though it does not suffer from the massive concurrency problems that have been discovered with the TBS drivers and are detailed "here":http://tvheadend.wordpress.com/2013/07/11/tbs-6981-debacle/. This is mostly down to the fact that it has 4 completely independent tuners rather than a pair of pairs (the [[TBS6984]] is basically 2x[[TBS6981]]).
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The one issue that is still common on this device is that the default interrupt handling mode can cause the device to stop working after a random period of time. To overcome this you need to enable MSI interrupts (assuming your MB support it, VERY likely).
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Run the following:
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<pre>
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cat > /etc/modprobe.d/tbs.conf <<EOF
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options saa716x_tbs-dvb int_type=1
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EOF
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reboot
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</pre>